Enterococcus faecalis FIC protein in complex with ADP and calcium ion.

A Ca2+-regulated deAMPylation switch in human and bacterial FIC proteins.

14.4 % w/v Polyethylene glycol 8,000
20 % v/v Glycerol, 80 mM MES; pH 6.5, 160 mM Calcium acetate, 5mM MgCl2, 5mM ATPgS

binding site for Di-peptide LEU I 166 and TYR I 170