8AMY

High-resolution crystal structure of the Mu8.1 conotoxin from Conus Mucronatus


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.529418% PEG 5000 MME. 0.2 M Ammonium sulfate, 0.1 M MES.
Crystal Properties
Matthews coefficientSolvent content
2.3547.73

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.86α = 90
b = 52.86β = 90
c = 137.43γ = 90
Symmetry
Space GroupI 41 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2019-06-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMAX IV BEAMLINE BioMAX0.976254MAX IVBioMAX

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)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
11.6734.6298.870.067420.071470.02320.99916.598.22122230.23
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.671.7391.62110.62060.4641.033.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE7PX21.6734.621.3421221107098.150.17030.16870.200141
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.8957
f_angle_d1.6669
f_chiral_restr0.0681
f_bond_d0.015
f_plane_restr0.0123
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms680
Nucleic Acid Atoms
Solvent Atoms70
Heterogen Atoms39

Software

Software
Software NamePurpose
PHENIXrefinement
xia2data reduction
XSCALEdata scaling
PHASERphasing