解像度: 1.5→8 Å / σ(F): 0 詳細: THE MODEL WAS FIRST REFINED AT 2.0 ANGSTROMS RESOLUTION BY ONE SIMULATING ANNEALING CYCLE (X-PLOR) FOLLOWED BY ONE CYCLE OF ENERGY MINIMIZATION AND ONE CYCLE OF B-FACTORS REFINEMENT (X-PLOR). ...詳細: THE MODEL WAS FIRST REFINED AT 2.0 ANGSTROMS RESOLUTION BY ONE SIMULATING ANNEALING CYCLE (X-PLOR) FOLLOWED BY ONE CYCLE OF ENERGY MINIMIZATION AND ONE CYCLE OF B-FACTORS REFINEMENT (X-PLOR). THEN THE REFINEMENT WAS EXTENDED AT 1.5 ANGSTROMS RESOLUTION USING SEVERAL CYCLES OF ENERGY MINIMIZATION AND AND B-FACTORS REFINEMENT (X-PLOR). WATER MOLECULES WERE ADDED BETWEEN EACH REFINEMENT CYCLE IN A AUTOMATIC WAY (ARP PROGRAM, LAMZIN & WILSON, ACTA CRYST., D49, 213-222 (1993)). RESIDUE SER 92 HAS A STRAINED SECONDARY STRUCTURE (PSI = -99 DEGREES, PHI = 50 DEGREES).