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Crystal Structure of IscA with the [2Fe-2S] cluster
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.2 277 2.5M NaCl, 0.1M Potassium phosphate pH6.2, 5MM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.7 54.6
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 77.472 α = 90 b = 102.788 β = 90 c = 137.032 γ = 90
Symmetry Space Group I 2 2 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 Bruker DIP-6040 2004-07-07 M MAD 2 1 x-ray 100 IMAGE PLATE DIP6040 2004-09-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SPRING-8 BEAMLINE BL44XU 0.900 SPring-8 BL44XU 2 SYNCHROTRON SPRING-8 BEAMLINE BL44XU 0.900 SPring-8 BL44XU
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 1,2 2.5 80 96 0.071 39.4 12.5 19261 59.41
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) 2.5 2.59 96.6 0.311 3.5 6.7
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 MAD THROUGHOUT 2.5 30 18065 932 98.39 0.20302 0.20107 0.256 0.2415 0.2558 RANDOM 69.352
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] 2.69 -1.48 -1.2
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.483 r_dihedral_angle_4_deg 23.6 r_dihedral_angle_3_deg 22.192 r_dihedral_angle_1_deg 8.983 r_scangle_it 5.633 r_scbond_it 3.42 r_angle_refined_deg 2.503 r_mcangle_it 2.171 r_mcbond_it 1.141 r_nbtor_refined 0.34
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.483 r_dihedral_angle_4_deg 23.6 r_dihedral_angle_3_deg 22.192 r_dihedral_angle_1_deg 8.983 r_scangle_it 5.633 r_scbond_it 3.42 r_angle_refined_deg 2.503 r_mcangle_it 2.171 r_mcbond_it 1.141 r_nbtor_refined 0.34 r_nbd_refined 0.276 r_symmetry_vdw_refined 0.26 r_symmetry_hbond_refined 0.25 r_xyhbond_nbd_other 0.183 r_xyhbond_nbd_refined 0.166 r_chiral_restr 0.14 r_bond_refined_d 0.028 r_gen_planes_refined 0.009 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3302 Nucleic Acid Atoms Solvent Atoms 36 Heterogen Atoms 10
Software Software Software Name Purpose REFMAC refinement DENZO data reduction SCALEPACK data scaling SHARP phasing