Crystallization and preliminary X-ray diffraction studies of ferredoxin reductase fromLeptospira interrogans

Abstract
Ferredoxin-NADP+ reductase (FNR) is an FAD-containing enzyme that catalyzes electron transfer between NADP(H) and ferredoxin. Here, results are reported of the recombinant expression, purification and crystallization of FNR from Leptospira interrogans, a parasitic bacterium of animals and humans. The L. interrogans FNR crystals belong to a primitive monoclinic space group and diffract to 2.4 angstroms resolution at a synchrotron source.