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legG

Gene
legG
Protein
GDP/UDP-N,N'-diacetylbacillosamine 2-epimerase (hydrolyzing)
Organism
Campylobacter jejuni subsp. jejuni serotype O:2 (strain ATCC 700819 / NCTC 11168)
Length
384 amino acids
Function
Involved in biosynthesis of legionaminic acid (5,7-diamino-3,5,7,9-tetradeoxy-D-glycero-D-galacto-non-2-ulosonic acid)(Leg), a sialic acid-like derivative that is incorporated into flagellin via O-linkage to Ser/Thr. Catalyzes the conversion of GDP-N,N'-diacetylbacillosamine (Bac2Ac4Ac) into 2,4-diacetamido-2,4,6-trideoxymannose and GDP. It can also use UDP-N,N'-diacetylbacillosamine however it generates small quantities of 2,4-diacetamido-2,4,6-trideoxymannose.
Similarity
Belongs to the UDP-N-acetylglucosamine 2-epimerase family.
Mass
43.766 kDa
Sequence
MSKRKICIVSATRAEWYLLRNLCHEIQNDKDLSLQIIATGAHLSPEFGLTYKEIEKEFKITKKIPILLANDDKISLCKSMSLAFSAFSDAFEDLKPDMVVILGDRYEMLSVASVCLLMHIPLVHLCGGELTLGAIDDSIRHSISKMSHLHFVSHEIYKKRLLQLGEEEKRVFNIGSLASTIIKNMNFLNKKDLEKALEMKLDKELYLITYHPLTLNVKNTQKEIKTLLKKLDTLKNASLIFTKANADENGLLINEILQNYCQKNSHKAKLFDNLGSQKYLSLMKIAKAMIGNSSSGISESPFFKTPCINIGDRQKGRLRTQNIIDSEINDLDQAFEKLESKEFKQNLKNFKNPYDNGKNPNKIIKTCLKNVNLDTILHKNFIDL