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Crystal Structure of MMP8-Barbiturate Complex Reveals Mechanism for Collagen Substrate Recognition
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 6 291 PEG6000, 10mM CaCl2, 100mM NaCl, Cacodylate pH6.0, VAPOR DIFFUSION, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.58 52.29
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 61.02 α = 90 b = 69.23 β = 90 c = 88.47 γ = 90
Symmetry Space Group I 2 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 275 AREA DETECTOR XENTRONICS monochromator 1996-06-27 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU300 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.8 20 85 16907 14371 2 3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.8 20 85
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 2 8 2 11862 10862 521 0.211 0.1963 0.296 random
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 x_angle_d 1.6 x_bond_d 0.011
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1249 Nucleic Acid Atoms Solvent Atoms 185 Heterogen Atoms 28
Software Software Software Name Purpose AMoRE phasing X-PLOR refinement X-GEN data reduction CCP4 data scaling