GT-CORE (public beta v1)

Glycosyltransferase Curated Online Resource for Enzymology

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

Oxt

Drosophila pseudoobscura pseudoobscura · Xylosyltransferase Oxt (EC 2.4.2.26)

GT14Non-model organism · annotation 4–5Fold GT-AInverting

External resources

Identification and annotation

CAZy familyGT14 · CAZy entry
Gene symbolOxt
Synonyms / alternate names
  • xt
  • Peptide O-xylosyltransferase
UniProt accessionQ5QQ53
NCBI Gene ID4813803
Source speciesDrosophila pseudoobscura pseudoobscura
Taxonomic domainEukaryota
UniProt annotation level4

Function and localisation

Enzyme functionXylosyltransferase Oxt (EC 2.4.2.26)
Subcellular location
  • Endoplasmic reticulum membrane
  • Golgi apparatus membrane

Structure and mechanism

Fold typeGT-A
Catalytic mechanismInverting
Cation dependenceYes (Ca2+, Mn2+, Mg2+)
Oligomeric statenot curated
PDB structuresnot curated

Donor and acceptor specificity

Sugar nucleotide donorUDP-alpha-D-xylose
Donor CCD code(s)UDX
Acceptor substrate(s)L-seryl-[protein]
Acceptor CCD / GlycoCTnot curated

Protein sequences

Full protein sequence

880 aa
MEQSVSARWLRRYRPVLIILVLIFGIQLFLAYKSVDIGGGSGSGLDVDAAQRSQRDLASNPVIAEPPESLPRPARLTANQLGFQPECDIQAKEAISALQRAKTKDCRQHIAQIACSIQAGRFYAIQLKSSCPSGNHTANVSLGCYRDEKDRRLLGGYYTSFKNSNSPNLCLELCLQSGYPYAGVQYGRECFCGFDTPPKAAKLPDSSCNIKCLGNAREICGGFYAMNIYETGIAKFTAQLAASTPPTGAKRVRIAFLLTINGRALRQVHRLLKALYAPEHVYYIHVDERQDYLYRKLLELEQKFPNIRLARKRFSTIWGGASLLTMLLQCMEDLLKSKWQWDFVINLSESDFPVKTLDKLVDFLSANRGRNFVKGHGRETQKFIQKQGLDRTFVECDTHMWRIGDRKLPAGIQVDGGSDWVALSRPFVAYVTHPKKEDELLQALLKLFRHTLLPAESFFHTVLRNTHHCHTYVDNNLHVTNWKRKQGCKCQYKHVVDWCGCSPNDFMPDDWPRLLATEQKSLFFARKFEPIINQAVLLQLEEWLYGPYTSEYLNLHGYWQSLYHHEDVHGSADDLVRSVGDSLMRLAGSQARVDPLELLELTHYLHRDQYKGFLVRFSARRATGQDVQLETRVRPVQHGKLARNARFSKRLRNFEVSTDFDQKEQVARNFGKLLGPQSDLVLSYTYQGSTDSGAASHSYNLTLLWIDPLGRLQDFNELHVEDSSTDLINHSKTLLSHPITPGVWTAKLIGRSSIYAQLKFLISPMAYGNGEPLETTPEAEKRNGGLGIALPDDFELPVEWQQHLHTDDEQFSLREEALANGKLTGPPLHRWIDDLVGKFFQLRESCVVDAGTELSLPLCSDAPWSSLAPDPKSDVDALLK

Catalytic domain sequence

174 aa
EEWLYGPYTSEYLNLHGYWQSLYHHEDVHGSADDLVRSVGDSLMRLAGSQARVDPLELLELTHYLHRDQYKGFLVRFSARRATGQDVQLETRVRPVQHGKLARNARFSKRLRNFEVSTDFDQKEQVARNFGKLLGPQSDLVLSYTYQGSTDSGAASHSYNLTLLWIDPLGRLQD