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1.39 Angstrom crystal structure of Fe-only hydrogenase
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1FEH PDB entry 1FEH
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 capillary diffusion 4.6 298 25% PEG 4000, 0.1M Sodium acetate (pH 4.6),0.1M Sodium sulfate, capillary diffusion, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.48 50.48
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 110.75 α = 90 b = 110.75 β = 90 c = 103.54 γ = 90
Symmetry Space Group P 42 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 100 CCD ADSC QUANTUM 4 1999-08-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL9-3 0.95364 SSRL BL9-3
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.39 46.9 93.5 0.09 12.6 5.1 121060 2.5
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.39 1.45 0.57 2.5 4.4
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION AB INITIO FREE R PDB entry 1FEH 1.39 10 119840 113858 5982 93.2 0.14 0.132 0.1444 0.194 RANDOM 19.405
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 s_approx_iso_adps 0.084 s_non_zero_chiral_vol 0.059 s_similar_adp_cmpnt 0.057 s_zero_chiral_vol 0.051 s_anti_bump_dis_restr 0.034 s_angle_d 0.029 s_from_restr_planes 0.028 s_bond_d 0.011 s_rigid_bond_adp_cmpnt 0.003 s_similar_dist
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4461 Nucleic Acid Atoms Solvent Atoms 667 Heterogen Atoms 72
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling MOLREP phasing SHELX refinement PDB_EXTRACT data extraction SHELXL-97 refinement