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Crystal structure of human cholesterol sulfotransferase (SULT2B1b) in the presence of DHEA and PAP
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1Q20 SULT2B1b with PAP and pregnenolone bound, PDB entry 1Q20
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 298 sodium citrate and imidizole, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 75.859 α = 90 b = 75.859 β = 90 c = 253.807 γ = 90
Symmetry Space Group P 41 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 IMAGE PLATE RIGAKU RAXIS IV MSC Blue mirrors 2003-07-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU300 1.54
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 2.5 50 96 0.119 25.9 5.5 25505 25505 -3 44.7
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) 2.5 2.59 86.8 0.377 3.5 4 2245
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 SULT2B1b with PAP and pregnenolone bound, PDB entry 1Q20 2.5 48.67 0.02 25884 24693 1191 93 0.222 0.221 0.221 0.2228 0.252 0.2533 RANDOM 47.8
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] -2 -2 4
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.8 c_scangle_it 2.54 c_mcangle_it 1.99 c_scbond_it 1.69 c_angle_deg 1.3 c_mcbond_it 1.21 c_improper_angle_d 0.92 c_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2325 Nucleic Acid Atoms Solvent Atoms 63 Heterogen Atoms 49
Software Software Software Name Purpose CNS refinement SCALEPACK data scaling CNS phasing