GT-CORE (public beta v1)

Glycosyltransferase Curated Online Resource for Enzymology

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

Q99MD1

Cricetulus griseus · Ceramide glucosyltransferase (EC 2.4.1.80)

GT21Non-model organism · annotation 4–5Fold GT-AInverting

External resources

Identification and annotation

CAZy familyGT21 · CAZy entry
Gene symbolnot curated
Synonyms / alternate names
  • GLCT-1
  • Glucosylceramide synthase
  • Glycosylceramide synthase
  • UDP-glucose ceramide glucosyltransferase
  • UDP-glucose:N-acylsphingosine D-glucosyltransferase
UniProt accessionQ99MD1
NCBI Gene ID100689432
Source speciesCricetulus griseus
Taxonomic domainEukaryota
UniProt annotation level4

Function and localisation

Enzyme functionCeramide glucosyltransferase (EC 2.4.1.80)
Subcellular locationGolgi apparatus membrane

Structure and mechanism

Fold typeGT-A
Catalytic mechanismInverting
Cation dependenceNo
Oligomeric stateInteracts with RTN1; regulates the ceramide glucosyltransfer
PDB structuresnot curated

Donor and acceptor specificity

Sugar nucleotide donor
  • UDP-alpha-D-xylose
  • UDP-alpha-D-glucose
Donor CCD code(s)UDX, UPG
Acceptor substrate(s)
  • N-(9Z-octadecenoyl)-sphing-4-enine
  • an N-acylsphing-4-enine
Acceptor CCD / GlycoCTnot curated

Protein sequences

Full protein sequence

394 aa
MALLDLAQEGMALFGFVLFVVLWLMHFMSIIYTRLHLNKKATDKQPYSKLPGVSLLKPLKGVDPNLINNLETFFELDYPKYEVLLCVQDHDDPAIDVCKKLLGKYPNVDARLFIGGKKVGINPKINNLMPGYEVAKYDLIWICDSGIRVIPDTLTDMVNQMTEKVGLVHGLPYVADRQGFAATLEQVYFGTSHPRSYISANVTGFKCVTGMSCLMRKDVLDQAGGLIAFAQYIAEDYFMAKAIADRGWRFAMSTQVAMQNSGSYSISQFQSRMIRWTKLRINMLPATIICEPISECFVASLIIGWAAHHVFRWDIMVFFMCHCLAWFIFDYIQLRGVQGGTLCFSKLDYAVAWFIRESMTIYIFLSALWDPTISWRTGRYRLRCGGTAEEILDV

Catalytic domain sequence

367 aa
VLWLMHFMSIIYTRLHLNKKATDKQPYSKLPGVSLLKPLKGVDPNLINNLETFFELDYPKYEVLLCVQDHDDPAIDVCKKLLGKYPNVDARLFIGGKKVGINPKINNLMPGYEVAKYDLIWICDSGIRVIPDTLTDMVNQMTEKVGLVHGLPYVADRQGFAATLEQVYFGTSHPRSYISANVTGFKCVTGMSCLMRKDVLDQAGGLIAFAQYIAEDYFMAKAIADRGWRFAMSTQVAMQNSGSYSISQFQSRMIRWTKLRINMLPATIICEPISECFVASLIIGWAAHHVFRWDIMVFFMCHCLAWFIFDYIQLRGVQGGTLCFSKLDYAVAWFIRESMTIYIFLSALWDPTISWRTGRYRLRCGGT