UniProtKB - Q965Q8 (XYLT_CAEEL)

BLAST

>sp|Q965Q8|XYLT_CAEEL Xylosyltransferase sqv-6 OS=Caenorhabditis elegans OX=6239 GN=sqv-6 PE=1 SV=3
MLFNGTTKYRDYAIVISLFFLLNVYLLYNTAQHTQVGNSKHISSDSGEKTSNPLPSCEIT
DDLAKSAISRAITPSCKAKLQLEACQLKNGTFTINFPENQCPNHDSRLIDQRIGCFLDKK
EARVLTEFEYKLPKSNGKATCRKHCYKAGFLYFGLEFGHECFCGNDVSNATAVDDVECRA
YKCPGNENSEEFCGGFNAVEIFRTGFRSKVNHRKPTYLPPSSDSIKNPVKILFLLQLNGR
NERQVKRFLKSIYLPHHYYYIHVDARQNYMFSEMQKVADFLDNIHITERRFSTIWGGASL
LQMFLQVIRDSMKIEKFKDWDYIINFSESDFPILPISDFERLITVNNGKSFLASHGYNTG
KFIQKQGFEYVFSECDNRMFRIGKREFPQNLRIDGGSDWVGIHRNLAEFSISDEELPRKL
RKTYESILLPLESFYHTLAFNSEFCDDLLMSNLRLTNWYRKQGCRCASLKPIVDWCGCSP
LVFREETMKKFELQKAISKPTYFARKFDSMVDIDSIEAAEMQSISPEKLQLNHPTYHFAF
ANIFKTGIDEQKLHFESLANFALKSTETRAKFRKVLRIDALRAHHNALIEIVMKIETTDG
ATFEFLIHRLSHVNLTENEEKLVEHGYLLRAVSFGTKFEWKEELCREYMGFVTDNDTLHT
RLQWHPTEHVKKVGDKTSPEMIFKYRKGDELIEQTVVKPYDSVFGGQFDSWNVGKKLSNL
TTCSNFFVDIISPSSPDDAPPLATLHFPVYTDQNAHCHVDYLRQFFKIADFCTSGDACKE
KIWSTSYPDPKSDIFVGYDEDTQTLI

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History
Entry version 125 (10 Oct 2018)
Sequence version 3 (01 Mar 2004)
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Protein

Xylosyltransferase sqv-6

Gene

sqv-6

Organism

Caenorhabditis elegans

Status

Reviewed-Annotation score: -Experimental evidence at protein levelⁱ

Functionⁱ

Catalyzes the first step in biosynthesis of glycosaminoglycan. Transfers D-xylose from UDP-D-xylose to specific serine residues of the core protein. Initial enzyme in the biosynthesis of chondroitin sulfate and dermatan sulfate proteoglycans in fibroblasts and chondrocytes. Required for vulval morphogenesis and zygotic cytokinesis, suggesting that glycosaminoglycans play a central role in vulval morphogenesis.1 Publication

Catalytic activityⁱ

UDP-alpha-D-xylose + [protein]-L-serine = UDP + [protein]-3-O-(beta-D-xylosyl)-L-serine.1 Publication

Cofactorⁱ

a divalent metal cationBy similarity

Pathwayⁱ: chondroitin sulfate biosynthesis

This protein is involved in the pathway chondroitin sulfate biosynthesis, which is part of Glycan metabolism.
View all proteins of this organism that are known to be involved in the pathway chondroitin sulfate biosynthesis and in Glycan metabolism.

Pathwayⁱ: heparan sulfate biosynthesis

This protein is involved in the pathway heparan sulfate biosynthesis, which is part of Glycan metabolism.
View all proteins of this organism that are known to be involved in the pathway heparan sulfate biosynthesis and in Glycan metabolism.

Sites

Feature key	Position(s)	DescriptionActions	Graphical view	Length
Binding siteⁱ	264	UDP-xyloseBy similarity		1
Binding siteⁱ	479	UDP-xyloseBy similarity		1

GO - Molecular functionⁱ

acetylglucosaminyltransferase activity Source: InterPro
metal ion binding Source: UniProtKB-KW
protein xylosyltransferase activity
Source: WormBase
Inferred from direct assayⁱ
- 12584198

View the complete GO annotation on QuickGO ...

GO - Biological processⁱ

chondroitin sulfate biosynthetic process
Source: WormBase
Inferred from genetic interactionⁱ
- 12584198
heparan sulfate proteoglycan biosynthetic process Source: UniProtKB-UniPathway
heparin biosynthetic process
Source: WormBase
Inferred from genetic interactionⁱ
- 12584198
morphogenesis of an epithelium
Source: WormBase
Inferred from mutant phenotypeⁱ
- 9927677
oviposition
Source: WormBase
Inferred from mutant phenotypeⁱ
- 9927677
reproduction
Source: WormBase
Inferred from mutant phenotypeⁱ
- 9927677
UDP-D-xylose metabolic process
Source: WormBase
Inferred from direct assayⁱ
- 12584198
vulval development
Source: WormBase
Inferred from mutant phenotypeⁱ
- 9927677

View the complete GO annotation on QuickGO ...

Keywordsⁱ

Molecular function	Developmental protein, Glycosyltransferase, Transferase
Ligand	Metal-binding

Enzyme and pathway databases

BRENDAⁱ	2.4.2.26 1045
Reactomeⁱ	R-CEL-1971475 A tetrasaccharide linker sequence is required for GAG synthesis
SignaLinkⁱ	Q965Q8
UniPathwayⁱ	UPA00755 UPA00756

Protein family/group databases

Carbohydrate-Active enZymes More...CAZyⁱ	GT14 Glycosyltransferase Family 14

CAZyⁱ

GT14 Glycosyltransferase Family 14

Names & Taxonomyⁱ

Protein namesⁱ	Recommended name: Xylosyltransferase sqv-6 (EC:2.4.2.261 Publication) Alternative name(s): Peptide O-xylosyltransferase Squashed vulva protein 6
Gene namesⁱ	Name:sqv-6 ORF Names:Y50D4C.4
Organismⁱ	Caenorhabditis elegans
Taxonomic identifierⁱ	6239 [NCBI]
Taxonomic lineageⁱ	cellular organisms › Eukaryota › Opisthokonta › Metazoa › Eumetazoa › Bilateria › Protostomia › Ecdysozoa › Nematoda › Chromadorea › Rhabditida › Rhabditoidea › Rhabditidae › Peloderinae › Caenorhabditis
Proteomesⁱ	UP000001940 Componentⁱ: Chromosome V

Organism-specific databases

WormBase More...WormBaseⁱ	Y50D4C.4a ; CE35919 ; WBGene00005024 ; sqv-6

WormBaseⁱ

Y50D4C.4a ; CE35919 ; WBGene00005024 ; sqv-6

Topology

Feature key	Position(s)	DescriptionActions	Length
Topological domainⁱ	1 – 11	CytoplasmicSequence analysisAdd BLAST	11
Transmembraneⁱ	12 – 32	Helical; Signal-anchor for type II membrane proteinSequence analysisAdd BLAST	21
Topological domainⁱ	33 – 806	LumenalSequence analysisAdd BLAST	774

Keywords - Cellular componentⁱ

Endoplasmic reticulum, Golgi apparatus, Membrane

Pathology & Biotechⁱ

Disruption phenotypeⁱ

Worms are infertile because of the failure of the progeny of homozygous mutants to initiate cytokinesis and because of the failure to form an extracellular space between the egg and the eggshell.1 Publication

PTM / Processingⁱ

Molecule processing

Feature key	Position(s)	DescriptionActions	Graphical view	Length
ChainⁱPRO_0000191413	1 – 806	Xylosyltransferase sqv-6Add BLAST		806

Amino acid modifications

Feature key	Position(s)	DescriptionActions	Length
Disulfide bondⁱ	57 ↔ 85	By similarity
Glycosylationⁱ	89	N-linked (GlcNAc...) asparagineSequence analysis	1
Disulfide bondⁱ	101 ↔ 445	By similarity
Glycosylationⁱ	169	N-linked (GlcNAc...) asparagineSequence analysis	1
Glycosylationⁱ	325	N-linked (GlcNAc...) asparagineSequence analysis	1
Disulfide bondⁱ	464 ↔ 478	By similarity
Disulfide bondⁱ	466 ↔ 476	By similarity
Glycosylationⁱ	614	N-linked (GlcNAc...) asparagine1 Publication	1
Glycosylationⁱ	655	N-linked (GlcNAc...) asparagine1 Publication	1
Glycosylationⁱ	719	N-linked (GlcNAc...) asparagineSequence analysis	1
Disulfide bondⁱ	772 ↔ 778	By similarity

Keywords - PTMⁱ

Disulfide bond, Glycoprotein

Proteomic databases

EPDⁱ	Q965Q8
PaxDbⁱ	Q965Q8
PeptideAtlas More...PeptideAtlasⁱ	Q965Q8

PTM databases

iPTMnetⁱ	Q965Q8

iPTMnetⁱ

Q965Q8

Expressionⁱ

Gene expression databases

Bgeeⁱ	WBGene00005024 Expressed in 4 organ(s), highest expression level in adult organism

Bgeeⁱ

WBGene00005024 Expressed in 4 organ(s), highest expression level in adult organism

Interactionⁱ

Protein-protein interaction databases

STRINGⁱ	6239.Y50D4C.4

STRINGⁱ

6239.Y50D4C.4

Structureⁱ

3D structure databases

ProteinModelPortalⁱ	Q965Q8
ModBaseⁱ	Search...
MobiDBⁱ	Search...

Family & Domainsⁱ

Domains and Repeats

Feature key	Position(s)	DescriptionActions	Graphical view	Length
Domainⁱ	109 – 205	WSCPROSITE-ProRule annotationAdd BLAST		97

Region

Feature key	Position(s)	DescriptionActions	Length
Regionⁱ	293 – 295	UDP-xylose bindingBy similarity	3
Regionⁱ	398 – 399	UDP-xylose bindingBy similarity	2
Regionⁱ	505 – 506	UDP-xylose bindingBy similarity	2

Sequence similaritiesⁱ

Belongs to the glycosyltransferase 14 family. XylT subfamily.Curated

Keywords - Domainⁱ

Signal-anchor, Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGⁱ	KOG0799 Eukaryota KOG4157 Eukaryota ENOG410XQ7M LUCA
Ensembl GeneTree More...GeneTreeⁱ	ENSGT00760000119183
InParanoidⁱ	Q965Q8
KEGG Orthology (KO) More...KOⁱ	K00771
OMAⁱ	TYFARKF
Database of Orthologous Groups More...OrthoDBⁱ	EOG091G020K
PhylomeDBⁱ	Q965Q8

Family and domain databases

InterProⁱ	View protein in InterPro IPR003406 Glyco_trans_14 IPR002889 WSC_carb-bd
Pfam protein domain database More...Pfamⁱ	View protein in Pfam PF02485 Branch, 1 hit PF01822 WSC, 1 hit
SMARTⁱ	View protein in SMART SM00321 WSC, 1 hit
PROSITEⁱ	View protein in PROSITE PS51212 WSC, 1 hit

Sequence (1+)ⁱ

Sequence statusⁱ: Complete.

This entry has 1 described isoform and 2 potential isoforms that are computationally mapped.Show all Align All

Q965Q8-1 [UniParc]FASTA Add to basket

« Hide

        10         20         30         40         50
MLFNGTTKYR DYAIVISLFF LLNVYLLYNT AQHTQVGNSK HISSDSGEKT 
        60         70         80         90        100
SNPLPSCEIT DDLAKSAISR AITPSCKAKL QLEACQLKNG TFTINFPENQ 
       110        120        130        140        150
CPNHDSRLID QRIGCFLDKK EARVLTEFEY KLPKSNGKAT CRKHCYKAGF 
       160        170        180        190        200
LYFGLEFGHE CFCGNDVSNA TAVDDVECRA YKCPGNENSE EFCGGFNAVE 
       210        220        230        240        250
IFRTGFRSKV NHRKPTYLPP SSDSIKNPVK ILFLLQLNGR NERQVKRFLK 
       260        270        280        290        300
SIYLPHHYYY IHVDARQNYM FSEMQKVADF LDNIHITERR FSTIWGGASL 
       310        320        330        340        350
LQMFLQVIRD SMKIEKFKDW DYIINFSESD FPILPISDFE RLITVNNGKS 
       360        370        380        390        400
FLASHGYNTG KFIQKQGFEY VFSECDNRMF RIGKREFPQN LRIDGGSDWV 
       410        420        430        440        450
GIHRNLAEFS ISDEELPRKL RKTYESILLP LESFYHTLAF NSEFCDDLLM 
       460        470        480        490        500
SNLRLTNWYR KQGCRCASLK PIVDWCGCSP LVFREETMKK FELQKAISKP 
       510        520        530        540        550
TYFARKFDSM VDIDSIEAAE MQSISPEKLQ LNHPTYHFAF ANIFKTGIDE 
       560        570        580        590        600
QKLHFESLAN FALKSTETRA KFRKVLRIDA LRAHHNALIE IVMKIETTDG 
       610        620        630        640        650
ATFEFLIHRL SHVNLTENEE KLVEHGYLLR AVSFGTKFEW KEELCREYMG 
       660        670        680        690        700
FVTDNDTLHT RLQWHPTEHV KKVGDKTSPE MIFKYRKGDE LIEQTVVKPY 
       710        720        730        740        750
DSVFGGQFDS WNVGKKLSNL TTCSNFFVDI ISPSSPDDAP PLATLHFPVY 
       760        770        780        790        800
TDQNAHCHVD YLRQFFKIAD FCTSGDACKE KIWSTSYPDP KSDIFVGYDE 

DTQTLI

Length:806

Mass (Da):93,115

Last modified:March 1, 2004 - v3

Checksum:ⁱ6EF779BEA4B570CB

Computationally mapped potential isoform sequencesⁱ

There are 2 potential isoforms mapped to this entry.BLAST Align Show all Add to basket

Entry	Entry name	Protein names	Gene names	Length	Annotation

A0A0K3AYD4	A0A0K3AYD4_CAEEL	Xylosyltransferase sqv-6 Xylosyltransferase sqv-6	sqv-6 CELE_Y50D4C.4, Y50D4C.4	428	Annotation score:
A0A0K3AT40	A0A0K3AT40_CAEEL	Xylosyltransferase sqv-6 Xylosyltransferase sqv-6	sqv-6 CELE_Y50D4C.4, Y50D4C.4	126	Annotation score:

Sequence databases

Select the link destinations: EMBLⁱ GenBankⁱ DDBJⁱ Links Updated	AY241928 mRNA Translation: AAO85277.1 AJ496235 mRNA Translation: CAD42732.1 FO081564 Genomic DNA Translation: CCD72442.1
NCBI Reference Sequences More...RefSeqⁱ	NP_503359.2, NM_070958.3
UniGeneⁱ	Cel.1679

Genome annotation databases

EnsemblMetazoaⁱ	Y50D4C.4a.1; Y50D4C.4a.1; WBGene00005024 Y50D4C.4a.2; Y50D4C.4a.2; WBGene00005024
GeneIDⁱ	190099
KEGGⁱ	cel:CELE_Y50D4C.4
UCSC genome browser More...UCSCⁱ	Y50D4C.4 c. elegans

Similar proteinsⁱ

100% Identity
90% Identity
50% Identity

Protein	Similar proteins		Species	Score	Length	Source
Q965Q8	Xylosyltransferase sqv-6		CAEEL		428	UniRef100_Q965Q8
Xylosyltransferase sqv-6		CAEEL		126

Protein	Similar proteins		Species	Score	Length	Source
Q965Q8	Xylosyltransferase sqv-6		CAEEL		428	UniRef90_Q965Q8
Xylosyltransferase sqv-6		CAEEL		126

Protein	Similar proteins		Species	Score	Length	Source
Q965Q8	Xylosyltransferase sqv-6		CAEBR		803	UniRef50_Q965Q8
Xylosyltransferase sqv-6		CAEEL		428
Uncharacterized protein		Caenorhabditis tropicalis		806
Uncharacterized protein		Caenorhabditis nigoni		819
Uncharacterized protein		CAEBE		806
+6

Cross-referencesⁱ

Sequence databases

Select the link destinations: EMBLⁱ GenBankⁱ DDBJⁱ Links Updated	AY241928 mRNA Translation: AAO85277.1 AJ496235 mRNA Translation: CAD42732.1 FO081564 Genomic DNA Translation: CCD72442.1
RefSeqⁱ	NP_503359.2, NM_070958.3
UniGeneⁱ	Cel.1679

3D structure databases

ProteinModelPortalⁱ	Q965Q8
ModBaseⁱ	Search...
MobiDBⁱ	Search...

Protein-protein interaction databases

STRINGⁱ	6239.Y50D4C.4

STRINGⁱ

6239.Y50D4C.4

Protein family/group databases

CAZyⁱ	GT14 Glycosyltransferase Family 14

CAZyⁱ

GT14 Glycosyltransferase Family 14

PTM databases

iPTMnetⁱ	Q965Q8

iPTMnetⁱ

Q965Q8

Proteomic databases

EPDⁱ	Q965Q8
PaxDbⁱ	Q965Q8
PeptideAtlasⁱ	Q965Q8

Protocols and materials databases

Structural Biology Knowledgebase	Search...

Structural Biology Knowledgebase

Search...

