GT-CORE (public beta v1)

Glycosyltransferase Curated Online Resource for Enzymology

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

ttv

Drosophila melanogaster · Exostosin-1 (EC 2.4.1.224; 2.4.1.225)

GT64Model organism · annotation ≥ 4Fold GT-ARetaining

External resources

Identification and annotation

CAZy familyGT64 · CAZy entry
Gene symbolttv
Synonyms / alternate names
  • DEXT1
  • Protein tout-velu
UniProt accessionQ9V730
NCBI Gene ID36614
Source speciesDrosophila melanogaster
Taxonomic domainEukaryota
UniProt annotation level5

Function and localisation

Enzyme functionExostosin-1 (EC 2.4.1.224; 2.4.1.225)
Subcellular location
  • Endoplasmic reticulum membrane
  • Golgi apparatus membrane

Structure and mechanism

Fold typeGT-A
Catalytic mechanismRetaining
Cation dependenceYes (Mn2+)
Oligomeric stateInteracts with sau (PubMed:23720043)
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)
  • 3-O-{[(1->4)-beta-D-GlcA-(1->4)-alpha-D-GlcNAc](n)-(1->4)-beta-D-GlcA-(1->3)-beta-D-Gal-(1->3)-beta-D-Gal-(1->4)-beta-D-Xyl}-L-seryl-[protein]
  • 3-O-{alpha-D-GlcNAc-[(1->4)-beta-D-GlcA-(1->4)-alpha-D-GlcNAc](n)-(1->4)-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

760 aa
MQAKKRYILVFVSCAFLAYAYFGGYRLKVSPLRPRRAQHESAKDGGVQPHEQLPSFLGAHDMQELQLLQSNQSKSLDSSKHLVTRKPDCRMETCFDFTRCYDRFLVYIYPPEPLNSLGAAPPTSANYQKILTAIQESRYYTSDPTAACLFVLGIDTLDRDSLSEDYVRNVPSRLARLPYWNNGRNHIIFNLYSGTWPDYAENSLGFDAGEAILAKASMGVLQLRHGFDVSIPLFHKQFPLRAGATGTVQSNNFPANKKYLLAFKGKRYVHGIGSETRNSLFHLHNGRDMVLVTTCRHGKSWRELQDNRCDEDNREYDRYDYETLLQNSTFCLVPRGRRLGSFRFLEALQAGCIPVLLSNAWVLPFESKIDWKQAAIWADERLLLQVPDIVRSIPAERIFALRQQTQVLWERYFGSIEKIVFTTFEIIRERLPDYPVRSSLVWNSSPGALLTLPTFADSSRYMPFLLNSMGAEPRHNYTAVIYVQIGAALGPNAALYKLVRTITKSQFVERILVLWAADRPLPLKKRWPPTSHIPLHVISLGGSTRSQGAGPTSQTTEGRPSISQRFLPYDEIQTDAVLSLDEDAILNTDELDFAYTVWRDFPERIVGYPARAHFWDDSKNAWGYTSKWTNYYSIVLTGAAFYHRYYNYLYTNWLSLLLLKTVQQSSNCEDILMNLLVSHVTRKPPIKVTQRKGYKDRETGRSPWNDPDHFIQRQSCLNTFAAVFGYMPLIRSNLRMDPMLYRDPVSNLRKKYRQIELVGS

Catalytic domain sequence

291 aa
RFLVYIYPPEPLNSLGAAPPTSANYQKILTAIQESRYYTSDPTAACLFVLGIDTLDRDSLSEDYVRNVPSRLARLPYWNNGRNHIIFNLYSGTWPDYAENSLGFDAGEAILAKASMGVLQLRHGFDVSIPLFHKQFPLRAGATGTVQSNNFPANKKYLLAFKGKRYVHGIGSETRNSLFHLHNGRDMVLVTTCRHGKSWRELQDNRCDEDNREYDRYDYETLLQNSTFCLVPRGRRLGSFRFLEALQAGCIPVLLSNAWVLPFESKIDWKQAAIWADERLLLQVPDIVRSI