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ANISOTROPIC STRUCTURE OF PROTEIN G IGG-BINDING DOMAIN III AT 1.1 ANGSTROM RESOLUTION
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1IGD PDB ENTRY 1IGD
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.8 CRYSTALS WERE GROWN BY HANGING DROP VAPOUR DIFFUSION FROM 24-26% PEG 4000, 10MM SODIUM ACETATE AT PH 4.8 AND 0.01% SODIUM AZIDE. CELL PARAMETERS ARE NOT THOSE DETERMINED EXPERIMENTALLY. THEY WERE ADJUSTED ON THE BASIS OF THE ENGH & HUBER DICTIONARY AT THE END OF REFINEMENT. THE EXPERIMENTAL ESTIMATES WERE KNOWN TO HAVE POTENTIAL ERRORS DUE TO INACCURACIES IN THE CRYSTAL-TO-DETECTOR AND WAVELENGTH CALIBRATION., vapor diffusion - hanging drop
Crystal Properties Matthews coefficient Solvent content 2.23 45
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 35.05 α = 90 b = 40.5 β = 90 c = 42.37 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 300 IMAGE PLATE MARRESEARCH TOROIDAL MIRROR 1992-04-23 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X31 EMBL/DESY, HAMBURG X31
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 1.1 10.1 97.9 0.037 0.037 39 4.8 24145
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 1.1 1.12 98.1 0.104 0.104 12 3.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION INITIAL MODEL WAS PREVIOUSLY OBTAINED STRUCTURE FREE R-VALUE PDB ENTRY 1IGD 1.1 10 24145 1233 97.9 0.097 0.097 0.125 5%, RANDOMLY
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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 9 409.9 571.7
RMS Deviations Key Refinement Restraint Deviation s_from_restr_planes 0.371 s_non_zero_chiral_vol 0.139 s_approx_iso_adps 0.117 s_zero_chiral_vol 0.115 s_similar_adp_cmpnt 0.042 s_angle_d 0.028 s_bond_d 0.02 s_rigid_bond_adp_cmpnt 0.006 s_similar_dist s_anti_bump_dis_restr
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 468 Nucleic Acid Atoms Solvent Atoms 106 Heterogen Atoms
Software Software Software Name Purpose SHELXL-96 model building SHELXL-96 refinement DENZO data reduction SCALEPACK data scaling SHELXL-96 phasing