<p>Provides any useful information about the protein, mostly biological knowledge.</p><p><a href='../manual/function_section' target='_top'>More...</a></p>Functionⁱ

<p>Describes the catalytic activity of an enzyme, i.e. the chemical reaction it catalyzes. This information usually correlates with the presence of an EC (Enzyme Commission) number in the ‘Names and taxonomy’ section.</p><p><a href='../manual/catalytic_activity' target='_top'>More...</a></p>Catalytic activityⁱ

<p>Provides information relevant to cofactors. A cofactor is any non-protein substance required for a protein to be catalytically active. Some cofactors are inorganic, such as the metal atoms zinc, iron, and copper in various oxidation states. Others, such as most vitamins, are organic.</p><p><a href='../manual/cofactor' target='_top'>More...</a></p>Cofactorⁱ

Sites

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Indicates at which position the protein binds a given metal ion. The nature of the metal is indicated in the ‘Description’ field.</p><p><a href='../manual/metal' target='_top'>More...</a></p>Metal bindingi	387 – 387	1	Zinc; catalyticPROSITE-ProRule annotation <p>Manual validated information which has been generated by the UniProtKB automatic annotation system.</p> <p><a href="/manual/evidences#ECO:0000255">More…</a></p> Manual assertion according to rulesi PROSITE-ProRule:PRU10095
<p>Is used for enzymes and indicates the residues directly involved in catalysis.</p><p><a href='../manual/act_site' target='_top'>More...</a></p>Active sitei	388 – 388	1	Proton acceptorPROSITE-ProRule annotation <p>Manual validated information which has been generated by the UniProtKB automatic annotation system.</p> <p><a href="/manual/evidences#ECO:0000255">More…</a></p> Manual assertion according to rulesi PROSITE-ProRule:PRU10095
<p>Indicates at which position the protein binds a given metal ion. The nature of the metal is indicated in the ‘Description’ field.</p><p><a href='../manual/metal' target='_top'>More...</a></p>Metal bindingi	391 – 391	1	Zinc; catalyticPROSITE-ProRule annotation <p>Manual validated information which has been generated by the UniProtKB automatic annotation system.</p> <p><a href="/manual/evidences#ECO:0000255">More…</a></p> Manual assertion according to rulesi PROSITE-ProRule:PRU10095
<p>Indicates at which position the protein binds a given metal ion. The nature of the metal is indicated in the ‘Description’ field.</p><p><a href='../manual/metal' target='_top'>More...</a></p>Metal bindingi	410 – 410	1	Zinc; catalyticPROSITE-ProRule annotation <p>Manual validated information which has been generated by the UniProtKB automatic annotation system.</p> <p><a href="/manual/evidences#ECO:0000255">More…</a></p> Manual assertion according to rulesi PROSITE-ProRule:PRU10095
<p>Describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections (‘Function’, ‘PTM / Processing’, ‘Pathology and Biotech’) according to its content.</p><p><a href='../manual/site' target='_top'>More...</a></p>Sitei	476 – 476	1	Transition state stabilizerBy similarity

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:</p><p><a href='../manual/gene_ontology' target='_top'>More...</a></p>GO - Molecular functionⁱ

1. aminopeptidase activity Source: UniProtKB-KW
2. metallopeptidase activity Source: UniProtKB-KW
3. zinc ion binding Source: InterPro

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:</p><p><a href='../manual/gene_ontology' target='_top'>More...</a></p>GO - Biological processⁱ

1. angiogenesis Source: UniProtKB-KW
2. cell differentiation Source: UniProtKB-KW

<p>UniProtKB Keywords constitute a <a target="_top" href="/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='../help/keywords' target='_top'>More...</a></p>Keywords - Molecular functionⁱ

<p>UniProtKB Keywords constitute a <a target="_top" href="/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='../help/keywords' target='_top'>More...</a></p>Keywords - Biological processⁱ

<p>UniProtKB Keywords constitute a <a target="_top" href="/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='../help/keywords' target='_top'>More...</a></p>Keywords - Ligandⁱ

Enzyme and pathway databases

Protein family/group databases

<p>Provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.</p><p><a href='../manual/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyⁱ

