<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>Describes the metabolic pathway(s) associated with a protein.</p><p><a href='../manual/pathway' target='_top'>More...</a></p>Pathwayⁱ

Sites

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<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	259 – 259	1	Proton donorBy similarity
<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	364 – 364	1	NucleophileBy 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. glucosylceramidase activity Source: UniProtKB-EC

<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. carbohydrate metabolic process Source: InterPro
2. sphingolipid metabolic process Source: UniProtKB-UniPathway

<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

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>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 – 21	21	Sequence Analysis			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	22 – 522	501	Putative glucosylceramidase 3		PRO_0000421455	Add BLAST

Proteomic 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

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

<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>Sequences (4)ⁱ

<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.

This entry describes 4<p>Lists the alternative protein sequences (isoforms) that can be generated from the same gene by a single or by the combination of up to four biological events (alternative promoter usage, alternative splicing, alternative initiation and ribosomal frameshifting). Additionally, this section gives relevant information on each alternative protein isoform.</p><p><a href='../manual/alternative_products' target='_top'>More...</a></p> isoformsⁱ produced by alternative splicing. Align

        10         20         30         40         50
MSRWKVVILC LLSFMFEIGH ASFQCNPKTY DGAFLNIVCV CNATFCDEIE 
        60         70         80         90        100
PIGEIAEGKA IVYRSSLDGD RLKRMSMKMK EKLRKNESVN VTITIDASER 
       110        120        130        140        150
FQNIFGFGGA FTDSAGDQFV SLSETLQNYI VDSYFGKNGL EYNIGRVPIA 
       160        170        180        190        200
SCDFSTHEYS YDDVHDDFEL KHFALPDEDL KLKIPFIKKA IEKTEGNIQL 
       210        220        230        240        250
FASPWSAPGW MKVTGRMRGG GAMRNDKRVY QAYADYFFKF FEAYSSHAIT 
       260        270        280        290        300
FWGLTIQNEP STGADMAWRW QTMNYTAETM RDFLKKYLGP KLKENKLTET 
       310        320        330        340        350
LKVMVLDDGR GLLPGWADTI FNDPEATKYA DGVAVHWYGN LYSPAVLLDI 
       360        370        380        390        400
TQRHHPTKFI FGTEACAGYF GHHGPIMGDW FRAESYADDI ITDLNHHVTG 
       410        420        430        440        450
WTDWNLCLDE TGGPNWAYNV VDSPIIVNRT AQEFYKQPMF YALGHFSKFL 
       460        470        480        490        500
PRGSTRVFTK IEGNLAVSAT SVVIEGGRRA TVILSKASNS LLTRIVDSST 
       510        520 
GFSIVLNLPP RSIHTVIWKK RK                       

        10         20         30         40         50
MSRWKVVILC LLSFMFEIGH ASFQCNPKTY DGAFLNIVCV CNATFCDEIE 
        60         70         80         90        100
PIGEIAEGKA IVYRSSLDGD RLKRMSMKMK EKLRKNESVN VTITIDASER 
       110        120        130        140        150
FQNIFGFGGA FTDSAGDQFV SLSETLQNYI VDSYFGKNGL EYNIGRVPIA 
       160        170        180        190        200
SCDFSTHEYS YDDVHDDFEL KHFALPDEDL KLKIPFIKKA IEKTEGNIQL 
       210        220        230        240        250
FASPWSAPGW MKVTGRMRGG GAMRNDKRVY QAYADYFFKF FEAYSSHAIT 
       260        270        280        290        300
FWGLTIQNEP STGADMAWRW QTMNYTAETM RDFLKKYLGP KLKENKLTET 
       310        320        330        340        350
LKVMVLDDGR GLLPGWADTI FNDPEATKYA DGVAVHWYGN LYSPAVLLDI 
       360        370        380        390        400
TQRHHPTKFI FGTEACAGYA IHHGPLMGDW FTAENYASDI ISDLNHHFTG 
       410        420        430        440        450
WTDWNLCLDD MGGPTWVDNF VDSPIIVNRT GQEFYKQPMF YAMGHFSKFL 
       460        470        480        490        500
PRGSTRVFTK IEGNLAVSAT SVVIEGGRRA TVILSKASNS LLTRIVDSST 
       510        520 
GFSIVLNLPP RSIHTVIWKK RK                       

