6dll

2.2 Angstrom Resolution Crystal Structure of P-Hydroxybenzoate Hydroxylase from Pseudomonas putida in Complex with FAD.

spinqualitylabelsall models 6dll, resolution 2.20Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6dll is a 4 chain structure with sequence from Pseudomonas putida KT2440. This structure supersedes the now removed PDB entry 5tti. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.2Å Ligands: CL, FAD, FMT Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function Q88H28_PSEPK Publication Abstract from PubMed The crystal structure is reported of p-hydroxybenzoate hydroxylase (PobA) from Pseudomonas putida, a possible drug target to combat tetracycline resistance, in complex with flavin adenine dinucleotide (FAD). The structure was refined at 2.2 A resolution with four polypeptide chains in the asymmetric unit. Based on the results of pairwise structure alignments, PobA from P. putida is structurally very similar to PobA from P. fluorescens and from P. aeruginosa. Key residues in the FAD-binding and substrate-binding sites of PobA are highly conserved spatially across the proteins from all three species. Additionally, the structure was compared with two enzymes from the broader class of oxygenases: 2-hydroxybiphenyl 3-monooxygenase (HbpA) from P. nitroreducens and 2-methyl-3-hydroxypyridine-5-carboxylic acid oxygenase (MHPCO) from Mesorhizobium japonicum. Despite having only 14% similarity in their primary sequences, pairwise structure alignments of PobA from P. putida with HbpA from P. nitroreducens and MHPCO from M. japonicum revealed local similarities between these structures. Key secondary-structure elements important for catalysis, such as the betaalphabeta fold, beta-sheet wall and alpha12 helix, are conserved across this expanded class of oxygenases. Structural comparison of p-hydroxybenzoate hydroxylase (PobA) from Pseudomonas putida with PobA from other Pseudomonas spp. and other monooxygenases.,Lazar JT, Shuvalova L, Rosas-Lemus M, Kiryukhina O, Satchell KJF, Minasov G Acta Crystallogr F Struct Biol Commun. 2019 Jul 1;75(Pt 7):507-514. doi:, 10.1107/S2053230X19008653. Epub 2019 Jul 2. PMID:31282871 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Hydroxylases 3D structures

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