GT-CORE (public beta v1)

Glycosyltransferase Curated Online Resource for Enzymology

Family-organised sequence, structure, mechanism and substrate-specificity records for the CAZy glycosyltransferases

B3GAT2

Homo sapiens · Galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase 2 (EC 2.4.1.135)

GT43Model organism · annotation ≥ 4Fold GT-AInverting1 PDB structure(s)

External resources

Identification and annotation

CAZy familyGT43 · CAZy entry
Gene symbolB3GAT2
Synonyms / alternate names
  • GLCATS
  • KIAA1963
  • Beta-1,3-glucuronyltransferase 2
  • GlcAT-D
  • UDP-glucuronosyltransferase S
UniProt accessionQ9NPZ5
NCBI Gene ID135152
Source speciesHomo sapiens
Taxonomic domainEukaryota
UniProt annotation level5

Function and localisation

Enzyme functionGalactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase 2 (EC 2.4.1.135)
Subcellular locationGolgi apparatus membrane

Structure and mechanism

Fold typeGT-A
Catalytic mechanismInverting
Cation dependenceYes (Mn2+)
Oligomeric statehomodimer
PDB structures2D0J

Donor and acceptor specificity

Sugar nucleotide donorUDP-alpha-D-glucuronate
Donor CCD code(s)UGA
Acceptor substrate(s)3-O-(beta-D-galactosyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-xylosyl)-L-seryl-[protein]
Acceptor CCD / GlycoCTnot curated

Protein sequences

Full protein sequence

323 aa
MKSALFTRFFILLPWILIVIIMLDVDTRRPVPPLTPRPYFSPYAVGRGGARLPLRRGGPAHGTQKRNQSRPQPQPEPQLPTIYAITPTYSRPVQKAELTRLANTFRQVAQLHWILVEDAAARSELVSRFLARAGLPSTHLHVPTPRRYKRPGLPRATEQRNAGLAWLRQRHQHQRAQPGVLFFADDDNTYSLELFQEMRTTRKVSVWPVGLVGGRRYERPLVENGKVVGWYTGWRADRPFAIDMAGFAVSLQVILSNPKAVFKRRGSQPGMQESDFLKQITTVEELEPKANNCTKVLVWHTRTEKVNLANEPKYHLDTVKIEV

Catalytic domain sequence

225 aa
TIYAITPTYSRPVQKAELTRLANTFRQVAQLHWILVEDAAARSELVSRFLARAGLPSTHLHVPTPRRYKRPGLPRATEQRNAGLAWLRQRHQHQRAQPGVLFFADDDNTYSLELFQEMRTTRKVSVWPVGLVGGRRYERPLVENGKVVGWYTGWRADRPFAIDMAGFAVSLQVILSNPKAVFKRRGSQPGMQESDFLKQITTVEELEPKANNCTKVLVWHTRTEK