Organism-specific databases

<p>Provides information on the location and the topology of the mature protein in the cell.</p><p><a href='../manual/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationⁱ

Topology

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.</p><p><a href='../manual/topo_dom' target='_top'>More...</a></p>Topological domaini	2 – 8	7	Cytoplasmic
<p>Describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.</p><p><a href='../manual/transmem' target='_top'>More...</a></p>Transmembranei	9 – 32	24	Helical; Signal-anchor for type II membrane proteinSequence Analysis			Add BLAST
<p>Describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.</p><p><a href='../manual/topo_dom' target='_top'>More...</a></p>Topological domaini	33 – 966	934	Extracellular			Add BLAST

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:</p><p><a href='../manual/gene_ontology' target='_top'>More...</a></p>GO - Cellular componentⁱ

1. endoplasmic reticulum-Golgi intermediate compartment Source: MGI
2. external side of plasma membrane Source: MGI

   <p>Inferred from Direct Assay</p> <p>Used to indicate a direct assay for the function, process or component indicated by the GO term.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ida">GO evidence code guide</a></p> Inferred from direct assayⁱ

   • 21708977

3. extracellular space Source: MGI
4. extracellular vesicular exosome Source: MGI
5. integral component of membrane Source: UniProtKB-KW
6. lysosomal membrane Source: MGI

<p>UniProtKB Keywords constitute a <a target="_top" href="/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='../help/keywords' target='_top'>More...</a></p>Keywords - Cellular componentⁱ

<p>Describes post-translational modifications (PTMs) and/or processing events.</p><p><a href='../manual/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingⁱ

Molecule processing

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Indicates that the initiator methionine is cleaved from the mature protein.</p><p><a href='../manual/init_met' target='_top'>More...</a></p>Initiator methioninei	1 – 1	1	RemovedBy similarity
<p>Describes the extent of a polypeptide chain in the mature protein following processing.</p><p><a href='../manual/chain' target='_top'>More...</a></p>Chaini	2 – 966	965	Aminopeptidase N		PRO_0000095082	Add BLAST

