Crystal structure of the evolved variant of the computationally designed serine hydrolase, OSH55.4_H1, covalently bound with diisopropyl fluorophosphate (DFP), Northeast Structural Genomics Consortium (NESG) Target OR273

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PDB ID Mentions in PubMed Central Article count: 1

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Design of activated serine-containing catalytic triads with atomic-level accuracy.

(2014) Nat Chem Biol 10

PubMed: 24705591 | PubMedCentral: PMC4048123 | DOI: 10.1038/nchembio.1498

Even though OSH55.4_1 was neither designed nor evolved to specifically bind DFP, we found that DFP indeed forms a covalent adduct with the active-site Ser151 ( Fig. 4c, d ) that is very similar to the... complex formed by the fluorophosphonate moiety of the FPyne probe (PDB ID: 4JVV).

Atomic coordinates and structure factors have been deposited in the Protein Data Bank under accession codes 4JVV, 4JLL, 4JCA, 4ESS, 4ETJ, 4ETK, 3V45, 3TP4, 4F2V and 4DRT.

Publication Year: 2014