Crystal structure of the CFTR inhibitory factor Cif with the D129S mutation bound to epoxyhexane

Visualizing the Mechanism of Epoxide Hydrolysis by the Bacterial Virulence Enzyme Cif.

AEEFPVPNGFESAYREVDGVKLHYVKGGQGPLVMLVHGFGQTWYEWHQLMPELAKRFTVIAPDLPGLGQSEPPKTGYSGE
QVAVYLHKLARQFSPDRPFDLVAHSIGIWNTYPMVVKNQADIARLVYMEAPIPDARIYRFPAFTAQGESLVWHFSFFAAD
DRLAETLIAGKERFFLEHFIKSHASNTEVFSERLLDLYARSYAKPHSLNASFEYYRALNESVRQNAELAKTRLQMPTMTL
AGGGHGGMGTFQLEQMKAYAEDVEGHVLPGCGHWLPEECAAPMNRLVIDFLSRGRHHHHHH

13% PEG 8000, 0.125M calcium chloride, 0.1M sodium acetate, 0.02M epoxyhexane, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Same protein, but with the wild type sequence

Alpha Beta Hydrolase, Epoxide Hydrolase, secreted, HYDROLASE

AEEFPVPNGFESAYREVDGVKLHYVKGGQGPLVMLVHGFGQTWYEWHQLMPELAKRFTVIAPDLPGLGQSEPPKTGYSGE
QVAVYLHKLARQFSPDRPFDLVAHDIGIWNTYPMVVKNQADIARLVYMEAPIPDARIYRFPAFTAQGESLVWHFSFFAAD
DRLAETLIAGKERFFLEHFIKSHASNTEVFSERLLDLYARSYAKPHSLNASFEYYRALNESVRQNAELAKTRLQMPTMTL
AGGGHGGMGTFQLEQMKAYAEDVEGHVLPGCGHWLPEECAAPMNRLVIDFLSRGR