Amino acid modifications

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Specifies the position and type of each covalently attached glycan group (mono-, di- , or polysaccharide).</p><p><a href='../manual/carbohyd' target='_top'>More...</a></p>Glycosylationi	106 – 106	1	N-linked (GlcNAc...)2 Publications <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More…</a></p> Manual assertion based on experiment ini Ref.6 "The mouse C2C12 myoblast cell surface N-linked glycoproteome: identification, glycosite occupancy, and membrane orientation." Gundry R.L., Raginski K., Tarasova Y., Tchernyshyov I., Bausch-Fluck D., Elliott S.T., Boheler K.R., Van Eyk J.E., Wollscheid B. Mol. Cell. Proteomics 8:2555-2569(2009) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-128; ASN-606; ASN-666; ASN-783; ASN-784; ASN-785; ASN-790 AND ASN-817. Ref.7 "Mass-spectrometric identification and relative quantification of N-linked cell surface glycoproteins." Wollscheid B., Bausch-Fluck D., Henderson C., O'Brien R., Bibel M., Schiess R., Aebersold R., Watts J.D. Nat. Biotechnol. 27:378-386(2009) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-114; ASN-332; ASN-606; ASN-783; ASN-784; ASN-785 AND ASN-817.
<p>Specifies the position and type of each covalently attached glycan group (mono-, di- , or polysaccharide).</p><p><a href='../manual/carbohyd' target='_top'>More...</a></p>Glycosylationi	114 – 114	1	N-linked (GlcNAc...)1 Publication <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More…</a></p> Manual assertion based on experiment ini Ref.7 "Mass-spectrometric identification and relative quantification of N-linked cell surface glycoproteins." Wollscheid B., Bausch-Fluck D., Henderson C., O'Brien R., Bibel M., Schiess R., Aebersold R., Watts J.D. Nat. Biotechnol. 27:378-386(2009) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-114; ASN-332; ASN-606; ASN-783; ASN-784; ASN-785 AND ASN-817.
<p>Specifies the position and type of each covalently attached glycan group (mono-, di- , or polysaccharide).</p><p><a href='../manual/carbohyd' target='_top'>More...</a></p>Glycosylationi	128 – 128	1	N-linked (GlcNAc...)1 Publication <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More…</a></p> Manual assertion based on experiment ini Ref.6 "The mouse C2C12 myoblast cell surface N-linked glycoproteome: identification, glycosite occupancy, and membrane orientation." Gundry R.L., Raginski K., Tarasova Y., Tchernyshyov I., Bausch-Fluck D., Elliott S.T., Boheler K.R., Van Eyk J.E., Wollscheid B. Mol. Cell. Proteomics 8:2555-2569(2009) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-128; ASN-606; ASN-666; ASN-783; ASN-784; ASN-785; ASN-790 AND ASN-817.
<p>Specifies the position and type of each modified residue excluding <a href="/manual/lipid">lipids</a>, <a href="/manual/carbohyd">glycans</a> and <a href="/manual/crosslnk">protein cross-links</a>.</p><p><a href='../manual/mod_res' target='_top'>More...</a></p>Modified residuei	176 – 176	1	SulfotyrosineSequence Analysis
<p>Specifies the position and type of each covalently attached glycan group (mono-, di- , or polysaccharide).</p><p><a href='../manual/carbohyd' target='_top'>More...</a></p>Glycosylationi	234 – 234	1	N-linked (GlcNAc...)Sequence Analysis
<p>Specifies the position and type of each covalently attached glycan group (mono-, di- , or polysaccharide).</p><p><a href='../manual/carbohyd' target='_top'>More...</a></p>Glycosylationi	288 – 288	1	N-linked (GlcNAc...)Sequence Analysis
<p>Specifies the position and type of each covalently attached glycan group (mono-, di- , or polysaccharide).</p><p><a href='../manual/carbohyd' target='_top'>More...</a></p>Glycosylationi	318 – 318	1	N-linked (GlcNAc...)Sequence Analysis
<p>Specifies the position and type of each covalently attached glycan group (mono-, di- , or polysaccharide).</p><p><a href='../manual/carbohyd' target='_top'>More...</a></p>Glycosylationi	332 – 332	1	N-linked (GlcNAc...)1 Publication <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More…</a></p> Manual assertion based on experiment ini Ref.7 "Mass-spectrometric identification and relative quantification of N-linked cell surface glycoproteins." Wollscheid B., Bausch-Fluck D., Henderson C., O'Brien R., Bibel M., Schiess R., Aebersold R., Watts J.D. Nat. Biotechnol. 27:378-386(2009) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-114; ASN-332; ASN-606; ASN-783; ASN-784; ASN-785 AND ASN-817.
<p>Specifies the position and type of each modified residue excluding <a href="/manual/lipid">lipids</a>, <a href="/manual/carbohyd">glycans</a> and <a href="/manual/crosslnk">protein cross-links</a>.</p><p><a href='../manual/mod_res' target='_top'>More...</a></p>Modified residuei	418 – 418	1	SulfotyrosineSequence Analysis
