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Mammalian Shaker Kv1.2 potassium channel- beta subunit complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1EXB PDB ENTRY 1EXB
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 293 peg 400, potassium chloride, tris buffer, EDTA, DTT, TCEP, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 4.47 68
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 113.605 α = 90 b = 113.605 β = 90 c = 260.473 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 ADSC QUANTUM 315 NSLS X25 2005-06-03 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X25 1.1 NSLS X25
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.9 30 99 0.072 10.8 2.92 36056 36056 -3 60.4
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.9 3 99.9 0.477 2.1 2.9 3636
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 PDB ENTRY 1EXB 2.9 29.48 36056 33343 1776 91.6 0.224 0.222 0.222 0.2238 0.252 0.2555 RANDOM 89.1
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] -17.57 -17.57 35.14
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 20.6 c_scangle_it 1.91 c_mcangle_it 1.49 c_angle_deg 1.3 c_scbond_it 1.2 c_improper_angle_d 0.91 c_mcbond_it 0.84 c_bond_d 0.013 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 20.6 c_scangle_it 1.91 c_mcangle_it 1.49 c_angle_deg 1.3 c_scbond_it 1.2 c_improper_angle_d 0.91 c_mcbond_it 0.84 c_bond_d 0.013 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4860 Nucleic Acid Atoms Solvent Atoms 83 Heterogen Atoms 54
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling MOLREP phasing