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A mutant of the nitrile hydratase from Geobacillus pallidus having enhanced thermostability
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3HHT
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 295 30% PEG400, 100mM magnesium chloride, 100mM MES (2[N-Morpholino]ethanesulfonic acid), 10-40mg/ml protein, pH 6.5, vapor diffusion, hanging drop, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.34 47.51
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 106.499 α = 90 b = 106.499 β = 90 c = 83.006 γ = 90
Symmetry Space Group P 41 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 110 CCD MARMOSAIC 225 mm CCD mirrors 2007-07-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM14 0.979 ESRF BM14
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 1.8 75.31 100 0.059 17.5 13.76 615278 11.46
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.8 1.86 100 0.336 5.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 3hht 1.8 75.31 41933 2221 98.67 0.18 0.178 0.1827 0.2173 0.2232 RANDOM 17.52
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] 0.13 0.13 -0.25
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.298 r_dihedral_angle_4_deg 18.133 r_dihedral_angle_3_deg 13.97 r_dihedral_angle_1_deg 5.79 r_angle_refined_deg 2.021 r_angle_other_deg 1.046 r_chiral_restr 0.132 r_bond_refined_d 0.026 r_gen_planes_refined 0.011 r_bond_other_d 0.001
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.298 r_dihedral_angle_4_deg 18.133 r_dihedral_angle_3_deg 13.97 r_dihedral_angle_1_deg 5.79 r_angle_refined_deg 2.021 r_angle_other_deg 1.046 r_chiral_restr 0.132 r_bond_refined_d 0.026 r_gen_planes_refined 0.011 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3487 Nucleic Acid Atoms Solvent Atoms 341 Heterogen Atoms 3
Software Software Software Name Purpose REFMAC refinement d*TREK data scaling PDB_EXTRACT data extraction MOSFLM data reduction MOLREP phasing