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Crystal structure of a RAS p21 protein activator (RASA1) from Homo sapiens at 2.25 A resolution
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 277 20.00% Glycerol, 1.600M NH4H2PO4, 0.1M TRIS pH 8.5, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.47 64.58
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 82.22 α = 90 b = 82.22 β = 90 c = 157.212 γ = 120
Symmetry Space Group P 61 2 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 PIXEL DECTRIS PILATUS 6M Flat mirror (vertical focusing), single crystal Si(111) bent monochromator (horizontal focusing) 2012-02-08 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL11-1 0.91837,0.97968,0.97901 SSRL BL11-1
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 2.25 29.449 99.7 0.223 7.78 15649 -3 36.791
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 2.25 2.33 98.6 0.015 1.4
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MAD THROUGHOUT 2.25 29.449 15582 780 0.2144 0.2133 0.2133 0.2374 0.2426 RANDOM 36.462
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] -2.1845 -2.1845 4.3691
RMS Deviations Key Refinement Restraint Deviation t_omega_torsion 4.55 t_other_torsion 2.69 t_angle_deg 1.12 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 4.55 t_other_torsion 2.69 t_angle_deg 1.12 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 1499 Nucleic Acid Atoms Solvent Atoms 71 Heterogen Atoms 14
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