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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 25% (v/v) ethylene glycol , pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.59 52.53
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 62.114 α = 90 b = 64.398 β = 90 c = 97 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 100 CCD ADSC QUANTUM 315r 2008-07-20 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 1.55 50 99.3 395401 28472
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 1.55 1.61 94.1
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 MOLECULAR REPLACEMENT THROUGHOUT 2G1U 1.55 48.5 28472 27001 1438 99.25 0.15926 0.15926 0.1578 0.2121 0.18741 0.2409 RANDOM 17.187
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] 1.69 -0.12 -1.57
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.485 r_dihedral_angle_4_deg 11.902 r_scangle_it 11.862 r_dihedral_angle_3_deg 11.529 r_scbond_it 7.968 r_dihedral_angle_1_deg 6.295 r_mcangle_it 4.818 r_mcbond_it 3.082 r_rigid_bond_restr 1.999 r_angle_refined_deg 1.48
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.485 r_dihedral_angle_4_deg 11.902 r_scangle_it 11.862 r_dihedral_angle_3_deg 11.529 r_scbond_it 7.968 r_dihedral_angle_1_deg 6.295 r_mcangle_it 4.818 r_mcbond_it 3.082 r_rigid_bond_restr 1.999 r_angle_refined_deg 1.48 r_angle_other_deg 1.369 r_mcbond_other 0.813 r_chiral_restr 0.085 r_bond_refined_d 0.014 r_gen_planes_refined 0.005 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1254 Nucleic Acid Atoms Solvent Atoms 89 Heterogen Atoms
Software Software Software Name Purpose HKL-2000 data collection PHASER phasing REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling