M. tuberculosis [4Fe-4S] protein WhiB1 is a four-helix bundle that forms a NO-sensitive complex with sigmaA and regulates the major virulence factor ESX-1

Structure of a Wbl protein and implications for NO sensing by M. tuberculosis.

The sequence provided begins 9 residues before the start of the folded protein

<!DOCTYPE html PUBLIC -//W3C//DTD XHTML 1.0 Strict//EN

0.3 mM WhiB1 protein, 25 mM sodium phosphate, 250 mM sodium chloride, 90% H2O/10% D2O

Brunger, Adams, Clore, Gros, Nilges and Read