GT-CORE (public beta v1)

Glycosyltransferase Curated Online Resource for Enzymology

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

St3gal6

Mus musculus · Type 2 lactosamine alpha-2,3-sialyltransferase (EC 2.4.3.6)

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

External resources

Identification and annotation

CAZy familyGT29 · CAZy entry
Gene symbolSt3gal6
Synonyms / alternate names
  • Siat10
  • CMP-NeuAc:beta-galactoside alpha-2,3-sialyltransferase VI
  • ST3Gal VI
  • Sialyltransferase 10
UniProt accessionQ8VIB3
NCBI Gene ID54613
Source speciesMus musculus
Taxonomic domainEukaryota
UniProt annotation level4

Function and localisation

Enzyme functionType 2 lactosamine alpha-2,3-sialyltransferase (EC 2.4.3.6)
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 neolactoside nLc4Cer(d18:1(4E))
  • a beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosaminyl derivative
  • a neolactoside nLc6Cer(d18:1(4E))
Acceptor CCD / GlycoCTnot curated

Protein sequences

Full protein sequence

329 aa
MKGYLVAIFLSSIFLYYVLYCILWGTNGYWFPAEEMRTRNNVNNCFKKPAFANLLRFPQLYPFLCRADFIKVAAMSGTNNFPLPYGIKTFETYFSSALSKLQSCDLFDEFDRVPCKRCVVVGNGGVLKNKTLGATIDSYDVIIRMNNGPVLGHEEEVGTRTTFRLFYPESVFSDSSHYDPNTTAVLVVFKPQDLRWLVEILLGKKINTQGFWKTPALKLIYKQYQIRILDPYITSEAAFQMLRFPRVFPKDQKPKHPTTGIIAITMAFHICSEVHLAGFKYNFYSPNSPLHYYGNATMSLMKQNAYHNLTAEQLFLNDIIKKKMVINLT

Catalytic domain sequence

245 aa
NNFPLPYGIKTFETYFSSALSKLQSCDLFDEFDRVPCKRCVVVGNGGVLKNKTLGATIDSYDVIIRMNNGPVLGHEEEVGTRTTFRLFYPESVFSDSSHYDPNTTAVLVVFKPQDLRWLVEILLGKKINTQGFWKTPALKLIYKQYQIRILDPYITSEAAFQMLRFPRVFPKDQKPKHPTTGIIAITMAFHICSEVHLAGFKYNFYSPNSPLHYYGNATMSLMKQNAYHNLTAEQLFLNDIIKKK