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Crystal Structure of Acetylcholine-binding Protein (AChBP) from Aplysia californica in complex with an alpha-conotoxin PnIA variant
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1UX2 PDB ENTRY 1UX2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.5 18 % PEG 3350, 180 MM NA2SO4, 100 MM BIS-TRIS PROPANE PH 7.5
Crystal Properties Matthews coefficient Solvent content 2.9 57.5
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 67.473 α = 90 b = 80.085 β = 93.2 c = 134.043 γ = 90
Symmetry Space Group P 1 21 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 CCD 2004-09-30 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-2 ESRF ID14-2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 2.4 50 97.9 0.1 6 3.45 55263 1.8
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.4 2.52 90.4 0.4 1.8 2.98
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1UX2 2.4 19.8 51866 2783 97.8 0.201 0.198 0.25 0.2493 RANDOM 31.99
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] -0.11 0.02 0.05 0.06
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.057 r_dihedral_angle_4_deg 19.245 r_dihedral_angle_3_deg 17.156 r_dihedral_angle_1_deg 7.205 r_scangle_it 1.824 r_angle_refined_deg 1.532 r_scbond_it 1.148 r_mcangle_it 0.811 r_mcbond_it 0.489 r_symmetry_vdw_refined 0.445
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.057 r_dihedral_angle_4_deg 19.245 r_dihedral_angle_3_deg 17.156 r_dihedral_angle_1_deg 7.205 r_scangle_it 1.824 r_angle_refined_deg 1.532 r_scbond_it 1.148 r_mcangle_it 0.811 r_mcbond_it 0.489 r_symmetry_vdw_refined 0.445 r_nbtor_refined 0.308 r_nbd_refined 0.223 r_xyhbond_nbd_refined 0.158 r_symmetry_hbond_refined 0.124 r_chiral_restr 0.09 r_bond_refined_d 0.012 r_gen_planes_refined 0.005 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_mcangle_other r_scbond_other r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8750 Nucleic Acid Atoms Solvent Atoms 235 Heterogen Atoms 25
Software Software Software Name Purpose REFMAC refinement MOSFLM data reduction SCALA data scaling AMoRE phasing