<p>Specifies the position and type of each modified residue excluding <a href="/manual/lipid">lipids</a>, <a href="/manual/carbohyd">glycans</a> and <a href="/manual/crosslnk">protein cross-links</a>.</p><p><a href='../manual/mod_res' target='_top'>More...</a></p>Modified residuei	423 – 423	1	SulfotyrosineSequence Analysis
<p>Specifies the position and type of each covalently attached glycan group (mono-, di- , or polysaccharide).</p><p><a href='../manual/carbohyd' target='_top'>More...</a></p>Glycosylationi	573 – 573	1	N-linked (GlcNAc...)Sequence Analysis
<p>Specifies the position and type of each covalently attached glycan group (mono-, di- , or polysaccharide).</p><p><a href='../manual/carbohyd' target='_top'>More...</a></p>Glycosylationi	606 – 606	1	N-linked (GlcNAc...)2 Publications <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More…</a></p> Manual assertion based on experiment ini Ref.6 "The mouse C2C12 myoblast cell surface N-linked glycoproteome: identification, glycosite occupancy, and membrane orientation." Gundry R.L., Raginski K., Tarasova Y., Tchernyshyov I., Bausch-Fluck D., Elliott S.T., Boheler K.R., Van Eyk J.E., Wollscheid B. Mol. Cell. Proteomics 8:2555-2569(2009) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-128; ASN-606; ASN-666; ASN-783; ASN-784; ASN-785; ASN-790 AND ASN-817. Ref.7 "Mass-spectrometric identification and relative quantification of N-linked cell surface glycoproteins." Wollscheid B., Bausch-Fluck D., Henderson C., O'Brien R., Bibel M., Schiess R., Aebersold R., Watts J.D. Nat. Biotechnol. 27:378-386(2009) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-114; ASN-332; ASN-606; ASN-783; ASN-784; ASN-785 AND ASN-817.
<p>Specifies the position and type of each covalently attached glycan group (mono-, di- , or polysaccharide).</p><p><a href='../manual/carbohyd' target='_top'>More...</a></p>Glycosylationi	624 – 624	1	N-linked (GlcNAc...)Sequence Analysis
<p>Specifies the position and type of each covalently attached glycan group (mono-, di- , or polysaccharide).</p><p><a href='../manual/carbohyd' target='_top'>More...</a></p>Glycosylationi	666 – 666	1	N-linked (GlcNAc...); atypical1 Publication <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More…</a></p> Manual assertion based on experiment ini Ref.6 "The mouse C2C12 myoblast cell surface N-linked glycoproteome: identification, glycosite occupancy, and membrane orientation." Gundry R.L., Raginski K., Tarasova Y., Tchernyshyov I., Bausch-Fluck D., Elliott S.T., Boheler K.R., Van Eyk J.E., Wollscheid B. Mol. Cell. Proteomics 8:2555-2569(2009) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-128; ASN-606; ASN-666; ASN-783; ASN-784; ASN-785; ASN-790 AND ASN-817.
<p>Specifies the position and type of each covalently attached glycan group (mono-, di- , or polysaccharide).</p><p><a href='../manual/carbohyd' target='_top'>More...</a></p>Glycosylationi	734 – 734	1	N-linked (GlcNAc...)Sequence Analysis
<p>Describes the positions of cysteine residues participating in disulfide bonds.</p><p><a href='../manual/disulfid' target='_top'>More...</a></p>Disulfide bondi	760 ↔ 767		By similarity
<p>Specifies the position and type of each covalently attached glycan group (mono-, di- , or polysaccharide).</p><p><a href='../manual/carbohyd' target='_top'>More...</a></p>Glycosylationi	783 – 783	1	N-linked (GlcNAc...); atypical2 Publications <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More…</a></p> Manual assertion based on experiment ini Ref.6 "The mouse C2C12 myoblast cell surface N-linked glycoproteome: identification, glycosite occupancy, and membrane orientation." Gundry R.L., Raginski K., Tarasova Y., Tchernyshyov I., Bausch-Fluck D., Elliott S.T., Boheler K.R., Van Eyk J.E., Wollscheid B. Mol. Cell. Proteomics 8:2555-2569(2009) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-128; ASN-606; ASN-666; ASN-783; ASN-784; ASN-785; ASN-790 AND ASN-817. Ref.7 "Mass-spectrometric identification and relative quantification of N-linked cell surface glycoproteins." Wollscheid B., Bausch-Fluck D., Henderson C., O'Brien R., Bibel M., Schiess R., Aebersold R., Watts J.D. Nat. Biotechnol. 27:378-386(2009) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-114; ASN-332; ASN-606; ASN-783; ASN-784; ASN-785 AND ASN-817.
