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Crystal Structure of an Octomeric Two-Subunit TrkA K+ Channel Ring Gating Assembly, TM1088A:TM1088B, from Thermotoga maritima
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2G1U
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 298 0.1 M Magnesium Chloride, 15% PEG 4000, 0.1M HEPES, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.57 52.14
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 96.778 α = 90 b = 96.778 β = 90 c = 305.098 γ = 120
Symmetry Space Group P 32 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 ADSC QUANTUM 315r 2007-05-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.3 1.0 ALS 5.0.3
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 3.45 48.39 99.9 22866 22866
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3.45 3.57 100
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 MAD THROUGHOUT 2G1U 3.45 48.39 21497 21497 1164 99.91 0.26134 0.26134 0.25893 0.2772 0.30827 0.2885 RANDOM 41.705
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] 0.59 0.3 0.59 -0.89
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.577 r_dihedral_angle_3_deg 19.329 r_dihedral_angle_4_deg 15.693 r_scangle_it 4.513 r_dihedral_angle_1_deg 4.358 r_scbond_it 2.696 r_mcangle_it 1.192 r_angle_refined_deg 0.966 r_mcbond_it 0.537 r_chiral_restr 0.065
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.577 r_dihedral_angle_3_deg 19.329 r_dihedral_angle_4_deg 15.693 r_scangle_it 4.513 r_dihedral_angle_1_deg 4.358 r_scbond_it 2.696 r_mcangle_it 1.192 r_angle_refined_deg 0.966 r_mcbond_it 0.537 r_chiral_restr 0.065 r_bond_refined_d 0.006 r_gen_planes_refined 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8952 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 93
Software Software Software Name Purpose HKL-2000 data collection PHASER phasing REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling