GT-CORE (public beta v1)

Glycosyltransferase Curated Online Resource for Enzymology

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

B3galt1

Mus musculus · Beta-1,3-galactosyltransferase 1 (EC 2.4.1.86)

GT31Non-model organism · annotation 4–5Fold GT-AInverting

External resources

Identification and annotation

CAZy familyGT31 · CAZy entry
Gene symbolB3galt1
Synonyms / alternate names
  • UDP-Gal:betaGlcNAc beta 1,3-galactosyltransferase-I
  • UDP-galactose:beta-N-acetyl-glucosamine-beta-1,3-galactosyltransferase 1
UniProt accessionO54904
NCBI Gene ID26877
Source speciesMus musculus
Taxonomic domainEukaryota
UniProt annotation level5

Function and localisation

Enzyme functionBeta-1,3-galactosyltransferase 1 (EC 2.4.1.86)
Subcellular locationGolgi apparatus membrane

Structure and mechanism

Fold typeGT-A
Catalytic mechanismInverting
Cation dependenceYes (Mn2+)
Oligomeric statenot curated
PDB structuresnot curated

Donor and acceptor specificity

Sugar nucleotide donorUDP-alpha-D-galactose
Donor CCD code(s)GDU
Acceptor substrate(s)
  • an N-acetyl-beta-D-glucosaminyl derivative
  • a beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1)-Cer(d18:1(4E))
Acceptor CCD / GlycoCTnot curated

Protein sequences

Full protein sequence

326 aa
MASKVSCLYVLTVVCWASALWYLSITRPTSSYTGSKPFSHLTVARKNFTFGNIRTRPINPHSFEFLINEPNKCEKNIPFLVILISTTHKEFDARQAIRETWGDENNFKGIKIATLFLLGKNADPVLNQMVEQESQIFHDIIVEDFIDSYHNLTLKTLMGMRWVATFCSKAKYVMKTDSDIFVNMDNLIYKLLKPSTKPRRRYFTGYVINGGPIRDVRSKWYMPRDLYPDSNYPPFCSGTGYIFSADVAELIYKTSLHTRLLHLEDVYVGLCLRKLGIHPFQNSGFNHWKMAYSLCRYRRVITVHQISPEEMHRIWNDMSSKKHLRC

Catalytic domain sequence

189 aa
ARQAIRETWGDENNFKGIKIATLFLLGKNADPVLNQMVEQESQIFHDIIVEDFIDSYHNLTLKTLMGMRWVATFCSKAKYVMKTDSDIFVNMDNLIYKLLKPSTKPRRRYFTGYVINGGPIRDVRSKWYMPRDLYPDSNYPPFCSGTGYIFSADVAELIYKTSLHTRLLHLEDVYVGLCLRKLGIHPFQ