<p>Specifies the position and type of each covalently attached glycan group (mono-, di- , or polysaccharide).</p><p><a href='../manual/carbohyd' target='_top'>More...</a></p>Glycosylationi	784 – 784	1	N-linked (GlcNAc...)2 Publications <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More…</a></p> Manual assertion based on experiment ini Ref.6 "The mouse C2C12 myoblast cell surface N-linked glycoproteome: identification, glycosite occupancy, and membrane orientation." Gundry R.L., Raginski K., Tarasova Y., Tchernyshyov I., Bausch-Fluck D., Elliott S.T., Boheler K.R., Van Eyk J.E., Wollscheid B. Mol. Cell. Proteomics 8:2555-2569(2009) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-128; ASN-606; ASN-666; ASN-783; ASN-784; ASN-785; ASN-790 AND ASN-817. Ref.7 "Mass-spectrometric identification and relative quantification of N-linked cell surface glycoproteins." Wollscheid B., Bausch-Fluck D., Henderson C., O'Brien R., Bibel M., Schiess R., Aebersold R., Watts J.D. Nat. Biotechnol. 27:378-386(2009) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-114; ASN-332; ASN-606; ASN-783; ASN-784; ASN-785 AND ASN-817.
<p>Specifies the position and type of each covalently attached glycan group (mono-, di- , or polysaccharide).</p><p><a href='../manual/carbohyd' target='_top'>More...</a></p>Glycosylationi	785 – 785	1	N-linked (GlcNAc...); atypical2 Publications <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More…</a></p> Manual assertion based on experiment ini Ref.6 "The mouse C2C12 myoblast cell surface N-linked glycoproteome: identification, glycosite occupancy, and membrane orientation." Gundry R.L., Raginski K., Tarasova Y., Tchernyshyov I., Bausch-Fluck D., Elliott S.T., Boheler K.R., Van Eyk J.E., Wollscheid B. Mol. Cell. Proteomics 8:2555-2569(2009) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-128; ASN-606; ASN-666; ASN-783; ASN-784; ASN-785; ASN-790 AND ASN-817. Ref.7 "Mass-spectrometric identification and relative quantification of N-linked cell surface glycoproteins." Wollscheid B., Bausch-Fluck D., Henderson C., O'Brien R., Bibel M., Schiess R., Aebersold R., Watts J.D. Nat. Biotechnol. 27:378-386(2009) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-114; ASN-332; ASN-606; ASN-783; ASN-784; ASN-785 AND ASN-817.
<p>Specifies the position and type of each covalently attached glycan group (mono-, di- , or polysaccharide).</p><p><a href='../manual/carbohyd' target='_top'>More...</a></p>Glycosylationi	790 – 790	1	N-linked (GlcNAc...); atypical1 Publication <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More…</a></p> Manual assertion based on experiment ini Ref.6 "The mouse C2C12 myoblast cell surface N-linked glycoproteome: identification, glycosite occupancy, and membrane orientation." Gundry R.L., Raginski K., Tarasova Y., Tchernyshyov I., Bausch-Fluck D., Elliott S.T., Boheler K.R., Van Eyk J.E., Wollscheid B. Mol. Cell. Proteomics 8:2555-2569(2009) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-128; ASN-606; ASN-666; ASN-783; ASN-784; ASN-785; ASN-790 AND ASN-817.
<p>Describes the positions of cysteine residues participating in disulfide bonds.</p><p><a href='../manual/disulfid' target='_top'>More...</a></p>Disulfide bondi	797 ↔ 833		By similarity
<p>Specifies the position and type of each covalently attached glycan group (mono-, di- , or polysaccharide).</p><p><a href='../manual/carbohyd' target='_top'>More...</a></p>Glycosylationi	817 – 817	1	N-linked (GlcNAc...)2 Publications <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More…</a></p> Manual assertion based on experiment ini Ref.6 "The mouse C2C12 myoblast cell surface N-linked glycoproteome: identification, glycosite occupancy, and membrane orientation." Gundry R.L., Raginski K., Tarasova Y., Tchernyshyov I., Bausch-Fluck D., Elliott S.T., Boheler K.R., Van Eyk J.E., Wollscheid B. Mol. Cell. Proteomics 8:2555-2569(2009) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-128; ASN-606; ASN-666; ASN-783; ASN-784; ASN-785; ASN-790 AND ASN-817. Ref.7 "Mass-spectrometric identification and relative quantification of N-linked cell surface glycoproteins." Wollscheid B., Bausch-Fluck D., Henderson C., O'Brien R., Bibel M., Schiess R., Aebersold R., Watts J.D. Nat. Biotechnol. 27:378-386(2009) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-114; ASN-332; ASN-606; ASN-783; ASN-784; ASN-785 AND ASN-817.
<p>Specifies the position and type of each modified residue excluding <a href="/manual/lipid">lipids</a>, <a href="/manual/carbohyd">glycans</a> and <a href="/manual/crosslnk">protein cross-links</a>.</p><p><a href='../manual/mod_res' target='_top'>More...</a></p>Modified residuei	852 – 852	1	Phosphotyrosine1 Publication <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More…</a></p> Manual assertion based on experiment ini Ref.5 "Quantitative time-resolved phosphoproteomic analysis of mast cell signaling." Cao L., Yu K., Banh C., Nguyen V., Ritz A., Raphael B.J., Kawakami Y., Kawakami T., Salomon A.R. J. Immunol. 179:5864-5876(2007) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT TYR-852, IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].

