GT-CORE (public beta v1)

Glycosyltransferase Curated Online Resource for Enzymology

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

HAS2

Bos taurus · Hyaluronan synthase 2 (EC 2.4.1.212)

GT2Non-model organism · annotation 4–5Fold GT-AInverting

External resources

Identification and annotation

CAZy familyGT2 · CAZy entry
Gene symbolHAS2
Synonyms / alternate names
  • Hyaluronate synthase 2
  • Hyaluronic acid synthase 2
UniProt accessionO97711
NCBI Gene ID281220
Source speciesBos taurus
Taxonomic domainEukaryota
UniProt annotation level5

Function and localisation

Enzyme functionHyaluronan synthase 2 (EC 2.4.1.212)
Subcellular location
  • Cell membrane
  • Endoplasmic reticulum membrane
  • Vesicle
  • Golgi apparatus membrane
  • Lysosome

Structure and mechanism

Fold typeGT-A
Catalytic mechanismInverting
Cation dependenceYes (Mg2+)
Oligomeric statehomodimer
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

552 aa
MHCERFLCILRIIGTTLFGVSLLLGITAAYIVGYQFIQTDNYYFSFGLYGAFLASHLIIQSLFAFLEHRKMKKSLETPIKLNKTVALCIAAYQEDPDYLRKCLQSVKRLTYPGIKVVMVIDGNSEDDLYMMDIFSEVMGRDKSATYIWKNNYHVKGPGETDESHKESSQHVTQLVLSNKSICTMQKWGGKREVMYTAFRALGRSVDYVQVCDSDTMLDPASSVEMVKVLEEDPMVGGVGGDVQILNKYDSWISFLSSVRYWMAFNIERACQSYFGCVQCISGPLGMYRNSLLHEFVEDWYNQEFMGSQCSFGDDRHLTNRVLSLGYATKYTARSKCLTETPIEYLRWLNQQTRWSKSYFREWLYNAMWFHKHHLWMTYEAVITGFFPFFLIATVIQLFYRGKIWNTLLFLLTVQLVGLIKSSFASCLRGNIVMVFMSLYSVLYMSSLLPAKMFAIATINKAGWGTSGRKTIVVNFIGLIPVSVWFTILLGGVIFTIYKESKKPFSESKQTVLIVGTLLYACYWVMLLTLYVVLINKCGRRKKGQQYDMVLDV

Catalytic domain sequence

278 aa
TVALCIAAYQEDPDYLRKCLQSVKRLTYPGIKVVMVIDGNSEDDLYMMDIFSEVMGRDKSATYIWKNNYHVKGPGETDESHKESSQHVTQLVLSNKSICTMQKWGGKREVMYTAFRALGRSVDYVQVCDSDTMLDPASSVEMVKVLEEDPMVGGVGGDVQILNKYDSWISFLSSVRYWMAFNIERACQSYFGCVQCISGPLGMYRNSLLHEFVEDWYNQEFMGSQCSFGDDRHLTNRVLSLGYATKYTARSKCLTETPIEYLRWLNQQTRWSKSYFRE