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Minimal human CFTR first nucleotide binding domain as a head-to-tail dimer
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1XMI PDB ENTRY 1XMI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 7.5 281 Protein: 9.5mg/ml NBD1, 0.15M NaCl, 0.01M methionine, 0.01M HEPES pH 7.5, 10% glycerol, 0.001M TCEP, 0.002M ATP; Well: 0.1M Hepes pH 7.5, 25% PEG 6K; Cryo: 25% DMSO, vapor diffusion, temperature 281K
Crystal Properties Matthews coefficient Solvent content 2.09 41.11
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.803 α = 90 b = 92.779 β = 90 c = 107.419 γ = 90
Symmetry Space Group P 21 21 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 MAR CCD 165 mm mirrors 2006-12-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 31-ID 0.9796 APS 31-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 1.7 22.094 98.7 0.086 0.086 5.7 3.7 47121 47121 20.6
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.7 1.79 98.6 0.749 0.749 0.8 3.6 6796
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 Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE PDB ENTRY 1XMI 1.7 21.296 47005 47005 2405 98 0.212 0.212 0.2101 0.2111 0.2468 RANDOM 23.89
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] 0.825 -0.187 -0.639
RMS Deviations Key Refinement Restraint Deviation r_planar_tor 5.601 r_scangle_it 4.438 r_scbond_it 3.056 r_mcangle_it 2.137 r_angle_d 1.358 r_mcbond_it 1.182 r_chiral_restr 0.085 r_bond_d 0.01 r_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3342 Nucleic Acid Atoms Solvent Atoms 194 Heterogen Atoms 64
Software Software Software Name Purpose SCALA data scaling REFMAC refinement PDB_EXTRACT data extraction MAR345 data collection MOSFLM data reduction MOLREP phasing