<p>Describes post-translational modifications (PTMs). This subsection complements the information provided at the sequence level or describes modifications for which position-specific data is not yet available.</p><p><a href='../manual/post-translational_modification' target='_top'>More...</a></p>Post-translational modificationⁱ

<p>UniProtKB Keywords constitute a <a target="_top" href="/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='../help/keywords' target='_top'>More...</a></p>Keywords - PTMⁱ

Proteomic databases

PTM databases

<p>Provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.</p><p><a href='../manual/expression_section' target='_top'>More...</a></p>Expressionⁱ

<p>Provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms. By default, the information is derived from experiments at the mRNA level, unless specified ‘at the protein level’.</p><p><a href='../manual/tissue_specificity' target='_top'>More...</a></p>Tissue specificityⁱ

Gene expression databases

<p>Provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.</p><p><a href='../manual/interaction_section' target='_top'>More...</a></p>Interactionⁱ

<p>Provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the ‘Function’ section).</p><p><a href='../manual/subunit_structure' target='_top'>More...</a></p>Subunit structureⁱ

Protein-protein interaction databases

<p>Provides information on the tertiary structure of a protein.</p><p><a href='../manual/structure_section' target='_top'>More...</a></p>Structureⁱ

3D structure databases

<p>Provides information on sequence similarities with other proteins and the domain(s) present in a protein.</p><p><a href='../manual/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsⁱ

Region

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Describes a region of interest that cannot be described in other subsections.</p><p><a href='../manual/region' target='_top'>More...</a></p>Regioni	33 – 68	36	Cytosolic Ser/Thr-rich junction			Add BLAST
<p>Describes a region of interest that cannot be described in other subsections.</p><p><a href='../manual/region' target='_top'>More...</a></p>Regioni	69 – 966	898	Metalloprotease			Add BLAST
<p>Describes a region of interest that cannot be described in other subsections.</p><p><a href='../manual/region' target='_top'>More...</a></p>Regioni	351 – 355	5	Substrate bindingBy similarity

<p>Provides information about the sequence similarity with other proteins.</p><p><a href='../manual/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesⁱ

<p>UniProtKB Keywords constitute a <a target="_top" href="/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='../help/keywords' target='_top'>More...</a></p>Keywords - Domainⁱ

Phylogenomic databases

Family and domain databases

<p>Displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including length and molecular weight.</p><p><a href='../manual/sequences_section' target='_top'>More...</a></p>Sequenceⁱ

<p>Indicates if the canonical sequence displayed by default in the entry is complete or not.</p><p><a href='../manual/sequence_status' target='_top'>More...</a></p>Sequence statusⁱ: Complete.

<p>Indicates if the canonical sequence displayed by default in the entry is in its mature form or if it represents the precursor.</p><p><a href='../manual/sequence_processing' target='_top'>More...</a></p>Sequence processingⁱ: The displayed sequence is further processed into a mature form.

