GT-CORE (public beta v1)

Glycosyltransferase Curated Online Resource for Enzymology

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

waaQ

Escherichia coli (strain K12) · Lipopolysaccharide heptosyltransferase 3 (EC 2.4.99.25)

GT9Model organism · annotation ≥ 4Fold GT-BInverting

External resources

Identification and annotation

CAZy familyGT9 · CAZy entry
Gene symbolwaaQ
Synonyms / alternate names
  • rfaQ
  • ADP-heptose:lipopolysaccharide heptosyltransferase III
UniProt accessionP25742
NCBI Gene ID948155
Source speciesEscherichia coli (strain K12)
Taxonomic domainBacteria
UniProt annotation level4

Function and localisation

Enzyme functionLipopolysaccharide heptosyltransferase 3 (EC 2.4.99.25)
Subcellular locationnot curated

Structure and mechanism

Fold typeGT-B
Catalytic mechanismInverting
Cation dependenceNo
Oligomeric statenot curated
PDB structuresnot curated

Donor and acceptor specificity

Sugar nucleotide donorADP-L-glycero-beta-D-manno-heptose
Donor CCD code(s)not curated
Acceptor substrate(s)
  • an L-alpha-D-Hep-(1->3)-4-O-phospho-L-alpha-D-Hep-(1->5)-[alpha-Kdo-(2->4)]-alpha-Kdo-(2->6)-lipid A
  • L-alpha-D-Hep-(1->3)-4-O-phospho-L-alpha-D-Hep-(1->5)-[alpha-Kdo-(2->4)]-alpha-Kdo-(2->6)-lipid A (E. coli)
Acceptor CCD / GlycoCTnot curated

Protein sequences

Full protein sequence

344 aa
MRYHGDMLLTTPVISTLKQNYPDAKIDMLLYQDTIPILSENPEINALYGISNKGAGTFDKIKNVLSLIKTLRANNYDLVINLTDQWMVALLVRCLPARMKISQLYGHRQHGIWKKSFTHLAPIHGTHIVERNLSVLEPLGITDFYTDTTMSYAEDCWKKMRRELDALGVKDHYVVIQPTARQIFKCWDNDKFSKVIDALQQRGYQVVLTCGPSADDLACVDEIARGCETKPITGLAGKTRFPELGALIDHAVLFIGVDSAPGHIAAAVKTPVISLFGATDHVFWRPWTENIIQFWAGNYQKMPTRHELDRNKKYLSVIPAEDVIAATEKLLPEDAPSADRNAQL

Catalytic domain sequence

331 aa
YHGDMLLTTPVISTLKQNYPDAKIDMLLYQDTIPILSENPEINALYGISNKGAGTFDKIKNVLSLIKTLRANNYDLVINLTDQWMVALLVRCLPARMKISQLYGHRQHGIWKKSFTHLAPIHGTHIVERNLSVLEPLGITDFYTDTTMSYAEDCWKKMRRELDALGVKDHYVVIQPTARQIFKCWDNDKFSKVIDALQQRGYQVVLTCGPSADDLACVDEIARGCETKPITGLAGKTRFPELGALIDHAVLFIGVDSAPGHIAAAVKTPVISLFGATDHVFWRPWTENIIQFWAGNYQKMPTRHELDRNKKYLSVIPAEDVIAATEKLLPE