UniProtKB - Q5RH51 (XYLK_DANRE)
Protein
Glycosaminoglycan xylosylkinase
Gene
fam20b
Organism
Danio rerio (Zebrafish) (Brachydanio rerio)
Status
Functioni
Responsible for the 2-O-phosphorylation of xylose in the glycosaminoglycan-protein linkage region of proteoglycans thereby regulating the amount of mature GAG chains. Sulfated glycosaminoglycans (GAGs), including heparan sulfate and chondroitin sulfate, are synthesized on the so-called common GAG-protein linkage region (GlcUAbeta1-3Galbeta1-3Galbeta1-4Xylbeta1-O-Ser) of core proteins, which is formed by the stepwise addition of monosaccharide residues by the respective specific glycosyltransferases (By similarity).By similarity
Catalytic activityi
Cofactori
Mn2+By similarity
Sites
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Binding sitei | 107 | ATP; via amide nitrogenBy similarity | 1 | |
Binding sitei | 123 | ATPBy similarity | 1 | |
Metal bindingi | 142 | ManganeseBy similarity | 1 | |
Active sitei | 289 | By similarity | 1 | |
Binding sitei | 294 | ATPBy similarity | 1 | |
Metal bindingi | 309 | ManganeseBy similarity | 1 | |
Binding sitei | 309 | ATPBy similarity | 1 |
Regions
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Nucleotide bindingi | 222 – 225 | ATPBy similarity | 4 |
GO - Molecular functioni
- ATP binding Source: UniProtKB-KW
- kinase activity Source: UniProtKB-KW
- metal ion binding Source: UniProtKB-KW
- phosphotransferase activity, alcohol group as acceptor Source: GO_Central
GO - Biological processi
- embryonic cranial skeleton morphogenesis Source: ZFIN
- proteoglycan biosynthetic process Source: ZFIN
Keywordsi
Molecular function | Kinase, Transferase |
Ligand | ATP-binding, Manganese, Metal-binding, Nucleotide-binding |
Names & Taxonomyi
Protein namesi | Recommended name: Glycosaminoglycan xylosylkinaseBy similarity (EC:2.7.1.-By similarity)Alternative name(s): Xylose kinaseBy similarity |
Gene namesi | Name:fam20bImported ORF Names:si:ch211-195o19.3 |
Organismi | Danio rerio (Zebrafish) (Brachydanio rerio) |
Taxonomic identifieri | 7955 [NCBI] |
Taxonomic lineagei | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Actinopterygii › Neopterygii › Teleostei › Ostariophysi › Cypriniformes › Danionidae › Danioninae › Danio |
Proteomesi |
|
Organism-specific databases
ZFINi | ZDB-GENE-040724-125, fam20b |
Subcellular locationi
Golgi apparatus
- Golgi apparatus membrane By similarity; Single-pass type II membrane protein By similarity
Golgi apparatus
- Golgi apparatus Source: UniProtKB
- Golgi membrane Source: UniProtKB-SubCell
Other locations
- integral component of membrane Source: UniProtKB-KW
Topology
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Topological domaini | 1 – 6 | CytoplasmicSequence analysis | 6 | |
Transmembranei | 7 – 25 | Helical; Signal-anchor for type II membrane proteinSequence analysisAdd BLAST | 19 | |
Topological domaini | 26 – 409 | LumenalSequence analysisAdd BLAST | 384 |
Keywords - Cellular componenti
Golgi apparatus, MembranePTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
ChainiPRO_0000408367 | 1 – 409 | Glycosaminoglycan xylosylkinaseAdd BLAST | 409 |
Amino acid modifications
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Glycosylationi | 193 | N-linked (GlcNAc...) asparagineSequence analysis | 1 | |
Disulfide bondi | 196 ↔ 211 | By similarity | ||
Disulfide bondi | 201 ↔ 204 | By similarity | ||
Disulfide bondi | 257 ↔ 331 | By similarity | ||
Disulfide bondi | 332 ↔ 389 | By similarity |
Keywords - PTMi
Disulfide bond, GlycoproteinProteomic databases
PaxDbi | Q5RH51 |
Expressioni
Gene expression databases
Bgeei | ENSDARG00000008573, Expressed in muscle organ and 37 other tissues |
ExpressionAtlasi | Q5RH51, baseline |
Family & Domainsi
Sequence similaritiesi
Belongs to the FAM20 family.Curated
Keywords - Domaini
Signal-anchor, Transmembrane, Transmembrane helixPhylogenomic databases
eggNOGi | KOG3829, Eukaryota |
GeneTreei | ENSGT00950000182951 |
HOGENOMi | CLU_028926_1_1_1 |
InParanoidi | Q5RH51 |
OMAi | PYDAGPR |
OrthoDBi | 484324at2759 |
PhylomeDBi | Q5RH51 |
TreeFami | TF313276 |
Family and domain databases
InterProi | View protein in InterPro IPR024869, FAM20 IPR009581, FAM20_C |
PANTHERi | PTHR12450, PTHR12450, 1 hit |
Pfami | View protein in Pfam PF06702, Fam20C, 1 hit |
(1+)i Sequence
Sequence statusi: Complete.
This entry has 1 described isoform and 4 potential isoforms that are computationally mapped.Show allAlign All
Q5RH51-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MKLKQRVVVL CAVLFLLGLA KVFLLDGGEG SAASRRDLRA FRKMEASLSL
60 70 80 90 100
AKGARLTHTL QSPWEVAAQW VGPREVYPDE TPELAAVLNA LATAHVERAD
110 120 130 140 150
VGYKGTQLKA LLVLDGGQKV VFKPKRYVRD YVVEGEPYAG YDRHNAEIAA
160 170 180 190 200
FHLDRILGFR RAPLVVGRFM NLRTEIKPVA TDQLLSTFLM HGNNTCFYGK
210 220 230 240 250
CYYCRETEPA CAEGDVMEGS VTLWLPDVWP LQKHRHPWGR TYREGKLARW
260 270 280 290 300
EYDESYCEAV KKMPPYDAGP RLLDVIDTSI FDYLIGNADR HHYESFQDDG
310 320 330 340 350
GASMLILLDN AKSFGNPSLD ERSILAPLYQ CCMVRVSTWN RLNLLKGGVL
360 370 380 390 400
SSAMRQATAH DPAFPVLTGA HLTALDRRLN GVLATVRQCM ETQGSENTLI
EDRMNLPHP
Computationally mapped potential isoform sequencesi
There are 4 potential isoforms mapped to this entry.BLASTAlignShow allAdd to basketR4GEQ5 | R4GEQ5_DANRE | Glycosaminoglycan xylosylkinase | fam20b | 153 | Annotation score: | ||
R4GDT1 | R4GDT1_DANRE | Glycosaminoglycan xylosylkinase | fam20b | 124 | Annotation score: | ||
R4GE25 | R4GE25_DANRE | Glycosaminoglycan xylosylkinase | fam20b | 119 | Annotation score: | ||
R4GEK4 | R4GEK4_DANRE | Glycosaminoglycan xylosylkinase | fam20b | 105 | Annotation score: |
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | BX571854 Genomic DNA Translation: CAI11712.1 BC115339 mRNA Translation: AAI15340.1 |
RefSeqi | NP_001038283.1, NM_001044818.1 XP_005160477.1, XM_005160420.3 XP_009292888.1, XM_009294613.2 XP_009292889.1, XM_009294614.2 |
Genome annotation databases
Ensembli | ENSDART00000013453; ENSDARP00000018976; ENSDARG00000008573 ENSDART00000189421; ENSDARP00000146564; ENSDARG00000008573 |
GeneIDi | 557060 |
KEGGi | dre:557060 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | BX571854 Genomic DNA Translation: CAI11712.1 BC115339 mRNA Translation: AAI15340.1 |
RefSeqi | NP_001038283.1, NM_001044818.1 XP_005160477.1, XM_005160420.3 XP_009292888.1, XM_009294613.2 XP_009292889.1, XM_009294614.2 |
3D structure databases
SMRi | Q5RH51 |
ModBasei | Search... |
Protein-protein interaction databases
STRINGi | 7955.ENSDARP00000018976 |
Proteomic databases
PaxDbi | Q5RH51 |
Genome annotation databases
Ensembli | ENSDART00000013453; ENSDARP00000018976; ENSDARG00000008573 ENSDART00000189421; ENSDARP00000146564; ENSDARG00000008573 |
GeneIDi | 557060 |
KEGGi | dre:557060 |
Organism-specific databases
CTDi | 9917 |
ZFINi | ZDB-GENE-040724-125, fam20b |
Phylogenomic databases
eggNOGi | KOG3829, Eukaryota |
GeneTreei | ENSGT00950000182951 |
HOGENOMi | CLU_028926_1_1_1 |
InParanoidi | Q5RH51 |
OMAi | PYDAGPR |
OrthoDBi | 484324at2759 |
PhylomeDBi | Q5RH51 |
TreeFami | TF313276 |
Miscellaneous databases
PROi | PR:Q5RH51 |
Gene expression databases
Bgeei | ENSDARG00000008573, Expressed in muscle organ and 37 other tissues |
ExpressionAtlasi | Q5RH51, baseline |
Family and domain databases
InterProi | View protein in InterPro IPR024869, FAM20 IPR009581, FAM20_C |
PANTHERi | PTHR12450, PTHR12450, 1 hit |
Pfami | View protein in Pfam PF06702, Fam20C, 1 hit |
ProtoNeti | Search... |
MobiDBi | Search... |
Entry informationi
Entry namei | XYLK_DANRE | |
Accessioni | Q5RH51Primary (citable) accession number: Q5RH51 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | May 3, 2011 |
Last sequence update: | December 21, 2004 | |
Last modified: | December 2, 2020 | |
This is version 93 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Chordata Protein Annotation Program |
Miscellaneousi
Keywords - Technical termi
Reference proteomeDocuments
- SIMILARITY comments
Index of protein domains and families