   5.4.99.13 | purified enzyme in complex with four different substrates, GDP and isovaleryl-CoA, or isobutyryl-CoA or n-butytryl-CoA or pivalyl-CoA, hanging drop vapor diffusion technique, mixing of 0.001 ml of 11.7 mg/ml IcmF protein in 100 mM NaCl, 50 mM HEPES, pH 7.5, 1 mM GDP, 3 mM MgCl2, 0.3 mM AdoCbl, with 0.001 ml of reservoir solution containing 0.7-0.75 M potassium sodium tartrate, 0.2 M ammonium acetate, 0.1 M imidazole, pH 7.0-7.7, and 3% v/v ethylene glycol, and equilibration against 0.5 ml reservoir solution, 3-6 weeks, at 25°C, X-ray diffraction structure determination and analysis at 3.4-3.5 A resolution |
748200 |
