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Streptavidin Mutant S27A at 1.5A Resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1SWA PDB Entry 1SWA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 4.5 293 MPD, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 1.9 42.66
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 58.18 α = 90 b = 83.2 β = 98.7 c = 47.58 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 120 IMAGE PLATE RIGAKU RAXIS II mirrors 1998-05-05 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 1.53 50 63.4 0.035 45389 45389
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-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION isomorphous FREE R PDB Entry 1SWA 1.53 10 45181 45181 4518 67.5 0.1568 0.1568 0.1449 0.2433 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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 15 3334 3991
RMS Deviations Key Refinement Restraint Deviation s_zero_chiral_vol 0.109 s_non_zero_chiral_vol 0.105 s_approx_iso_adps 0.073 s_from_restr_planes 0.0307 s_angle_d 0.03 s_similar_adp_cmpnt 0.022 s_anti_bump_dis_restr 0.017 s_bond_d 0.008 s_rigid_bond_adp_cmpnt 0.002 s_similar_dist
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3631 Nucleic Acid Atoms Solvent Atoms 419 Heterogen Atoms 40
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling SHELXL-97 refinement