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Crystal structure of a 3alpha-hydroxysteroid dehydrogenase (BaiA2) associated with secondary bile acid synthesis from Clostridium scindens VPI12708 in complex with a putative NAD(+)-OH- adduct at 2.0 A resolution
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 293 0.1M tris hydrochloride pH 8.5, 30% polyethylene glycol 4000, 0.2M sodium acetate, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.25 45.27
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 68.512 α = 90 b = 92.891 β = 90.78 c = 82.915 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 CCD MARMOSAIC 325 mm CCD double crystal monochromator 2010-05-14 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL9-2 0.91162, 0.97936, 0.97919 SSRL BL9-2
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 29.007 97.2 0.091 12.6 3.8 68376 -3 25.317
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 2.05 88.9 0.649 2.3 3.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MAD THROUGHOUT 2 29.007 68331 3444 97.36 0.1534 0.1519 0.182 0.1726 RANDOM 30.2578
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] 7.151 -2.0607 -0.1745 -6.9766
RMS Deviations Key Refinement Restraint Deviation t_omega_torsion 3.09 t_other_torsion 2.73 t_angle_deg 1 t_bond_d 0.01 t_dihedral_angle_d t_trig_c_planes t_gen_planes t_it t_nbd t_improper_torsion
RMS Deviations Key Refinement Restraint Deviation t_omega_torsion 3.09 t_other_torsion 2.73 t_angle_deg 1 t_bond_d 0.01 t_dihedral_angle_d t_trig_c_planes t_gen_planes t_it t_nbd t_improper_torsion t_pseud_angle t_chiral_improper_torsion t_sum_occupancies t_utility_distance t_utility_angle t_utility_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7440 Nucleic Acid Atoms Solvent Atoms 751 Heterogen Atoms 188
Software Software Software Name Purpose MolProbity model building PDB_EXTRACT data extraction SHELX phasing SHARP phasing XSCALE data scaling BUSTER-TNT refinement XDS data reduction SHELXD phasing BUSTER refinement