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Crystal structure of the sodium proton antiporter, NapA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.8 0.001 M ZINC SULPHATE, 0.05 M HEPES PH 7.8 AND 22% PEG 600
Crystal Properties Matthews coefficient Solvent content 3.6 66
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 73.75 α = 90 b = 82.15 β = 90 c = 191.81 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 287 CCD MARRESEARCH 2012-05-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID23-2 ESRF ID23-2
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 2.98 64 100 0.08 18.8 11 12265 -3 90.16
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 2.98 3.06 100 0.95 2.8 9.3
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MIRAS NONE 2.984 47.953 1.36 12231 1085 99.92 0.2237 0.2224 0.2354 0.2482 0.2703
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 f_dihedral_angle_d 15.765 f_angle_d 1.126 f_chiral_restr 0.068 f_bond_d 0.008 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2822 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 2
Software Software Software Name Purpose PHENIX refinement XDS data reduction XSCALE data scaling SHARP phasing