2AOZ

Crystal structure of the myotoxin-II from Atropoides nummifer venom


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.6293ammonium sulfate, peg 3350, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.6653.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 68.939α = 90
b = 68.939β = 90
c = 64.069γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2004-05-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONLNLS BEAMLINE D03B-MX11.427LNLSD03B-MX1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.0830.3699.1967192721
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.082.1994.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry: 1MC22.0830.369671920346699.410.23150.221480.218950.27502RANDOM30.485
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]
-1.02-1.022.04
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.96
r_scangle_it2.471
r_scbond_it1.65
r_angle_refined_deg1.398
r_mcangle_it0.907
r_mcbond_it0.498
r_symmetry_hbond_refined0.32
r_symmetry_vdw_refined0.298
r_xyhbond_nbd_refined0.249
r_nbd_refined0.228
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.96
r_scangle_it2.471
r_scbond_it1.65
r_angle_refined_deg1.398
r_mcangle_it0.907
r_mcbond_it0.498
r_symmetry_hbond_refined0.32
r_symmetry_vdw_refined0.298
r_xyhbond_nbd_refined0.249
r_nbd_refined0.228
r_chiral_restr0.093
r_bond_refined_d0.014
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms946
Nucleic Acid Atoms
Solvent Atoms71
Heterogen Atoms5

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing