UniProtKB - Q7KVA1 (XYLT_DROME)
Protein
Xylosyltransferase oxt
Gene
oxt
Organism
Drosophila melanogaster (Fruit fly)
Status
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.1 Publication
Catalytic activityi
- EC:2.4.2.261 Publication
Cofactori
Ca2+1 Publication, Mn2+1 Publication, Mg2+1 PublicationNote: Divalent metal cations. Calcium or manganese or magnesium.1 Publication
: chondroitin sulfate biosynthesis Pathwayi
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 | 283 | UDP-xyloseBy similarity | 1 | |
Binding sitei | 498 | UDP-xyloseBy similarity | 1 |
GO - Molecular functioni
- metal ion binding Source: UniProtKB-KW
- protein xylosyltransferase activity Source: UniProtKB
GO - Biological processi
- chondroitin sulfate biosynthetic process Source: UniProtKB-UniPathway
- chondroitin sulfate metabolic process Source: FlyBase
- chondroitin sulfate proteoglycan biosynthetic process Source: UniProtKB
- D-xylose metabolic process Source: UniProtKB
- heparan sulfate proteoglycan biosynthetic process Source: UniProtKB
- heparan sulfate proteoglycan metabolic process Source: FlyBase
Keywordsi
Molecular function | Glycosyltransferase, Transferase |
Ligand | Magnesium, Manganese, Metal-binding |
Enzyme and pathway databases
Reactomei | R-DME-1971475, A tetrasaccharide linker sequence is required for GAG synthesis |
SignaLinki | Q7KVA1 |
UniPathwayi | UPA00755 UPA00756 |
Protein family/group databases
CAZyi | GT14, Glycosyltransferase Family 14 |
Names & Taxonomyi
Protein namesi | Recommended name: Xylosyltransferase oxt (EC:2.4.2.261 Publication)Alternative name(s): Imaginal disk type I Peptide O-xylosyltransferase |
Gene namesi | Name:oxt ORF Names:CG17771, CG32300 |
Organismi | Drosophila melanogaster (Fruit fly) |
Taxonomic identifieri | 7227 [NCBI] |
Taxonomic lineagei | Eukaryota › Metazoa › Ecdysozoa › Arthropoda › Hexapoda › Insecta › Pterygota › Neoptera › Holometabola › Diptera › Brachycera › Muscomorpha › Ephydroidea › Drosophilidae › Drosophila › Sophophora › |
Proteomesi |
|
Organism-specific databases
FlyBasei | FBgn0015360, oxt |
Subcellular locationi
Endoplasmic reticulum
- Endoplasmic reticulum membrane By similarity; Single-pass type II membrane protein By similarity
Golgi apparatus
- Golgi apparatus membrane By similarity; Single-pass type II membrane protein By similarity
Endoplasmic reticulum
- endoplasmic reticulum membrane Source: UniProtKB-SubCell
Golgi apparatus
- Golgi membrane Source: UniProtKB-SubCell
Other locations
- integral component of membrane Source: UniProtKB
Topology
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Topological domaini | 1 – 14 | CytoplasmicSequence analysisAdd BLAST | 14 | |
Transmembranei | 15 – 35 | Helical; Signal-anchor for type II membrane proteinSequence analysisAdd BLAST | 21 | |
Topological domaini | 36 – 876 | LumenalSequence analysisAdd BLAST | 841 |
Keywords - Cellular componenti
Endoplasmic reticulum, Golgi apparatus, MembranePTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
ChainiPRO_0000191414 | 1 – 876 | Xylosyltransferase oxtAdd BLAST | 876 |
Amino acid modifications
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Disulfide bondi | 83 ↔ 111 | By similarity | ||
Disulfide bondi | 127 ↔ 465 | By similarity | ||
Glycosylationi | 131 | N-linked (GlcNAc...) asparagineSequence analysis | 1 | |
Glycosylationi | 135 | N-linked (GlcNAc...) asparagineSequence analysis | 1 | |
Glycosylationi | 342 | N-linked (GlcNAc...) asparagineSequence analysis | 1 | |
Disulfide bondi | 484 ↔ 497 | By similarity | ||
Disulfide bondi | 486 ↔ 495 | By similarity | ||
Glycosylationi | 696 | N-linked (GlcNAc...) asparagineSequence analysis | 1 | |
Glycosylationi | 725 | N-linked (GlcNAc...) asparagineSequence analysis | 1 | |
Disulfide bondi | 842 ↔ 855 | By similarity |
Keywords - PTMi
Disulfide bond, GlycoproteinProteomic databases
PaxDbi | Q7KVA1 |
PRIDEi | Q7KVA1 |
Expressioni
Gene expression databases
Bgeei | FBgn0015360, Expressed in embryo and 38 other tissues |
Genevisiblei | Q7KVA1, DM |
Interactioni
Protein-protein interaction databases
BioGRIDi | 63804, 1 interactor |
STRINGi | 7227.FBpp0072782 |
Family & Domainsi
Domains and Repeats
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Domaini | 134 – 228 | WSCPROSITE-ProRule annotationAdd BLAST | 95 |
Region
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Regioni | 312 – 314 | UDP-xylose bindingBy similarity | 3 | |
Regioni | 415 – 416 | UDP-xylose bindingBy similarity | 2 | |
Regioni | 522 – 523 | UDP-xylose bindingBy similarity | 2 |
Sequence similaritiesi
Keywords - Domaini
Signal-anchor, Transmembrane, Transmembrane helixPhylogenomic databases
eggNOGi | KOG0799, Eukaryota KOG4157, Eukaryota |
GeneTreei | ENSGT00940000169133 |
HOGENOMi | CLU_012840_1_0_1 |
InParanoidi | Q7KVA1 |
OMAi | AKEICGG |
OrthoDBi | 564384at2759 |
PhylomeDBi | Q7KVA1 |
Family and domain databases
InterProi | View protein in InterPro IPR003406, Glyco_trans_14 IPR002889, WSC_carb-bd IPR043538, XYLT IPR024448, XylT_C |
PANTHERi | PTHR46025, PTHR46025, 1 hit |
Pfami | View protein in Pfam PF02485, Branch, 1 hit PF01822, WSC, 1 hit PF12529, Xylo_C, 1 hit |
SMARTi | View protein in SMART SM00321, WSC, 1 hit |
PROSITEi | View protein in PROSITE PS51212, WSC, 1 hit |
i Sequence
Sequence statusi: Complete.
Q7KVA1-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MEQSVSARWL KRYRAFFLIL LLIVAIQLFL AYKSLDIVGG GSGSGFDAAE
60 70 80 90 100
APASPPPPHA QARVQPPART KLTAQQLGFQ PECDILAREA ISALQRAKTK
110 120 130 140 150
DCREHIAQIA CAIQAGRFYA PQLRSSCPAG NHTANVSLGC FKDEKDRRLL
160 170 180 190 200
AGYYSSSKTS NSPAKCVELC LQSGYPYAGV QYGRECFCGY DPPPKASKLP
210 220 230 240 250
DSSCNTKCLG NAKEICGGFY AMNIYETGIA KFTAQLAATT PSEETKRVRI
260 270 280 290 300
AFLLTLNGRA LRQVHRLLKA LYAPEHVYYI HVDERQDYLY RKLLELESKF
310 320 330 340 350
PNIRLARKRF STIWGGASLL TMLLQCMEDL LQSNWHWDFV INLSESDFPV
360 370 380 390 400
KTLDKLVDFL SANPGRNFVK GHGRETQKFI QKQGLDKTFV ECDTHMWRIG
410 420 430 440 450
DRKLPAGIQV DGGSDWVALS RPFVGYVTHP REDDELLQAL LKLFRHTLLP
460 470 480 490 500
AESFFHTVLR NTKHCTSYVD NNLHVTNWKR KQGCKCQYKH VVDWCGCSPN
510 520 530 540 550
DFKPEDWPRL QATEQKSLFF ARKFEPVINQ AVLLQLEEWL YGPYTSEYAN
560 570 580 590 600
LHGYWQSLYH HEDVHGSGDD LARSIGDSVM RLSARQAKLY PLELIELTHY
610 620 630 640 650
LHRDQYKGFL VRYRARGSTG KPLHLETRVR PTQQGKLARN ARFSKRLRNF
660 670 680 690 700
EVSTDFDQKE QIARNFGKLL GPQSDLLLSY TLQANADSGA ASHSYNLTLL
710 720 730 740 750
WIDPLGRLQD FNELHVEDST SDVINHSKTL LKHPITPGIW TAKLIGRNSI
760 770 780 790 800
YAQLKFLIAP LAYYKGYPLA KSSDAEALNA GLTVALPEDF EMPVEWQQHL
810 820 830 840 850
QTDDEQFTMR EESLAKGKML GQELHSWIDG LVGQFFQLRE SCVVEADSEV
860 870
SLPLCSDAPW SSLAPDPKSD VDALLK
Sequence cautioni
The sequence AAA75448 differs from that shown. Reason: Frameshift.Curated
Experimental Info
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Sequence conflicti | 590 | Y → D (Ref. 5) Curated | 1 |
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | AJ430595 mRNA Translation: CAD23246.1 AE014296 Genomic DNA Translation: AAF47625.1 AY069660 mRNA Translation: AAL39805.1 U32626 mRNA Translation: AAA75448.1 Frameshift. |
RefSeqi | NP_647705.1, NM_139448.4 |
Genome annotation databases
EnsemblMetazoai | FBtr0072904; FBpp0072782; FBgn0015360 |
GeneIDi | 38288 |
KEGGi | dme:Dmel_CG32300 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | AJ430595 mRNA Translation: CAD23246.1 AE014296 Genomic DNA Translation: AAF47625.1 AY069660 mRNA Translation: AAL39805.1 U32626 mRNA Translation: AAA75448.1 Frameshift. |
RefSeqi | NP_647705.1, NM_139448.4 |
3D structure databases
SMRi | Q7KVA1 |
ModBasei | Search... |
Protein-protein interaction databases
BioGRIDi | 63804, 1 interactor |
STRINGi | 7227.FBpp0072782 |
Protein family/group databases
CAZyi | GT14, Glycosyltransferase Family 14 |
Proteomic databases
PaxDbi | Q7KVA1 |
PRIDEi | Q7KVA1 |
Genome annotation databases
EnsemblMetazoai | FBtr0072904; FBpp0072782; FBgn0015360 |
GeneIDi | 38288 |
KEGGi | dme:Dmel_CG32300 |
Organism-specific databases
CTDi | 5020 |
FlyBasei | FBgn0015360, oxt |
Phylogenomic databases
eggNOGi | KOG0799, Eukaryota KOG4157, Eukaryota |
GeneTreei | ENSGT00940000169133 |
HOGENOMi | CLU_012840_1_0_1 |
InParanoidi | Q7KVA1 |
OMAi | AKEICGG |
OrthoDBi | 564384at2759 |
PhylomeDBi | Q7KVA1 |
Enzyme and pathway databases
UniPathwayi | UPA00755 UPA00756 |
Reactomei | R-DME-1971475, A tetrasaccharide linker sequence is required for GAG synthesis |
SignaLinki | Q7KVA1 |
Miscellaneous databases
BioGRID-ORCSi | 38288, 0 hits in 3 CRISPR screens |
ChiTaRSi | oxt, fly |
GenomeRNAii | 38288 |
PROi | PR:Q7KVA1 |
Gene expression databases
Bgeei | FBgn0015360, Expressed in embryo and 38 other tissues |
Genevisiblei | Q7KVA1, DM |
Family and domain databases
InterProi | View protein in InterPro IPR003406, Glyco_trans_14 IPR002889, WSC_carb-bd IPR043538, XYLT IPR024448, XylT_C |
PANTHERi | PTHR46025, PTHR46025, 1 hit |
Pfami | View protein in Pfam PF02485, Branch, 1 hit PF01822, WSC, 1 hit PF12529, Xylo_C, 1 hit |
SMARTi | View protein in SMART SM00321, WSC, 1 hit |
PROSITEi | View protein in PROSITE PS51212, WSC, 1 hit |
ProtoNeti | Search... |
MobiDBi | Search... |
Entry informationi
Entry namei | XYLT_DROME | |
Accessioni | Q7KVA1Primary (citable) accession number: Q7KVA1 Secondary accession number(s): Q24116, Q9W034, Q9W035 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | May 10, 2005 |
Last sequence update: | July 5, 2004 | |
Last modified: | December 2, 2020 | |
This is version 137 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Drosophila annotation project |
Miscellaneousi
Keywords - Technical termi
Reference proteomeDocuments
- Drosophila
Drosophila: entries, gene names and cross-references to FlyBase - PATHWAY comments
Index of metabolic and biosynthesis pathways - SIMILARITY comments
Index of protein domains and families