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Crystal structure of an extremely stable dimeric protein from sulfolobus islandicus
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1MYK PDB ENTRY 1MYK, 1PAR experimental model PDB 1PAR PDB ENTRY 1MYK, 1PAR
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 293 16-22% PEG 4000, 100mM HEPES pH 7.5
, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 1.7877 31.1971
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 33.03 α = 90 b = 33.03 β = 90 c = 85.69 γ = 90
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++ mirrors 2007-07-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-002 1.5418
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 2 85.749 99.6 0.08 0.08 6.307 4.2 6218 26.651
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 2 2.11 99.7 0.623 0.623 1.2 4.2 911
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 1MYK, 1PAR 2 33.03 1.47 11792 5849 1077 96.22 0.177 0.171 0.1682 0.237 0.2359 RANDOM 49.037
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] 5.628 5.628 -15.53
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 21.949 f_angle_d 1.933 f_chiral_restr 0.103 f_bond_d 0.016 f_plane_restr 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 744 Nucleic Acid Atoms Solvent Atoms 41 Heterogen Atoms 6
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction MAR345 data collection