5jki

Crystal structure of the first transmembrane PAP2 type phosphatidylglycerolphosphate phosphatase from Bacillus subtilis

spinqualitylabelsall models 5jki, resolution 2.25Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 5jki is a 1 chain structure with sequence from Bacillus subtilis subsp. subtilis str. 168. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.25Å Ligands: OLC, UNL, WO4 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function PGPB_BACSU Catalyzes the dephosphorylation of phosphatidylglycerophosphate (PGP) to phosphatidylglycerol. Also has undecaprenyl pyrophosphate phosphatase activity, required for the biosynthesis of the lipid carrier undecaprenyl phosphate. Publication Abstract from PubMed Type 2 phosphatidic acid phosphatases (PAP2s) can be either soluble or integral membrane enzymes. In bacteria, integral membrane PAP2s play major roles in the metabolisms of glycerophospholipids, undecaprenyl-phosphate (C55-P) lipid carrier and lipopolysaccharides. By in vivo functional experiments and biochemical characterization we show that the membrane PAP2 coded by the Bacillus subtilis yodM gene is the principal phosphatidylglycerol phosphate (PGP) phosphatase of B. subtilis. We also confirm that this enzyme, renamed bsPgpB, has a weaker activity on C55-PP. Moreover, we solved the crystal structure of bsPgpB at 2.25 A resolution, with tungstate (a phosphate analog) in the active site. The structure reveals two lipid chains in the active site vicinity, allowing for PGP substrate modeling and molecular dynamic simulation. Site-directed mutagenesis confirmed the residues important for substrate specificity, providing a basis for predicting the lipids preferentially dephosphorylated by membrane PAP2s. Crystal structure and biochemical characterization of the transmembrane PAP2 type phosphatidylglycerol phosphate phosphatase from Bacillus subtilis.,Ghachi ME, Howe N, Auger R, Lambion A, Guiseppi A, Delbrassine F, Manat G, Roure S, Peslier S, Sauvage E, Vogeley L, Rengifo-Gonzalez JC, Charlier P, Mengin-Lecreulx D, Foglino M, Touze T, Caffrey M, Kerff F Cell Mol Life Sci. 2017 Feb 6. doi: 10.1007/s00018-017-2464-6. PMID:28168443 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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