GT-CORE (public beta v1)

Glycosyltransferase Curated Online Resource for Enzymology

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

St8sia5

Mus musculus · Alpha-2,8-sialyltransferase 8E (EC 2.4.99.-)

GT29Non-model organism · annotation 4–5Fold GT-AInverting

External resources

Identification and annotation

CAZy familyGT29 · CAZy entry
Gene symbolSt8sia5
Synonyms / alternate names
  • Siat8e
  • St8siav
  • Sialyltransferase 8E
  • Sialyltransferase St8Sia V
UniProt accessionP70126
NCBI Gene ID225742
Source speciesMus musculus
Taxonomic domainEukaryota
UniProt annotation level5

Function and localisation

Enzyme functionAlpha-2,8-sialyltransferase 8E (EC 2.4.99.-)
Subcellular locationGolgi apparatus membrane

Structure and mechanism

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

Donor and acceptor specificity

Sugar nucleotide donorCMP-N-acetyl-beta-neuraminate
Donor CCD code(s)NCC
Acceptor substrate(s)
  • a ganglioside GT1b (d18:1(4E))
  • a ganglioside GD3 (d18:1(4E))
  • a ganglioside GD1a (d18:1(4E))
  • a ganglioside GM1b (d18:1(4E))
  • a ganglioside GQ1c (d18:1(4E))
Acceptor CCD / GlycoCTnot curated

Protein sequences

Full protein sequence

412 aa
MRYADPSANRDLLGNRTLLFIFICAFALVTLLQQILYSKSYIKRGFQFGWQRGDQQANWTGLFNDSDSPTEQNITGSSSRYFEFYKEPLEFNSTRCLELRQEILEVKVLSMVKQSELFERWKSLQICKWAMDTAEASLFKSTLSRCCNAPSFLFTTQKNTPVETNLRYEVESSGLYHIDQEIFKMFPKEMPYYRSQFKKCAVVGNGGILKNSGCGKEINSADFVFRCNLPPISGIYTTDVGEKTDVVTVNPSIIIDRFHKLEKWRRPFFSVLQRYENASVLLPAFYNVRNTLVSFRVKYMLDDFQSRQPVYFFHPQYLSSVSRYWLSLGVRARRISTGLILVTAALELCEEVHLFGFWAFPMNPSGFFITHHYYDNVKPKPGFHAMPSEIFTFLRMHSRGILRVHTGTCNCC

Catalytic domain sequence

248 aa
FTTQKNTPVETNLRYEVESSGLYHIDQEIFKMFPKEMPYYRSQFKKCAVVGNGGILKNSGCGKEINSADFVFRCNLPPISGIYTTDVGEKTDVVTVNPSIIIDRFHKLEKWRRPFFSVLQRYENASVLLPAFYNVRNTLVSFRVKYMLDDFQSRQPVYFFHPQYLSSVSRYWLSLGVRARRISTGLILVTAALELCEEVHLFGFWAFPMNPSGFFITHHYYDNVKPKPGFHAMPSEIFTFLRMHSRGI