        10         20         30         40         50
MSRWKVVILC LLSFMFEIGH ASFQCNPKTY DGAFLNIVCV CNATFCDEIE 
        60         70         80         90        100
PIGEIAEGKA IVYRSSLDGD RLKRMSMKMK EKLRKNESVN VTITIDASER 
       110        120        130        140        150
FQNIFGFGGA FTDSAGDQFV SLSETLQNYI VDSYFGKNGL EYNIGRVPIA 
       160        170        180        190        200
SCDFSTHEYS YDDVHDDFEL KHFALPDEDL KLKIPFIKKA IEKTEGNIQL 
       210        220        230        240        250
FASPWSAPGW MKVTGRMRGG GAMRNDKRVY QAYADYFFKF FEAYSSHAIT 
       260        270        280        290        300
FWGLTIQNEP STGADMAWRW QTMNYTAETM RDFLKKYLGP KLKENKLTET 
       310        320        330        340        350
LKVMVLDDGR GLLPGWADTI FNDPEATKYA DGVAVHWYGN LYSPAVLLDI 
       360        370        380        390        400
TQRHHPTKFI FGTEACAGYA IHHGPLMGDW FTAENYASDI ISDLNHHFTG 
       410        420        430        440        450
WTDWNLCLDD MGGPTWVDNF VDSPIIVNRT GQEFYKQPMF YAMGHFRHVL 

ATLDIMVQ                                             

        10         20         30         40         50
MAFFSVRSSK IVFGLERSEE KGHASFQCNP KTYDGAFLNI VCVCNATFCD 
        60         70         80         90        100
EIEPIGEIAE GKAIVYRSSL DGDRLKRMSM KMKEKLRKNE SVNVTITIDA 
       110        120        130        140        150
SERFQNIFGF GGAFTDSAGD QFVSLSETLQ NYIVDSYFGK NGLEYNIGRV 
       160        170        180        190        200
PIASCDFSTH EYSYDDVHDD FELKHFALPD EDLKLKIPFI KKAIEKTEGN 
       210        220        230        240        250
IQLFASPWSA PGWMKVTGRM RGGGAMRNDK RVYQAYADYF FKFFEAYSSH 
       260        270        280        290        300
AITFWGLTIQ NEPSTGADMA WRWQTMNYTA ETMRDFLKKY LGPKLKENKL 
       310        320        330        340        350
TETLKVMVLD DGRGLLPGWA DTIFNDPEAT KYADGVAVHW YGNLYSPAVL 
       360        370        380        390        400
LDITQRHHPT KFIFGTEACA GYFGHHGPIM GDWFRAESYA DDIITDLNHH 
       410        420        430        440        450
VTGWTDWNLC LDETGGPNWA YNVVDSPIIV NRTAQEFYKQ PMFYALGHFS 
       460        470        480        490        500
KFLPRGSTRV FTKIEGNLAV SATSVVIEGG RRATVILSKA SNSLLTRIVD 
       510        520 
SSTGFSIVLN LPPRSIHTVI WKKRK                       

