E. coli NikR soaked with excess nickel ions

3-CYCLOHEXYLPROPYL 4-O-ALPHA-D-GLUCOPYRANOSYL-BETA-D-GLUCOPYRANOSIDE

Structural basis of low-affinity nickel binding to the nickel-responsive transcription factor NikR from Escherichia coli.

MQRVTITLDDDLLETLDSLSQRRGYNNRSEAIRDILRSALAQEATQQHGTQGFAVLSYVYEHEKRDLASRIVSTQHHHHD
LSVATLHVHINHDDCLEIAVLKGDMGDVQHFADDVIAQRGVRHGHLQCLPKED

200 mM MgCl2, 100 mM Hepes, 30% vol/vol PEG 400, 0.5 ml of 345 mM cyclohexyl-propyl-b-D-maltoside (CYMAL-3), pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Nickel-bound full-length Escherichia coli NikR

ribbon-helix-helix, ferredoxin-like fold, Transcription factor, TRANSCRIPTION