Genome annotation databases

EnsemblMetazoaⁱ	Y50D4C.4a.1; Y50D4C.4a.1; WBGene00005024 Y50D4C.4a.2; Y50D4C.4a.2; WBGene00005024
GeneIDⁱ	190099
KEGGⁱ	cel:CELE_Y50D4C.4
UCSCⁱ	Y50D4C.4 c. elegans

Organism-specific databases

CTDⁱ	190099
WormBaseⁱ	Y50D4C.4a ; CE35919 ; WBGene00005024 ; sqv-6

Phylogenomic databases

eggNOGⁱ	KOG0799 Eukaryota KOG4157 Eukaryota ENOG410XQ7M LUCA
GeneTreeⁱ	ENSGT00760000119183
InParanoidⁱ	Q965Q8
KOⁱ	K00771
OMAⁱ	TYFARKF
OrthoDBⁱ	EOG091G020K
PhylomeDBⁱ	Q965Q8

Enzyme and pathway databases

UniPathwayⁱ	UPA00755 UPA00756
BRENDAⁱ	2.4.2.26 1045
Reactomeⁱ	R-CEL-1971475 A tetrasaccharide linker sequence is required for GAG synthesis
SignaLinkⁱ	Q965Q8

Miscellaneous databases

Protein Ontology More...PROⁱ	PR:Q965Q8

PROⁱ

PR:Q965Q8

Gene expression databases

Bgeeⁱ	WBGene00005024 Expressed in 4 organ(s), highest expression level in adult organism

Bgeeⁱ

WBGene00005024 Expressed in 4 organ(s), highest expression level in adult organism

Family and domain databases

InterProⁱ	View protein in InterPro IPR003406 Glyco_trans_14 IPR002889 WSC_carb-bd
Pfamⁱ	View protein in Pfam PF02485 Branch, 1 hit PF01822 WSC, 1 hit
SMARTⁱ	View protein in SMART SM00321 WSC, 1 hit
PROSITEⁱ	View protein in PROSITE PS51212 WSC, 1 hit
ProtoNetⁱ	Search...

Entry informationⁱ

Entry nameⁱ	XYLT_CAEEL
Accessionⁱ	Q965Q8Primary (citable) accession number: Q965Q8 Secondary accession number(s): Q867S3
Entry historyⁱ	Integrated into UniProtKB/Swiss-Prot:	May 10, 2005
	Last sequence update:	March 1, 2004
	Last modified:	October 10, 2018
	This is version 125 of the entry and version 3 of the sequence. See complete history.
Entry statusⁱ	Reviewed (UniProtKB/Swiss-Prot)
Annotation program	Caenorhabditis annotation project

Miscellaneousⁱ

Keywords - Technical termⁱ

Complete proteome, Reference proteome

Documents

SIMILARITY comments
Index of protein domains and families
PATHWAY comments
Index of metabolic and biosynthesis pathways
Caenorhabditis elegans
Caenorhabditis elegans: entries, gene names and cross-references to WormBase

UniProtKB

UniParc

Help

UniRef

Proteomes

Annotation systems

Supporting data

UniProtKB - Q965Q8 (XYLT_CAEEL)

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Xylosyltransferase sqv-6

sqv-6

Select a section on the left to see content.

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

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section describes the metabolic pathway(s) associated with a protein.<p><a href='/help/pathway' target='_top'>More...</a></p>Pathwayi: chondroitin sulfate biosynthesis

Pathwayi: heparan sulfate biosynthesis

Sites

<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><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

GO - Biological processi

Enzyme and pathway databases

Protein family/group databases

<p>This section 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><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

Organism-specific databases

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

Endoplasmic reticulum

Golgi apparatus

Endoplasmic reticulum

Golgi apparatus

Other locations

Topology

Keywords - Cellular componenti

<p>This section provides information on the disease(s) and phenotype(s) associated with a protein.<p><a href='/help/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechi

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

Molecule processing

Amino acid modifications

Keywords - PTMi

Proteomic databases

PTM databases

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

Gene expression databases

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

Protein-protein interaction databases

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

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

Domains and Repeats

Region

<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Keywords - Domaini

Phylogenomic databases

Family and domain databases

Sequence databases

Genome annotation databases

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

Sequence databases

3D structure databases

Protein-protein interaction databases

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>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

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

Keywords - Technical termi

Documents

UniProt is an ELIXIR core data resource

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Functionⁱ

Pathwayⁱ: chondroitin sulfate biosynthesis

Pathwayⁱ: heparan sulfate biosynthesis

GO - Molecular functionⁱ

GO - Biological processⁱ

Names & Taxonomyⁱ

Subcellular locationⁱ

Keywords - Cellular componentⁱ

Pathology & Biotechⁱ

PTM / Processingⁱ

Keywords - PTMⁱ

Expressionⁱ

Interactionⁱ

Structureⁱ

Family & Domainsⁱ

Sequence similaritiesⁱ

Keywords - Domainⁱ

Cross-referencesⁱ

Entry informationⁱ

Miscellaneousⁱ

Keywords - Technical termⁱ