GT-CORE (public beta v1)

Glycosyltransferase Curated Online Resource for Enzymology

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

extl3.S

Xenopus laevis · Exostosin-like 3 (EC 2.4.1.223)

GT64Model organism · annotation ≥ 4Fold GT-ARetaining

External resources

Identification and annotation

CAZy familyGT64 · CAZy entry
Gene symbolextl3.S
Synonyms / alternate names
  • MGC80904
  • Glucuronyl-galactosyl-proteoglycan 4-alpha-N-acetylglucosaminyltransferase
  • Multiple exostosis-like protein 3
UniProt accessionQ6GNS9
NCBI Gene ID444275
Source speciesXenopus laevis
Taxonomic domainEukaryota
UniProt annotation level4

Function and localisation

Enzyme functionExostosin-like 3 (EC 2.4.1.223)
Subcellular location
  • Endoplasmic reticulum membrane
  • Golgi apparatus

Structure and mechanism

Fold typeGT-A
Catalytic mechanismRetaining
Cation dependenceYes (Mn2+)
Oligomeric statehomodimer
PDB structuresnot curated

Donor and acceptor specificity

Sugar nucleotide donorUDP-N-acetyl-alpha-D-glucosamine
Donor CCD code(s)UD1
Acceptor substrate(s)3-O-(beta-D-GlcA-(1->3)-beta-D-Gal-(1->3)-beta-D-Gal-(1->4)-beta-D-Xyl)-L-seryl-[protein]
Acceptor CCD / GlycoCTnot curated

Protein sequences

Full protein sequence

919 aa
MSGYTMLRNGGLGNGGQPWMLRWSSRIRLSWLSFTLFIILVFFPLIAHYYLTTIDDANDPDRRIFGPRTVNELCEVKHVQDLCRIRESVSEELLQLEAKRQELNSEIAKLNLKIEACKKNIENAKQDLLQLKNVIRQTEHSYKELMAQNQPKLSLPIRLLPETDDINIPLPKSKRNCGLHNCFDYSRCPLTSGFPVFVYNSDKYPFGNLIDPLIKQALEASVRNNVYVTENANTACIYVVLMGEMQEPVMPKPTELEEQLHSLPYWRTDGHNHLIINLSRKSETQNYLYNVSTGRAMIAQSTFYDLQYRPGFDIVVSPLVHAMSEPNFLEIPPQVPVKRKYLFSFQGEKIESLHSSLQEARSFEEEIEGNAPADYDDRIITTLKAVQDSKLDFVMVEFTCKNQAKPSLPTEWALCGEREDRLELLKQSTFALIITPGDSQLLISAGSAMRLFEALEVGAIPVILGEQVQLPYHDTIRWNEAVLILPKPRVTEVHFLLRSLSDNDLLSLRRQGRFLWETYFSTSDTVFNTILATIRTRIQIPAAPIKDEPAVEIPHRSGKAAGTDPNMADNGDLDLGPVETEPPYASPKYLRNFTLTAADIYRNWNTAPGPFHLFPHTPFDPLLPSEAKFLGSGTGFRPIGGGAGGSGKEFQAALGGNVPREQFTVVMLTYEREEVLMNSLERLNGLPYLNKVVVVWNSPKLPSEDLLWPDIGVPIVIVRTEKNSLNNRFLPWDQIETEAVLSIDDDAHLRHDEIMFGFRVWREARERIVGFPGRYHAWDIPHRSWLYNSNYSCELSMVLTGAAFFHKYYAYLYSYVMPQAIRDMVDEYINCEDIAMNFLVSHITRKPPIKVTSRWTFRCPGCPQALSHDDSHFHERHKCINFFVKVYGYMPLLYTQFRVDSVLFKTRLPHDKTKCFKFI

Catalytic domain sequence

309 aa
SGFPVFVYNSDKYPFGNLIDPLIKQALEASVRNNVYVTENANTACIYVVLMGEMQEPVMPKPTELEEQLHSLPYWRTDGHNHLIINLSRKSETQNYLYNVSTGRAMIAQSTFYDLQYRPGFDIVVSPLVHAMSEPNFLEIPPQVPVKRKYLFSFQGEKIESLHSSLQEARSFEEEIEGNAPADYDDRIITTLKAVQDSKLDFVMVEFTCKNQAKPSLPTEWALCGEREDRLELLKQSTFALIITPGDSQLLISAGSAMRLFEALEVGAIPVILGEQVQLPYHDTIRWNEAVLILPKPRVTEVHFLLRSL