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Structure of human neuronal nitric oxide synthase R354A/G357D mutant heme domain in complex with 7-(4-(2-Aminoethyl)phenyl)-4-methylquinolin-2-amine
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4UH5
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.2 277 8% PEG3350
35mM citric acid
65mM Bis-Tris-Propane
10% glycerol
5mM TCEP
Crystal Properties Matthews coefficient Solvent content 2.74 55.2
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 52.05 α = 90 b = 122.25 β = 90 c = 164.64 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 100 CCD MARMOSAIC 325 mm CCD mirrors 2017-01-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL14-1 0.9795 SSRL BL14-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Rpim I (All) CC (Half) 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 1.95 60 99 0.141 0.141 0.121 0.989 5.3 4 76617 -3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.95 2.01 97 2.087 2.087 1.843 0.315 0.7 3.9
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 FOURIER SYNTHESIS FREE R-VALUE 4UH5 1.95 43.993 0.03 76483 7046 96.84 0.1971 0.1947 0.1904 0.2436 0.2405 random
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 15.232 f_angle_d 1.113 f_chiral_restr 0.042 f_bond_d 0.007 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6724 Nucleic Acid Atoms Solvent Atoms 748 Heterogen Atoms 169
Software Software Software Name Purpose PHENIX refinement MOSFLM data reduction Aimless data scaling REFMAC phasing