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STRUCTURE OF A NITRIC OXIDE SYNTHASE HEME PROTEIN FROM BACILLUS SUBTILIS WITH TETRAHYDROFOLATE AND ARGININE BOUND
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1DWW PDB ENTRY 1DWW
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 7 295 PEG 8K, potassium acetate, pH 7.0, VAPOR DIFFUSION, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.81 56.17
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 81.155 α = 90 b = 92.553 β = 90 c = 62.939 γ = 90
Symmetry Space Group P 21 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 4 2002-05-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON CHESS BEAMLINE F1 0.916 CHESS F1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 1.94 30 99.7 0.059 27.5 8.9 44343 44343 -3 29.3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.94 1.98 99.7 0.399 2.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1DWW 1.95 29.8 44343 44343 1748 99.7 0.225 0.239 RANDOM 42.7
Temperature Factor Modeling Anisotropic B[1][1] Anisotropic B[1][2] Anisotropic B[1][3] Anisotropic B[2][2] Anisotropic B[2][3] Anisotropic B[3][3] -12.57 0.21 12.36
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.3 c_scangle_it 2.2 c_mcangle_it 1.67 c_angle_deg 1.6 c_improper_angle_d 1.55 c_scbond_it 1.41 c_mcbond_it 0.98 c_bond_d 0.013
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2933 Nucleic Acid Atoms Solvent Atoms 258 Heterogen Atoms 87
Software Software Software Name Purpose HKL-2000 data collection SCALEPACK data scaling AMoRE phasing CNS refinement HKL-2000 data reduction