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Structure of the connexin-26 gap junction channel at 3.5 angstrom resolution
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 277 16-18% PEG 200, 0.1M Sodium phosphate, 0.1M Sodium chloride, 0.01M DTT
, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 4.2 70.72
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 167.617 α = 90 b = 111.245 β = 114.04 c = 155.387 γ = 90
Symmetry Space Group C 1 2 1
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 Bruker DIP-6040 2007-05-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SPRING-8 BEAMLINE BL44XU 0.9000 SPring-8 BL44XU
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 3.5 141 94.1 0.085 0.085 26.1 11.2 33085 31138 93.594
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) 3.5 3.63 94.9 0.378 0.378 3.1 5.9 3266
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MIR THROUGHOUT 3.5 22 29595 1565 94.6 0.33755 0.3368 0.35123 0.3053 RANDOM 137.197
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] 3.74 2.23 1.57 -3.49
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.025 r_dihedral_angle_3_deg 21.837 r_scangle_it 9.088 r_dihedral_angle_4_deg 7.672 r_scbond_it 6.161 r_dihedral_angle_1_deg 6.118 r_mcangle_it 5.434 r_mcbond_it 2.717 r_angle_refined_deg 1.352 r_symmetry_vdw_refined 0.364
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.025 r_dihedral_angle_3_deg 21.837 r_scangle_it 9.088 r_dihedral_angle_4_deg 7.672 r_scbond_it 6.161 r_dihedral_angle_1_deg 6.118 r_mcangle_it 5.434 r_mcbond_it 2.717 r_angle_refined_deg 1.352 r_symmetry_vdw_refined 0.364 r_nbtor_refined 0.329 r_nbd_refined 0.289 r_symmetry_hbond_refined 0.23 r_xyhbond_nbd_refined 0.196 r_chiral_restr 0.106 r_bond_refined_d 0.012 r_gen_planes_refined 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 9834 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement DENZO data reduction SCALEPACK data scaling SHARP phasing