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Crystal structure of ferric citrate transporter FecA in complex with iron-free citrate
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1KMO PDB accession code 1KMO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.2 295 PEG1000, LDAO, sodium citrate, sodium chloride , pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.91 57.68
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 113.07 α = 90 b = 89.31 β = 90 c = 95.79 γ = 90
Symmetry Space Group P 21 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 2001-02-05 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-1 0.9180 ESRF ID14-1
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 2.15 29.06 98.1 0.112 10.5 4 54025 52397 1 1 23.3
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) 2.15 2.2 90.1 0.41 2.3 2.3 3498
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB accession code 1KMO 2.15 19.93 52350 51234 2608 98.1 0.246 0.233 0.233 0.222 0.257 0.2504 RANDOM 34.8
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] -2.66 -2.14 4.8
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 26.7 c_scangle_it 3.66 c_scbond_it 2.65 c_mcangle_it 2.1 c_angle_deg 1.5 c_mcbond_it 1.31 c_improper_angle_d 1.03 c_bond_d 0.006 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 26.7 c_scangle_it 3.66 c_scbond_it 2.65 c_mcangle_it 2.1 c_angle_deg 1.5 c_mcbond_it 1.31 c_improper_angle_d 1.03 c_bond_d 0.006 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5166 Nucleic Acid Atoms Solvent Atoms 256 Heterogen Atoms 26
Software Software Software Name Purpose CNS refinement MOSFLM data reduction CCP4 data scaling MOLREP phasing