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The x-ray structure of the SAM-dependent uroporphyrinogen III methyltransferase NirE from Pseudomonas aeruginosa in complex with SAH and uroporphyrinogen III
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2YBO PDB ENTRY 2YBO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 8.5 PROTEIN WAS CRYSTALLIZED FROM 1.26 M AMMONIUM SULFATE, 0.2 M LITHIUM SULFATE, 0.1 M TRIS PH 8.5
Crystal Properties Matthews coefficient Solvent content 2.44 46.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 63.853 α = 90 b = 116.702 β = 90 c = 76.988 γ = 90
Symmetry Space Group C 2 2 21
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 MARRESEARCH 2010-12-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON BESSY BEAMLINE 14.2 BESSY 14.2
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 2 35 92.6 0.08 22.8 3.9 18362 2 34.4
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 2 2.05 99.9 0.45 4 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 PDB ENTRY 2YBO 2 32.13 17443 919 100 0.22795 0.22626 0.2408 0.25904 0.2782 RANDOM 33.641
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] -0.14 1.17 -1.03
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.981 r_dihedral_angle_4_deg 20.273 r_dihedral_angle_3_deg 14.191 r_dihedral_angle_1_deg 5.24 r_scangle_it 2.721 r_scbond_it 1.606 r_angle_refined_deg 1.314 r_mcangle_it 1.025 r_mcbond_it 0.563 r_nbtor_refined 0.303
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.981 r_dihedral_angle_4_deg 20.273 r_dihedral_angle_3_deg 14.191 r_dihedral_angle_1_deg 5.24 r_scangle_it 2.721 r_scbond_it 1.606 r_angle_refined_deg 1.314 r_mcangle_it 1.025 r_mcbond_it 0.563 r_nbtor_refined 0.303 r_nbd_refined 0.201 r_symmetry_vdw_refined 0.179 r_symmetry_hbond_refined 0.164 r_xyhbond_nbd_refined 0.129 r_chiral_restr 0.082 r_bond_refined_d 0.011 r_gen_planes_refined 0.005 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_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_mcangle_other r_scbond_other r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1817 Nucleic Acid Atoms Solvent Atoms 129 Heterogen Atoms 86
Software Software Software Name Purpose REFMAC refinement XDS data reduction XSCALE data scaling MOLREP phasing