Protein
UDP-4-amino-4,6-dideoxy-N-acetyl-beta-L-altrosamine transaminase
Organism
Campylobacter jejuni subsp. jejuni serotype O:2 (strain ATCC 700819 / NCTC 11168)
Function
Catalyzes the second step in the biosynthesis of pseudaminic acid, a sialic-acid-like sugar that is used to modify flagellin. Uses UDP-2-acetamido-2,6-dideoxy-beta-L-arabino-4-hexulose as substrate producing UDP-4-amino-4,6-dideoxy-beta-L-AltNAc.
Similarity
Belongs to the DegT/DnrJ/EryC1 family.
Sequence
MLTYSHQNIDQSDIDTLTKALKDEILTGGKKVNEFEEALCEYMGVKHACVLNSATSALHLAYTALGVQEKIVLTTPLTFAATANAALMAGAKVEFIDIKNDGNIDEKKLEARLLKESENIGAISVVDFAGNSVEMDEISNLTKKYNIPLIDDASHALGALYKSEKVGKKADLSIFSFHPVKPITTFEGGAVVSDNEELIDKIKLLRSHGIVKKRLWDSDMVELGYNYRLSDVACALGINQLKKLDHNLEKREEIANFYDKEFEKNPYFSTIKIKDYKKSSRHLYPILLFPEFYCQKEELFESLLHAGIGVQVHYKPTYEFSFYKKLLGEIKLQNADNFYKAELSIPCHQEMNLKDAKFVKDTLFSILEKVKKGYCG