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Structure of a Calmodulin Complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1IWQ PDB ENTRY 1IWQ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7 293 17-19% PEG 3350, 0.120mM Ammonium Phosphate, 15% Ethylene Glycol, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.2 44.2
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 67.768 α = 90 b = 42.737 β = 106.92 c = 62.012 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 CCD ADSC QUANTUM 4 mirrors 2007-09-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X12B 1.0000 NSLS X12B
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 1.85 30 99.8 0.04 0.043 28.1 3.8 14639 14639 -3 25.2
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 1.85 1.92 100 0.298 0.332 4.6 3.8 1457
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 MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1IWQ 1.85 32.74 13948 13948 735 99.71 0.18375 0.18375 0.18125 0.1897 0.23159 0.2401 RANDOM 34.227
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] 0.06 0.04 0.01 -0.05
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.591 r_dihedral_angle_4_deg 21.34 r_dihedral_angle_3_deg 15.499 r_dihedral_angle_1_deg 5.33 r_scangle_it 4.485 r_scbond_it 3.013 r_mcangle_it 1.81 r_angle_refined_deg 1.682 r_mcbond_it 1.244 r_angle_other_deg 0.998
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.591 r_dihedral_angle_4_deg 21.34 r_dihedral_angle_3_deg 15.499 r_dihedral_angle_1_deg 5.33 r_scangle_it 4.485 r_scbond_it 3.013 r_mcangle_it 1.81 r_angle_refined_deg 1.682 r_mcbond_it 1.244 r_angle_other_deg 0.998 r_mcbond_other 0.32 r_symmetry_vdw_other 0.279 r_nbd_refined 0.241 r_xyhbond_nbd_refined 0.195 r_nbd_other 0.193 r_nbtor_refined 0.187 r_symmetry_hbond_refined 0.167 r_metal_ion_refined 0.166 r_symmetry_vdw_refined 0.139 r_chiral_restr 0.107 r_nbtor_other 0.089 r_bond_refined_d 0.02 r_gen_planes_refined 0.007 r_bond_other_d 0.001 r_gen_planes_other 0.001 r_xyhbond_nbd_other r_metal_ion_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1239 Nucleic Acid Atoms Solvent Atoms 79 Heterogen Atoms 4
Software Software Software Name Purpose REFMAC refinement CBASS data collection HKL-2000 data reduction HKL-2000 data scaling PHASER phasing