        10         20         30         40         50
MAKGFYISKT LGILGILLGV AAVCTIIALS VVYAQEKNRN AENSATAPTL 
        60         70         80         90        100
PGSTSATTAT TTPAVDESKP WNQYRLPKTL IPDSYRVILR PYLTPNNQGL 
       110        120        130        140        150
YIFQGNSTVR FTCNQTTDVI IIHSKKLNYT LKGNHRVVLR TLDGTPAPNI 
       160        170        180        190        200
DKTELVERTE YLVVHLQGSL VEGRQYEMDS QFQGELADDL AGFYRSEYME 
       210        220        230        240        250
GDVKKVVATT QMQAADARKS FPCFDEPAMK AMFNITLIYP NNLIALSNML 
       260        270        280        290        300
PKESKPYPED PSCTMTEFHS TPKMSTYLLA YIVSEFKNIS SVSANGVQIG 
       310        320        330        340        350
IWARPSAIDE GQGDYALNVT GPILNFFAQH YNTSYPLPKS DQIALPDFNA 
       360        370        380        390        400
GAMENWGLVT YRESSLVFDS QSSSISNKER VVTVIAHELA HQWFGNLVTV 
       410        420        430        440        450
AWWNDLWLNE GFASYVEYLG ADYAEPTWNL KDLMVLNDVY RVMAVDALAS 
       460        470        480        490        500
SHPLSSPADE IKTPDQIMEL FDSITYSKGA SVIRMLSSFL TEDLFKKGLS 
       510        520        530        540        550
SYLHTYQYSN TVYLDLWEHL QKAVNQQTAV QPPATVRTIM DRWILQMGFP 
       560        570        580        590        600
VITVNTNTGE ISQKHFLLDS KSNVTRPSEF NYIWIAPIPF LKSGQEDHYW 
       610        620        630        640        650
LDVEKNQSAK FQTSSNEWIL LNINVTGYYL VNYDENNWKK LQNQLQTDLS 
       660        670        680        690        700
VIPVINRAQI IHDSFNLASA KMIPITLALD NTLFLVKEAE YMPWQAALSS 
       710        720        730        740        750
LNYFTLMFDR SEVYGPMKRY LKKQVTPLFF YFQNRTNNWV NRPPTLMEQY 
       760        770        780        790        800
NEINAISTAC SSGLKECRDL VVELYSQWMK NPNNNTIHPN LRSTVYCNAI 
       810        820        830        840        850
AFGGEEEWNF AWEQFRNATL VNEADKLRSA LACSKDVWIL NRYLSYTLNP 
       860        870        880        890        900
DYIRKQDTTS TIISIASNVA GHPLVWDFVR SNWKKLFENY GGGSFSFANL 
       910        920        930        940        950
IQGVTRRFSS EFELQQLEQF KADNSATGFG TGTRALEQAL EKTRANIDWV 
       960 
KENKDAVFKW FTENSS                                  

Experimental Info

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	62 – 62	1	T → TATTTATTT in AAH17011. (PubMed:15489334)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	62 – 62	1	T → TATTTATTT in AAH40792. (PubMed:15489334)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	84 – 84	1	S → A in AAB19065. (PubMed:8805662)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	106 – 106	1	N → S in AAH17011. (PubMed:15489334)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	106 – 106	1	N → S in AAH40792. (PubMed:15489334)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	181 – 181	1	Q → E in AAH17011. (PubMed:15489334)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	181 – 181	1	Q → E in AAH40792. (PubMed:15489334)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	202 – 202	1	D → G in AAH17011. (PubMed:15489334)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	202 – 202	1	D → G in AAH40792. (PubMed:15489334)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	532 – 532	1	P → L in AAH17011. (PubMed:15489334)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	532 – 532	1	P → L in AAH40792. (PubMed:15489334)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	557 – 557	1	N → S in AAH17011. (PubMed:15489334)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	557 – 557	1	N → S in AAH40792. (PubMed:15489334)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	557 – 557	1	Missing AA sequence (PubMed:8805662)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	689 – 689	1	A → T in AAH17011. (PubMed:15489334)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	689 – 689	1	A → T in AAH40792. (PubMed:15489334)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	726 – 726	1	T → M in AAH17011. (PubMed:15489334)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	726 – 726	1	T → M in AAH40792. (PubMed:15489334)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	966 – 966	1	S → G in AAH17011. (PubMed:15489334)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	966 – 966	1	S → G in AAH40792. (PubMed:15489334)Curated

Sequence databases

Genome annotation databases

<p>Is used to point to information related to entries and found in data collections other than UniProtKB.</p><p><a href='../manual/cross_references_section' target='_top'>More...</a></p>Cross-referencesⁱ

Sequence databases

3D structure databases

Protein-protein interaction databases

Chemistry

Protein family/group databases

PTM databases

Proteomic databases

Protocols and materials databases

Genome annotation databases

Organism-specific databases

Phylogenomic databases

Enzyme and pathway databases

Miscellaneous databases

Gene expression databases

Family and domain databases

<p>Contains the literature citations that are the sources of data used to annotate the entry. Each reference is numbered and contains several subsections allowing a precise description of a given citation.</p><p><a href='../manual/publications_section' target='_top'>More...</a></p>Publicationsⁱ

