8g0n

FphI, Staphylococcus aureus fluorophosphonate-binding serine hydrolases I, apo form

spinqualitylabelsall models 8g0n, resolution 1.14Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 8g0n is a 1 chain structure with sequence from Staphylococcus aureus USA300-0114. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.14Å Ligands: CL, MG Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function Q2G0V7_STAA8 Publication Abstract from PubMed Staphylococcus aureus is a major cause of infections like bacteremia, pneumonia, and endocarditis. These infections are often linked to the ability of S. aureus to form biofilms. Several S. aureus serine hydrolases have previously been identified to be active during biofilm-forming conditions. Here, we present the biochemical characterization of two of these enzymes-fluorophosphonate binding hydrolase H and I (FphH, FphI). Cryogenic and room-temperature X-ray crystallography, enzymatic substrate profiling, small-angle X-ray scattering analysis, and molecular dynamics simulations provide new insights into similarities and differences between these two hydrolase_4 domain family members. We discover that these enzymes share an overall fold, including a flexible lid or cap region above the active site, which can be seen to be mobile in solution. Differences in the active site pocket and lid residues differentiate them and explain speed differences in their carboxyesterase substrate profile toward small unbranched carbon chain ester molecules. The first analysis of FphI is also compared to our previous knowledge of FphH and its association to stress conditions. These results enable the future precise targeting of Fph serine hydrolase family members with a long-term goal to significantly improve the health and wellbeing of individuals and populations worldwide. Similar but Distinct-Biochemical Characterization of the Staphylococcus aureus Serine Hydrolases FphH and FphI.,Fellner M, Randall G, Bitac IRCG, Warrender AK, Sethi A, Jelinek R, Kass I Proteins. 2024 Dec 26. doi: 10.1002/prot.26785. PMID:39726198 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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