4ZJX

Crystal structure of the catalytic domain of botulinum neurotoxin serotype A with a Novel Cyclic Peptide Inhibitor


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.529325% PEG 3350, BIs-Tris and Lithium Sulfate
Crystal Properties
Matthews coefficientSolvent content
2.1542.72

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 50.889α = 90
b = 66.367β = 98.51
c = 64.863γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152012-11-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X29A0.979NSLSX29A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.945091.80.1369.312.528926
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.942.0259.30.451.56.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT3BWI1.9442.8327451146191.30.180.1770.229RANDOM32.47
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]
5.081.13-2.44-2.68
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.376
r_dihedral_angle_3_deg15.542
r_dihedral_angle_4_deg14.454
r_dihedral_angle_1_deg6.936
r_angle_refined_deg1.867
r_angle_other_deg0.929
r_chiral_restr0.117
r_bond_refined_d0.019
r_gen_planes_refined0.009
r_bond_other_d0.002
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.376
r_dihedral_angle_3_deg15.542
r_dihedral_angle_4_deg14.454
r_dihedral_angle_1_deg6.936
r_angle_refined_deg1.867
r_angle_other_deg0.929
r_chiral_restr0.117
r_bond_refined_d0.019
r_gen_planes_refined0.009
r_bond_other_d0.002
r_gen_planes_other0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
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 AtomsNumber
Protein Atoms3441
Nucleic Acid Atoms
Solvent Atoms183
Heterogen Atoms16

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
REFMACphasing