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Crystal structure of the protease domain of Botulinum Neurotoxin Serotype A with a peptide inhibitor CRGC
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3BWI PDB ENTRY 3BWI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.8 293 22% PEG3350, 0.3 M ammonium sulfate, pH 6.80, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.16 43
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 50.668 α = 90 b = 66.278 β = 98.42 c = 64.768 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 QUANTUM 315 MIRRORS 2009-10-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X29A NSLS X29A
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 1.6 50 91.5 0.078 15.8 12.8 51397 51397 15.2
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 1.6 1.65 62.3 0.298 2.5 7.3 2885
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 (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION DIFFERENCE FOURIER THROUGHOUT PDB ENTRY 3BWI 1.6 29.44 48942 48942 2455 87.3 0.199 0.199 0.1913 0.217 0.2087 RANDOM 23.8
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] 13.01 1.81 -6.12 -6.88
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.6 c_angle_deg 1.2 c_improper_angle_d 0.73 c_bond_d 0.005 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.6 c_angle_deg 1.2 c_improper_angle_d 0.73 c_bond_d 0.005 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 c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3443 Nucleic Acid Atoms Solvent Atoms 331 Heterogen Atoms 21
Software Software Software Name Purpose CBASS data collection CNS refinement HKL-2000 data reduction HKL-2000 data scaling CNS phasing