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Crystal Structure of Calcium-Saturated Calmodulin N-Terminal Domain Fragment, Residues 1-75
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3CLN PDB ENTRY 3CLN
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.5 277.15 100 mM Na acetate, 0.01% Na azide, 21.25% PEG 8000, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.15K
Crystal Properties Matthews coefficient Solvent content 1.97 37.62
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 34.352 α = 90 b = 66.096 β = 90 c = 57.823 γ = 90
Symmetry Space Group C 2 2 21
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++ Osmic Blue Mirrors 2004-10-06 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 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 1.45 15.24 97.8 0.049 19.4 3.7 11740 11740
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 1.45 1.53 94.2 0.248 3.3 3.5
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 (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 3CLN 1.6 15.24 8458 8458 418 98.56 0.20069 0.19749 0.1971 0.26916 0.262 RANDOM 13.911
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] 0.66 0.32 -0.98
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 29.387 r_dihedral_angle_4_deg 18.216 r_dihedral_angle_3_deg 13.072 r_dihedral_angle_1_deg 4.592 r_scangle_it 3.962 r_scbond_it 2.379 r_mcangle_it 1.279 r_angle_refined_deg 1.226 r_mcbond_it 0.861 r_symmetry_hbond_refined 0.346
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 29.387 r_dihedral_angle_4_deg 18.216 r_dihedral_angle_3_deg 13.072 r_dihedral_angle_1_deg 4.592 r_scangle_it 3.962 r_scbond_it 2.379 r_mcangle_it 1.279 r_angle_refined_deg 1.226 r_mcbond_it 0.861 r_symmetry_hbond_refined 0.346 r_nbtor_refined 0.308 r_nbd_refined 0.232 r_xyhbond_nbd_refined 0.136 r_symmetry_vdw_refined 0.131 r_metal_ion_refined 0.089 r_chiral_restr 0.076 r_bond_refined_d 0.012 r_gen_planes_refined 0.004 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 575 Nucleic Acid Atoms Solvent Atoms 106 Heterogen Atoms 2
Software Software Software Name Purpose CrystalClear data collection PHASER phasing REFMAC refinement MOSFLM data reduction SCALA data scaling