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Calcium-bound Scallop Myosin Regulatory Domain (Lever Arm) with Reconstituted Complete Light Chains
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1WDC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.3 277 150 mM HEPES pH 7.0, 50 mM Ammonium Sulfate, 0.5 mM Calcium Chloride, 5 mM Magnesium Chloride, 5 mM Sodium Azide, 16.5% (wt/vol) PEG 4000 combined with equal volume of 16.9 mg/ml protein in 5 mM HEPES pH 7, 20 mM NaCl, 2 mM Magnesium Chloride, 0.2 mM Calcium Chloride, 0.1 mM EGTA, 3.0 mM Sodium Azide, Hanging drop vapor diffusion, temperature 277K, VAPOR DIFFUSION, HANGING DROP
Crystal Properties Matthews coefficient Solvent content 2.55 51.8
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 46.71 α = 65.3 b = 52.23 β = 66.4 c = 55.25 γ = 70.24
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 180 mm plate 1996-03-21 SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X12C 1.15 NSLS X12C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.1 50 95.1 0.047 9 1.8 26353 25062 1 1 24.3
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 1WDC 2.1 9.99 24632 22939 2284 93.1 0.2091 0.2091 0.2067 0.2043 0.2306 0.2277 RANDOM 33.04
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] 2.74 2.65 -2.7 -1.43 -2.15 -1.31
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.6 c_scangle_it 5.84 c_scbond_it 4.02 c_mcangle_it 3.52 c_mcbond_it 2.28 c_angle_deg 1.66 c_improper_angle_d 1.1 c_bond_d 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3017 Nucleic Acid Atoms Solvent Atoms 247 Heterogen Atoms 2
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling AMoRE phasing CNS refinement PDB_EXTRACT data extraction