4e6t | pdb_00004e6t

Structure of LpxA from Acinetobacter baumannii at 1.8A resolution (P212121 form)

spinqualitylabelsall models 4e6t, resolution 1.80Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4e6t is a 3 chain structure with sequence from Acinetobacter baumannii. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: FLC Related: 4e6u, 4e75, 4e79 Gene: lpxA, ABTW07_2294 (Acinetobacter baumannii) Activity: [acyl-carrier-protein--UDP-N-acetylglucosamine_O-acyltransferase Acyl-[acyl-carrier-protein]--UDP-N-acetylglucosamine O-acyltransferase], with EC number 2.3.1.129 Resources: FirstGlance, OCA, RCSB, PDBsum Function [F0QHB3_ACIBD] Involved in the biosynthesis of lipid A, a phosphorylated glycolipid that anchors the lipopolysaccharide to the outer membrane of the cell.[HAMAP-Rule:MF_00387][SAAS:SAAS00064150] Publication Abstract from PubMed Acinetobacter baumannii is a Gram-negative pathogenic bacterium which is resistant to most currently available antibiotics and that poses a significant health threat to hospital patients. LpxA is a key enzyme in the biosynthetic pathway of the lipopolysaccharides that are components of the bacterial outer membrane. It is a potential target for antibacterial agents that might be used to fight A. baumannii infections. This paper describes the structure determination of the apo form of LpxA in space groups P2(1)2(1)2(1) and P6(3). These crystal forms contained three and one protein molecules in the asymmetric unit and diffracted to 1.8 and 1.4 A resolution, respectively. A comparison of the conformations of the independent protein monomers within and between the two crystal asymmetric units revealed very little structural variation across this set of structures. In the P6(3) crystal form the enzymatic site is exposed and is available for the introduction of small molecules of the type used in fragment-based drug discovery and structure-based lead optimization. Structure determination of LpxA from the lipopolysaccharide-synthesis pathway of Acinetobacter baumannii.,Badger J, Chie-Leon B, Logan C, Sridhar V, Sankaran B, Zwart PH, Nienaber V Acta Crystallogr Sect F Struct Biol Cryst Commun. 2012 Dec 1;68(Pt 12):1477-81., doi: 10.1107/S174430911204571X. Epub 2012 Nov 28. PMID:23192027 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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