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A second FMN-binding site in yeast NADPH-cytochrome P450 reductase suggests a novel mechanism of electron transfer by diflavin reductase
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2BF4 PDB ENTRY 2BF4
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5 293 1.6 M AMMONIUM SULFATE 100 MM SODIUM CITRATE (PH 5.0) 1 MM FAD 1 MM NADPH T=20 C
Crystal Properties Matthews coefficient Solvent content 2.58 51
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 78.14 α = 90 b = 77.843 β = 90 c = 261.495 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 110 CCD SBC-2 MIRRORS 2004-03-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID 0.97918 APS 19-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 2.9 50 94.4 0.11 16.9 5.4 33851 24.8
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.9 3 75.8 0.51 2 4.7
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 2BF4 2.91 43.41 2 29613 2923 82.1 0.233 0.233 0.2389 0.3 0.2987 RANDOM 66.7
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] 31.22 -6.19 -25.03
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.8 c_scangle_it 2.45 c_mcangle_it 1.99 c_scbond_it 1.52 c_angle_deg 1.5 c_mcbond_it 1.15 c_improper_angle_d 0.98 c_bond_d 0.008 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.8 c_scangle_it 2.45 c_mcangle_it 1.99 c_scbond_it 1.52 c_angle_deg 1.5 c_mcbond_it 1.15 c_improper_angle_d 0.98 c_bond_d 0.008 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10028 Nucleic Acid Atoms Solvent Atoms 55 Heterogen Atoms 248
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction SCALEPACK data scaling CNS phasing