<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>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. cartilage development Source: RGD

   <p>Inferred from Expression Pattern</p> <p>Covers cases where the annotation is inferred from the timing or location of expression of a gene.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#iep">GO evidence code guide</a></p> Inferred from expression patternⁱ

   • 19746167

2. collagen fibril organization Source: InterPro
3. positive regulation of transcription from RNA polymerase II promoter Source: Ensembl
4. response to growth factor Source: RGD

   <p>Inferred from Expression Pattern</p> <p>Covers cases where the annotation is inferred from the timing or location of expression of a gene.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#iep">GO evidence code guide</a></p> Inferred from expression patternⁱ

   • 18482974

5. response to organic cyclic compound Source: RGD

   <p>Inferred from Expression Pattern</p> <p>Covers cases where the annotation is inferred from the timing or location of expression of a gene.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#iep">GO evidence code guide</a></p> Inferred from expression patternⁱ

   • 18602130

6. visual perception Source: InterPro

Enzyme and pathway 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

<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. extracellular space Source: Ensembl
2. extracellular vesicular exosome Source: Ensembl
3. fibrillar collagen trimer Source: Ensembl
4. proteinaceous extracellular matrix Source: RGD

   <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

   • 11348051

<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>Denotes the presence of an N-terminal signal peptide.</p><p><a href='../manual/signal' target='_top'>More...</a></p>Signal peptidei	1 – 18	18	By similarity			Add BLAST
<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	19 – 338	320	Lumican		PRO_0000032735	Add BLAST

Amino acid modifications

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<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	19 – 19	1	Pyrrolidone carboxylic acidBy similarity
<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	20 – 20	1	SulfotyrosineBy similarity
<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	21 – 21	1	SulfotyrosineBy similarity
<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	23 – 23	1	SulfotyrosineBy similarity
<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	30 – 30	1	SulfotyrosineBy 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	88 – 88	1	N-linked (GlcNAc...) (keratan sulfate)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	127 – 127	1	N-linked (GlcNAc...) (keratan sulfate)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	160 – 160	1	N-linked (GlcNAc...) (keratan sulfate)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	252 – 252	1	N-linked (GlcNAc...) (keratan sulfate)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	295 ↔ 328		By similarity

<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

<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

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

Domains and Repeats

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.</p><p><a href='../manual/domain' target='_top'>More...</a></p>Domaini	28 – 66	39	LRRNT			Add BLAST
<p>Indicates the positions and types of repeated sequence motifs or repeated domains within the protein.</p><p><a href='../manual/repeat' target='_top'>More...</a></p>Repeati	67 – 88	22	LRR 1			Add BLAST
<p>Indicates the positions and types of repeated sequence motifs or repeated domains within the protein.</p><p><a href='../manual/repeat' target='_top'>More...</a></p>Repeati	91 – 114	24	LRR 2			Add BLAST
<p>Indicates the positions and types of repeated sequence motifs or repeated domains within the protein.</p><p><a href='../manual/repeat' target='_top'>More...</a></p>Repeati	117 – 137	21	LRR 3			Add BLAST
<p>Indicates the positions and types of repeated sequence motifs or repeated domains within the protein.</p><p><a href='../manual/repeat' target='_top'>More...</a></p>Repeati	138 – 159	22	LRR 4			Add BLAST
<p>Indicates the positions and types of repeated sequence motifs or repeated domains within the protein.</p><p><a href='../manual/repeat' target='_top'>More...</a></p>Repeati	160 – 181	22	LRR 5			Add BLAST
<p>Indicates the positions and types of repeated sequence motifs or repeated domains within the protein.</p><p><a href='../manual/repeat' target='_top'>More...</a></p>Repeati	185 – 205	21	LRR 6			Add BLAST
<p>Indicates the positions and types of repeated sequence motifs or repeated domains within the protein.</p><p><a href='../manual/repeat' target='_top'>More...</a></p>Repeati	206 – 227	22	LRR 7			Add BLAST
<p>Indicates the positions and types of repeated sequence motifs or repeated domains within the protein.</p><p><a href='../manual/repeat' target='_top'>More...</a></p>Repeati	230 – 250	21	LRR 8			Add BLAST
<p>Indicates the positions and types of repeated sequence motifs or repeated domains within the protein.</p><p><a href='../manual/repeat' target='_top'>More...</a></p>Repeati	255 – 276	22	LRR 9			Add BLAST
<p>Indicates the positions and types of repeated sequence motifs or repeated domains within the protein.</p><p><a href='../manual/repeat' target='_top'>More...</a></p>Repeati	277 – 296	20	LRR 10			Add BLAST
<p>Indicates the positions and types of repeated sequence motifs or repeated domains within the protein.</p><p><a href='../manual/repeat' target='_top'>More...</a></p>Repeati	305 – 326	22	LRR 11			Add BLAST

Compositional bias

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Describes the position of regions of compositional bias within the protein and the particular amino acids that are over-represented within those regions.</p><p><a href='../manual/compbias' target='_top'>More...</a></p>Compositional biasi	37 – 53	17	Cys-rich			Add BLAST

<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
MNVCTFTLVL ALVGSVSGQY YDYDAPLFMY GELSPNCAPE CNCPHSYPTA 
        60         70         80         90        100
MYCDDLKLKS VPMVPPGIKY LYLRNNQIDH IDEKAFENVT DLQWLILDHN 
       110        120        130        140        150
LLENSKIKGK VFSKLKQLKK LHINYNNLTE SVGPLPKSLQ DLQLANNKIS 
       160        170        180        190        200
KLGSFDGLVN LTFIYLQHNQ LKEEAVSASL KGLKSLEYLD LSFNQMSKLP 
       210        220        230        240        250
AGLPTSLLTL YLDNNKITNI PDEYFNRFTG LQYLRLSHNE LADSGVPGNS 
       260        270        280        290        300
FNISSLLELD LSYNKLKSIP TVNENLENYY LEVNKLEKFD VKSFCKILGP 
       310        320        330 
LSYSKIKHLR LDGNPLTQSS LPPDMYECLR VANEITVN            

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

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. Krull N.B.
   Submitted (JAN-1995) to the EMBL/GenBank/DDBJ databases
   Cited for: NUCLEOTIDE SEQUENCE [MRNA].
   Strain: Sprague-Dawley.
   Tissue: Eye.
   
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].
   Tissue: Prostate.
   

<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. 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