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Crystal Structure of Monomeric Actin Bound to Ca-ATP
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3EKU Protein only from 3EKU
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 5.2 277 20% MPD, 0.1M sodium acetate, 0.1M NaCl, 0.02M CaCl2, pH 5.2, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.44 49.63
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 206.634 α = 90 b = 54.023 β = 98.16 c = 36.972 γ = 90
Symmetry Space Group C 1 2 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 MAR scanner 345 mm plate 2004-09-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH3R 1.5418
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 2.5 15 95.8 0.093 12.8 3.4 13523 13523
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) 2.5 2.59 77.7 0.268 3.2 1088
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 THROUGHOUT Protein only from 3EKU 2.5 15 12698 12698 1249 90.1 0.231 0.231 0.203 0.1943 0.262 0.2542 same cross-validated reflections as used for refinement of 3EKU 31.53
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] -15.616 -10.563 15.432 0.184
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 2.696 c_mcangle_it 1.924 c_scbond_it 1.798 c_angle_deg 1.28 c_mcbond_it 1.172 c_bond_d 0.0064
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2822 Nucleic Acid Atoms Solvent Atoms 196 Heterogen Atoms 33
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling CNS refinement PDB_EXTRACT data extraction MAR345dtb data collection EPMR phasing