1WVR

Crystal Structure of a CRISP family Ca-channel blocker derived from snake venom


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8293Tris-HCl, PEG 400, sodium acetate, sodium cadmium, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
3.160

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 83.374α = 90
b = 83.374β = 90
c = 85.68γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHmirrors2002-12-02MSINGLE WAVELENGTH
21x-rayMMAD
1,21
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL41XU1.0403SPring-8BL41XU
21.0403, 1.0406, 1.0457

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
1,22.338.1199.40.0630.0638.25140531396946.1
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1,22.32.4299.40.5180.481.61965

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONCrystal 1 SINGLE WAVELENGTH PROTOCOL, Crysatl 2 MAD PROTOCOLTHROUGHOUT2.438.11138441223560999.20.2270.2270.282RANDOM56.5
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]
9.579.57-19.14
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24.2
c_scangle_it3.21
c_mcangle_it2.26
c_scbond_it2.25
c_mcbond_it1.36
c_angle_deg1.2
c_improper_angle_d0.81
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1734
Nucleic Acid Atoms
Solvent Atoms140
Heterogen Atoms9

Software

Software
Software NamePurpose
CNSrefinement
MAR345data collection
CCP4data scaling
SHARPphasing