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1.15 Angstrom crystal structure of P.pastoris aquaporin, Aqy1, in a closed conformation at pH 3.5
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1J4N PDB ENTRY 1J4N
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 3.5 28% PEG400, 100 MM SODIUM CITRATE PH=3.5, 200 MM LITHIUM SULFATE
Crystal Properties Matthews coefficient Solvent content 2.43 49.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 91.447 α = 90 b = 91.447 β = 90 c = 80.819 γ = 90
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 MIRRORS 2007-09-08 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 1.15 20 94.7 0.08 9.31 4.1 111455
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 1.15 1.2 99.1 0.73 2.16 3.3
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) 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 FREE R-VALUE PDB ENTRY 1J4N 1.15 20 105882 5573 90 0.14 0.146 0.165 0.1592 RANDOM
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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 9 1936.39 2192.03
RMS Deviations Key Refinement Restraint Deviation s_approx_iso_adps 0.125 s_non_zero_chiral_vol 0.079 s_zero_chiral_vol 0.078 s_similar_adp_cmpnt 0.034 s_angle_d 0.03 s_from_restr_planes 0.023 s_bond_d 0.013 s_rigid_bond_adp_cmpnt 0.01 s_similar_dist s_anti_bump_dis_restr
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2001 Nucleic Acid Atoms Solvent Atoms 143 Heterogen Atoms 123
Software Software Software Name Purpose SHELXL-97 refinement XDS data reduction XSCALE data scaling PHASER phasing