2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31.

A newly identified photolyase from Arthrospira platensis possesses a unique methenyltetrahydrofolate chromophore-binding pattern.

ammonium citrate dibasic, 20% (v/v) polyethylene glycol 3350