1. "p161, a murine membrane protein expressed on mast cells and some macrophages, is mouse CD13/aminopeptidase N."
   Chen H., Kinzer C.A., Paul W.E.
   J. Immunol. 157:2593-2600(1996) [PubMed] [Europe PMC] [Abstract]
   Cited for: NUCLEOTIDE SEQUENCE [MRNA], PROTEIN SEQUENCE OF 538-564; 886-908; 922-942 AND 961-965, TISSUE SPECIFICITY.
2. "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)."
   The MGC Project Team
   Genome Res. 14:2121-2127(2004) [PubMed] [Europe PMC] [Abstract]
   Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
   Strain: Czech II and FVB/N.
   Tissue: Mammary tumor.
   
3. "A mouse aminopeptidase N is a marker for antigen-presenting cells and appears to be co-expressed with major histocompatibility complex class II molecules."
   Hansen A.S., Noren O., Sjostrom H., Werdelin O.
   Eur. J. Immunol. 23:2358-2364(1993) [PubMed] [Europe PMC] [Abstract]
   Cited for: FUNCTION, ENZYMATIC CLEAVAGE OF ANTIGEN PEPTIDES BOUND TO CLASS II MHC.
4. "T cell responses affected by aminopeptidase N (CD13)-mediated trimming of major histocompatibility complex class II-bound peptides."
   Larsen S.L., Pedersen L.O., Buus S., Stryhn A.
   J. Exp. Med. 184:183-189(1996) [PubMed] [Europe PMC] [Abstract]
   Cited for: ENZYMATIC CLEAVAGE OF ANTIGEN PEPTIDES BOUND TO CLASS II MHC.
5. "Quantitative time-resolved phosphoproteomic analysis of mast cell signaling."
   Cao L., Yu K., Banh C., Nguyen V., Ritz A., Raphael B.J., Kawakami Y., Kawakami T., Salomon A.R.
   J. Immunol. 179:5864-5876(2007) [PubMed] [Europe PMC] [Abstract]
   Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT TYR-852, IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
   Tissue: Mast cell.
   
6. "The mouse C2C12 myoblast cell surface N-linked glycoproteome: identification, glycosite occupancy, and membrane orientation."
   Gundry R.L., Raginski K., Tarasova Y., Tchernyshyov I., Bausch-Fluck D., Elliott S.T., Boheler K.R., Van Eyk J.E., Wollscheid B.
   Mol. Cell. Proteomics 8:2555-2569(2009) [PubMed] [Europe PMC] [Abstract]
   Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-128; ASN-606; ASN-666; ASN-783; ASN-784; ASN-785; ASN-790 AND ASN-817.
   Tissue: Myoblast.
   
7. "Mass-spectrometric identification and relative quantification of N-linked cell surface glycoproteins."
   Wollscheid B., Bausch-Fluck D., Henderson C., O'Brien R., Bibel M., Schiess R., Aebersold R., Watts J.D.
   Nat. Biotechnol. 27:378-386(2009) [PubMed] [Europe PMC] [Abstract]
   Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-106; ASN-114; ASN-332; ASN-606; ASN-783; ASN-784; ASN-785 AND ASN-817.

<p>Provides general information on the entry.</p><p><a href='../manual/entry_information_section' target='_top'>More...</a></p>Entry informationⁱ

<p>Contains any relevant information that doesn’t fit in any other defined sections</p><p><a href='../manual/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousⁱ

<p>UniProtKB Keywords constitute a <a target="_top" href="/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='../help/keywords' target='_top'>More...</a></p>Keywords - Technical termⁱ

Documents

1. MGD cross-references
   Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot
2. Peptidase families
   Classification of peptidase families and list of entries
3. SIMILARITY comments
   Index of protein domains and families

External Data

<p>Provides links to the UniProt Reference Clusters (<a href="/help/uniref">UniRef</a>). UniRef consists of clusters for UniProtKB sequences (including isoforms) and selected UniParc sequences, in order to obtain complete coverage of the sequence space at resolutions of 100%, 90% and 50% identity.</p><p><a href='../manual/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsⁱ