Oxygen-insensitive nitroreductase E. coli NfsA, but not NfsB, is inhibited by fumarate.

MTPTIELICGHRSIRHFTDEPISEAQREAIINSARATSSSSFLQCSSIIRITDKALREELVTLTGGQKHVAQAAEFWVFC
ADFNRHLQICPDAQLGLAEQLLLGVVDTAMMAQNALIAAESLGLGGVYIGGLRNNIEAVTKLLKLPQHVLPLFGLCLGWP
ADNPDLKPRLPASILVHENSYQPLDKGALAQYDEQLAEYYLTRGSNNRRDTWSDHIRRTIIKESRPFILDYLHKQGWATR

100 mM imidazole pH 7,
26 % PEG 3,000
30 mM Fumarate

HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY

Nitroreductase, Inhibitor complex, OXIDOREDUCTASE