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Crystal structure of 17alpha-hydroxysteroid dehydrogenase mutant K31A in complex with NADP+ and epi-testosterone
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2IPF
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.4 277 PEG-4000 24%, 0.1M MES, O.1M Li2SO4, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.31 46.66
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 74.03 α = 90 b = 53.34 β = 93.46 c = 85.12 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 IMAGE PLATE RIGAKU RAXIS IIC mirrors 2006-08-06 M SINGLE WAVELENGTH 2 1 x-ray M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.5418 2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 1,2 2 19.56 94.7 0.117 0.172 7.12 3.9 45224 43065 9.5
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1,2 2 2.1 92.1 0.191 0.262 4.93 4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 2IPF 1.9 19.55 49676 2514 94.5 0.182 0.182 0.1825 0.214 0.2157 RANDOM 17.2
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] 4.27 2.92 -1.3 -2.97
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.9 c_scangle_it 2.49 c_scbond_it 1.78 c_mcangle_it 1.56 c_angle_deg 1.2 c_mcbond_it 1.11 c_improper_angle_d 0.79 c_bond_d 0.006 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.9 c_scangle_it 2.49 c_scbond_it 1.78 c_mcangle_it 1.56 c_angle_deg 1.2 c_mcbond_it 1.11 c_improper_angle_d 0.79 c_bond_d 0.006 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 5114 Nucleic Acid Atoms Solvent Atoms 481 Heterogen Atoms 166
Software Software Software Name Purpose XSCALE data processing CNS refinement PDB_EXTRACT data extraction CrystalClear data collection XDS data reduction XSCALE data scaling MOLREP phasing