GT-CORE (public beta v1)

Glycosyltransferase Curated Online Resource for Enzymology

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

GYG1

Homo sapiens · Glycogenin-1 (EC 2.4.1.186)

GT8Model organism · annotation ≥ 4Fold GT-ARetaining23 PDB structure(s)

External resources

Identification and annotation

CAZy familyGT8 · CAZy entry
Gene symbolGYG1
Synonyms / alternate namesGYG
UniProt accessionP46976
NCBI Gene ID2992
Source speciesHomo sapiens
Taxonomic domainEukaryota
UniProt annotation level5

Function and localisation

Enzyme functionGlycogenin-1 (EC 2.4.1.186)
Subcellular location
  • Cytoplasm
  • Nucleus

Structure and mechanism

Fold typeGT-A
Catalytic mechanismRetaining
Cation dependenceYes (Mn2+)
Oligomeric statetetramer
PDB structures3Q4S, 3QVB, 3RMV, 3RMW, 3T7M, 3T7N, 3T7O, 3U2T, 3U2U, 3U2V, 3U2W, 3U2X, 6EQJ, 6EQL, 7OVX, 7Q0B, 7Q0S, 7Q12, 7Q13, 7ZBN, 8CVX, 8CVY, 8CVZ

Donor and acceptor specificity

Sugar nucleotide donorUDP-alpha-D-glucose
Donor CCD code(s)UPG
Acceptor substrate(s)
  • L-tyrosyl-[glycogenin]
  • [1,4-alpha-D-glucosyl](n)-L-tyrosyl-[glycogenin]
Acceptor CCD / GlycoCTnot curated

Protein sequences

Full protein sequence

350 aa
MTDQAFVTLTTNDAYAKGALVLGSSLKQHRTTRRLVVLATPQVSDSMRKVLETVFDEVIMVDVLDSGDSAHLTLMKRPELGVTLTKLHCWSLTQYSKCVFMDADTLVLANIDDLFDREELSAAPDPGWPDCFNSGVFVYQPSVETYNQLLHLASEQGSFDGGDQGILNTFFSSWATTDIRKHLPFIYNLSSISIYSYLPAFKVFGASAKVVHFLGRVKPWNYTYDPKTKSVKSEAHDPNMTHPEFLILWWNIFTTNVLPLLQQFGLVKDTCSYVNVLSDLVYTLAFSCGFCRKEDVSGAISHLSLGEIPAMAQPFVSSEERKERWEQGQADYMGADSFDNIKRKLDTYLQ

Catalytic domain sequence

216 aa
VTLTTNDAYAKGALVLGSSLKQHRTTRRLVVLATPQVSDSMRKVLETVFDEVIMVDVLDSGDSAHLTLMKRPELGVTLTKLHCWSLTQYSKCVFMDADTLVLANIDDLFDREELSAAPDPGWPDCFNSGVFVYQPSVETYNQLLHLASEQGSFDGGDQGILNTFFSSWATTDIRKHLPFIYNLSSISIYSYLPAFKVFGASAKVVHFLGRVKPWNY