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The first X-ray crystal structure of an insect muscle myosin. Drosophila melanogaster, skeletal muscle myosin II, an embryonic isoform, subfragment-1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.1 293 81% (0.1 M (0.03 M Citric acid, 0.07 BIS-TRIS propane, pH 7.1), 22% w/v PEG 3350), 9% Hampton Research Slice pH screen condition F9 (1.0 M TRIS hydrochloride, pH 8.1), and 10% Hampton Research Silver Bullet Bio screen condition E11 (0.2% w/v 1,2-Diaminocyclohexane sulfate, 0.2% w/v Diloxanide furoate, 0.2% w/v Fumaric acid, 0.2% w/v Spermine, 0.2% w/v Sulfaguanidine, 0.02 M HEPES sodium pH 6.8)
Crystal Properties Matthews coefficient Solvent content 2.76 55.49
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 108.554 α = 90 b = 148.582 β = 90 c = 148.734 γ = 90
Symmetry Space Group P 21 21 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 PIXEL DECTRIS PILATUS 6M-F 2012-07-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-C .9795 APS 24-ID-C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) 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 2.227 148.73 99 0.09 0.116 0.053 11 4.48 116714
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.23 2.31 97.3 0.454 2.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 FREE R-VALUE 2.227 105.117 1.34 116624 5842 98.83 0.1805 0.1784 0.1778 0.2197 0.2162 5% randomly selected prior to any refinement
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 10.078 f_angle_d 0.495 f_chiral_restr 0.04 f_plane_restr 0.004 f_bond_d 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 14970 Nucleic Acid Atoms Solvent Atoms 1063 Heterogen Atoms 66
Software Software Software Name Purpose PHENIX refinement XDS data reduction XDS data scaling BALBES phasing