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Crystal structure of human sepiapterin reductase in complex with sulfasalazine
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4HWK
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 277 1.70 M ammonium sulphate, 0.1 M HEPES, 2 % w/v PEG 1000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 4.63 73.46
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 149.194 α = 90 b = 149.194 β = 90 c = 180.552 γ = 120
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 315r 2011-06-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM30A 1.0 ESRF BM30A
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.6 50 98.15 69669 68379
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.6 2.76 98.3
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-Factor (All) 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 4HWK 2.6 48.84 65602 65602 3483 99.25 0.21945 0.21945 0.21825 0.217 0.24188 0.2398 RANDOM 43.517
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 r_dihedral_angle_2_deg 35.783 r_dihedral_angle_4_deg 21.065 r_dihedral_angle_3_deg 15.88 r_dihedral_angle_1_deg 5.042 r_angle_refined_deg 1.177 r_chiral_restr 0.074 r_bond_refined_d 0.006 r_gen_planes_refined 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7744 Nucleic Acid Atoms Solvent Atoms 104 Heterogen Atoms 408
Software Software Software Name Purpose XDS data scaling PHASER phasing REFMAC refinement XDS data reduction SCALA data scaling