GT-CORE (public beta v1)

Glycosyltransferase Curated Online Resource for Enzymology

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

HAS1

Homo sapiens · Hyaluronan synthase 1 (EC 2.4.1.212)

GT2Model organism · annotation ≥ 4Fold GT-AInverting

External resources

Identification and annotation

CAZy familyGT2 · CAZy entry
Gene symbolHAS1
Synonyms / alternate names
  • HAS
  • Hyaluronate synthase 1
  • Hyaluronic acid synthase 1
UniProt accessionQ92839
NCBI Gene ID3036
Source speciesHomo sapiens
Taxonomic domainEukaryota
UniProt annotation level5

Function and localisation

Enzyme functionHyaluronan synthase 1 (EC 2.4.1.212)
Subcellular locationMembrane

Structure and mechanism

Fold typeGT-A
Catalytic mechanismInverting
Cation dependenceYes (Mg2+)
Oligomeric statenot curated
PDB structuresnot curated

Donor and acceptor specificity

Sugar nucleotide donor
  • UDP-N-acetyl-alpha-D-glucosamine
  • UDP-alpha-D-glucuronate
Donor CCD code(s)UD1, UGA
Acceptor substrate(s)
  • [hyaluronan](n)
  • N-acetyl-beta-D-glucosaminyl-(1->4)-[hyaluronan](n)
Acceptor CCD / GlycoCTnot curated

Protein sequences

Full protein sequence

577 aa
MRQDAPKPTPAACRCSGLARRVLTIAFALLILGLMTWAYAAGVPLASDRYGLLAFGLYGAFLSAHLVAQSLFAYLEHRRVAAAARGPLDAATARSVALTISAYQEDPAYLRQCLASARALLYPRARLRVLMVVDGNRAEDLYMVDMFREVFADEDPATYVWDGNYHQPWEPAAAGAVGAGAYREVEAEDPGRLAVEALVRTRRCVCVAQRWGGKREVMYTAFKALGDSVDYVQVCDSDTRLDPMALLELVRVLDEDPRVGAVGGDVRILNPLDSWVSFLSSLRYWVAFNVERACQSYFHCVSCISGPLGLYRNNLLQQFLEAWYNQKFLGTHCTFGDDRHLTNRMLSMGYATKYTSRSRCYSETPSSFLRWLSQQTRWSKSYFREWLYNALWWHRHHAWMTYEAVVSGLFPFFVAATVLRLFYAGRPWALLWVLLCVQGVALAKAAFAAWLRGCLRMVLLSLYAPLYMCGLLPAKFLALVTMNQSGWGTSGRRKLAANYVPLLPLALWALLLLGGLVRSVAHEARADWSGPSRAAEAYHLAAGAGAYVGYWVAMLTLYWVGVRRLCRRRTGGYRVQV

Catalytic domain sequence

177 aa
RCVCVAQRWGGKREVMYTAFKALGDSVDYVQVCDSDTRLDPMALLELVRVLDEDPRVGAVGGDVRILNPLDSWVSFLSSLRYWVAFNVERACQSYFHCVSCISGPLGLYRNNLLQQFLEAWYNQKFLGTHCTFGDDRHLTNRMLSMGYATKYTSRSRCYSETPSSFLRWLSQQTRWS