Alternative sequence

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting. The information stored in this subsection is used to automatically construct alternative protein sequence(s) for display.</p><p><a href='../manual/var_seq' target='_top'>More...</a></p>Alternative sequencei	1 – 18	18	MSRWK…FMFEI → MAFFSVRSSKIVFGLERSEE K in isoform d. Curated		VSP_045725	Add BLAST
<p>Describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting. The information stored in this subsection is used to automatically construct alternative protein sequence(s) for display.</p><p><a href='../manual/var_seq' target='_top'>More...</a></p>Alternative sequencei	370 – 371	2	FG → AI in isoform b and isoform c. Curated		VSP_045726
<p>Describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting. The information stored in this subsection is used to automatically construct alternative protein sequence(s) for display.</p><p><a href='../manual/var_seq' target='_top'>More...</a></p>Alternative sequencei	376 – 376	1	I → L in isoform b and isoform c. Curated		VSP_045727
<p>Describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting. The information stored in this subsection is used to automatically construct alternative protein sequence(s) for display.</p><p><a href='../manual/var_seq' target='_top'>More...</a></p>Alternative sequencei	382 – 382	1	R → T in isoform b and isoform c. Curated		VSP_045728
<p>Describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting. The information stored in this subsection is used to automatically construct alternative protein sequence(s) for display.</p><p><a href='../manual/var_seq' target='_top'>More...</a></p>Alternative sequencei	385 – 385	1	S → N in isoform b and isoform c. Curated		VSP_045729
<p>Describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting. The information stored in this subsection is used to automatically construct alternative protein sequence(s) for display.</p><p><a href='../manual/var_seq' target='_top'>More...</a></p>Alternative sequencei	388 – 388	1	D → S in isoform b and isoform c. Curated		VSP_045730
<p>Describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting. The information stored in this subsection is used to automatically construct alternative protein sequence(s) for display.</p><p><a href='../manual/var_seq' target='_top'>More...</a></p>Alternative sequencei	392 – 392	1	T → S in isoform b and isoform c. Curated		VSP_045731
<p>Describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting. The information stored in this subsection is used to automatically construct alternative protein sequence(s) for display.</p><p><a href='../manual/var_seq' target='_top'>More...</a></p>Alternative sequencei	398 – 398	1	V → F in isoform b and isoform c. Curated		VSP_045732
<p>Describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting. The information stored in this subsection is used to automatically construct alternative protein sequence(s) for display.</p><p><a href='../manual/var_seq' target='_top'>More...</a></p>Alternative sequencei	410 – 411	2	ET → DM in isoform b and isoform c. Curated		VSP_045733
<p>Describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting. The information stored in this subsection is used to automatically construct alternative protein sequence(s) for display.</p><p><a href='../manual/var_seq' target='_top'>More...</a></p>Alternative sequencei	415 – 420	6	NWAYNV → TWVDNF in isoform b and isoform c. Curated		VSP_045734
<p>Describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting. The information stored in this subsection is used to automatically construct alternative protein sequence(s) for display.</p><p><a href='../manual/var_seq' target='_top'>More...</a></p>Alternative sequencei	431 – 431	1	A → G in isoform b and isoform c. Curated		VSP_045735
<p>Describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting. The information stored in this subsection is used to automatically construct alternative protein sequence(s) for display.</p><p><a href='../manual/var_seq' target='_top'>More...</a></p>Alternative sequencei	443 – 443	1	L → M in isoform b and isoform c. Curated		VSP_045736
<p>Describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting. The information stored in this subsection is used to automatically construct alternative protein sequence(s) for display.</p><p><a href='../manual/var_seq' target='_top'>More...</a></p>Alternative sequencei	447 – 458	12	SKFLP…STRVF → RHVLATLDIMVQ in isoform c. Curated		VSP_045737	Add BLAST
<p>Describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting. The information stored in this subsection is used to automatically construct alternative protein sequence(s) for display.</p><p><a href='../manual/var_seq' target='_top'>More...</a></p>Alternative sequencei	459 – 522	64	Missing in isoform c. Curated		VSP_045738	Add BLAST

Sequence databases

Genome annotation databases

<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 - Coding sequence diversityⁱ

<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

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. "Genome sequence of the nematode C. elegans: a platform for investigating biology."
   The C. elegans sequencing consortium
   Science 282:2012-2018(1998) [PubMed] [Europe PMC] [Abstract]
   Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA], ALTERNATIVE SPLICING.
   Strain: Bristol N2.
   

<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. Caenorhabditis elegans
   Caenorhabditis elegans: entries, gene names and cross-references to WormBase
2. Glycosyl hydrolases
   Classification of glycosyl hydrolase families and list of entries
3. PATHWAY comments
   Index of metabolic and biosynthesis pathways
4. 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