GT-CORE (public beta v1)

Glycosyltransferase Curated Online Resource for Enzymology

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

XNOV1_A000468

Xyrichtys novacula · 2-hydroxyacylsphingosine 1-beta-galactosyltransferase (EC 2.4.1.47)

GT1Non-model organism · annotation 4–5Fold GT-BInverting

External resources

Identification and annotation

CAZy familyGT1 · CAZy entry
Gene symbolXNOV1_A000468
Synonyms / alternate names
  • Ceramide UDP-galactosyltransferase
  • Cerebroside synthase
  • UDP-galactose-ceramide galactosyltransferase
UniProt accessionA0AAV1EU92
NCBI Gene IDnot curated
Source speciesXyrichtys novacula
Taxonomic domainEukaryota
UniProt annotation level4

Function and localisation

Enzyme function2-hydroxyacylsphingosine 1-beta-galactosyltransferase (EC 2.4.1.47)
Subcellular location
  • Endoplasmic reticulum
  • Membrane

Structure and mechanism

Fold typeGT-B
Catalytic mechanismInverting
Cation dependenceNo
Oligomeric statenot curated
PDB structuresnot curated

Donor and acceptor specificity

Sugar nucleotide donorUDP-alpha-D-galactose
Donor CCD code(s)GDU
Acceptor substrate(s)
  • N-(2-hydroxy-hexanoyl)-sphing-4-enine
  • N-(2-hydroxy-hexanoyl)-sphinganine
  • an N-acyl-sphingoid base
  • an N-acylsphing-4-enine
Acceptor CCD / GlycoCTnot curated

Protein sequences

Full protein sequence

550 aa
MLLPSSLLLLLGLLTWSPSAAWAGKVIVVPPIMFESHLYIFKTLATALNQEGHETHFLISEGREVPPSPHYHLQRYPGIFNSTTADNFLQSKVSNIFSGRLTFLELFDILDHYSQNCDAVVGNAEVMTRLKEAKFDLLLVDPNEMCGFVIAHILGVKYAVFSTGLWYPAEAGAPAPLSYVPEFNSLLTDRMSLLQRITNTAVYLVQRFGVHYIALPKYDRIMKKHGVKPQVAMADLVQGSRLWMLCTDMALEFPRPTLPHVVYIGGILTKPPNPLPQDFEAWVNDTAEHGFVVVSFGAGVKYLSHDIAHKLAGALARLPQRVVWRFSGVPPSNLGNNTKLVDWMPQNDLLGHANIRAFLSHGGLNSIYEAMYHGVPVVGVPLFGDHYDTMTRVAAKGMGIMLHWKYMSEEDLYTALTSVIKDNKYRQQAHILSNIHKDQPGHPVTRAVYWISYILRHHGANHLRSAVYEISPYQYFLVDVVLTVGATLALIVFALKWLGRLLRGNTEDQGRVGSVDRDDSNIANGNCHSESMPNGKHKRNGSLKNEKKIN

Catalytic domain sequence

470 aa
GKVIVVPPIMFESHLYIFKTLATALNQEGHETHFLISEGREVPPSPHYHLQRYPGIFNSTTADNFLQSKVSNIFSGRLTFLELFDILDHYSQNCDAVVGNAEVMTRLKEAKFDLLLVDPNEMCGFVIAHILGVKYAVFSTGLWYPAEAGAPAPLSYVPEFNSLLTDRMSLLQRITNTAVYLVQRFGVHYIALPKYDRIMKKHGVKPQVAMADLVQGSRLWMLCTDMALEFPRPTLPHVVYIGGILTKPPNPLPQDFEAWVNDTAEHGFVVVSFGAGVKYLSHDIAHKLAGALARLPQRVVWRFSGVPPSNLGNNTKLVDWMPQNDLLGHANIRAFLSHGGLNSIYEAMYHGVPVVGVPLFGDHYDTMTRVAAKGMGIMLHWKYMSEEDLYTALTSVIKDNKYRQQAHILSNIHKDQPGHPVTRAVYWISYILRHHGANHLRSAVYEISPYQYFLVDVVLTVGATLALIVF