Protein
Undecaprenyl phosphate-alpha-4-amino-4-deoxy-L-arabinose arabinosyl transferase
Organism
Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)
Function
Catalyzes the transfer of the L-Ara4N moiety of the glycolipid undecaprenyl phosphate-alpha-L-Ara4N to lipid A. The modified arabinose is attached to lipid A and is required for resistance to polymyxin and cationic antimicrobial peptides.
Similarity
Belongs to the glycosyltransferase 83 family.
Sequence
MSRRQTCSLLLIAFGLFYLVPLSNHGLWIPDETRYAQISQAMLLGGDWVSPHFLGLRYFEKPVAGYWMIALGQAVFGENLFGVRIASVVATALSVLLAYLLARRLWRDPRTSLACALLYASFGLIAGQSGYANLDPQFTFWVNLSLVALWHALDAGSRRARLLGWTLLGLACGMGFLTKGFLAWLLPVLVALPYMLWQRRWRELLGYGALAVLAALLVCLPWALAVHAREADYWRFFFWHEHIRRFAGEDAQHSRPWWFYLPLLAVACLPWSGLLPSALRQAWHERRQAPVVFLALWLLLPLAFFSLSRGKLPTYIMPCLLPLALLMGHALVQRLRLGNSVALRGNGLLNLGLALLALAALAYLQLRKPVYQEEPFELFLVLLVIGAWAAAGLAQWRYPLRAWAAPLLASWVLIALLPAAMPNHVVQNKTPDLFVAEHLDELTGARHLLSNDLGAASALAWRLRRSDVTLYDTRGELKYGLSYPEHSQRSVPLADIRQWLWRARQDGSIAVLLRINSASDRYQLALLPGDGERYRNGNLVLAILPQVRP