Protein
UDP-glucose 4-epimerase
Organism
Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd)
Function
Involved in the metabolism of galactose. Catalyzes the conversion of UDP-galactose (UDP-Gal) to UDP-glucose (UDP-Glc) through a mechanism involving the transient reduction of NAD. By controlling the internal galactose concentration, it may be linked to the biosynthesis of lipopolysaccharide surface molecules, which are important for the pathogenesis of H.influenzae.
Similarity
Belongs to the NAD(P)-dependent epimerase/dehydratase family.
Sequence
MAILVTGGAGYIGSHTVVELLNVGKEVVVLDNLCNSSPKSLERVKQITGKEAKFYEGDILDRALLQKIFAENEINSVIHFAGLKAVGESVQKPTEYYMNNVAGTLVLIQEMKKAGVWNFVFSSSATVYGDPKIIPITEDCEVGGTTNPYGTSKYMVEQILRDTAKAEPKFSMTILRYFNPVGAHESGLIGEDPNGIPNNLLPYISQVAIGKLAQLSVFGSDYDTHDGTGVRDYIHVVDLAVGHLKALQRHENDAGLHIYNLGTGHGYSVLDMVKAFEKANNITIAYKLVERRSGDIATCYSDPSLAAKELGWVAERGLEKMMQDTWNWQKNNPKGYRD