1CQV

CRYSTAL STRUCTURE OF STAPHYLOCOCCAL ENTEROTOXIN C2 AT 100K CRYSTALLIZED AT PH 5.0


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP529120% PEG 8000, 0.2M MAGNESIUM ACETATE, 0.1M CACODYLATE AT PH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthew coefficientSolvent content
2.1543.3

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.683α = 90
b = 42.683β = 90
c = 289.149γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM1997-07-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X12BNSLSX12B

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
12.065089.40.0333.6516187
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)
2.052.12450.042

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMEN1SE22.0612.52151790.2080.28RANDOM
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
p_transverse_tor25.1
p_staggered_tor18.1
p_planar_tor7.5
p_scangle_it3.92
p_mcangle_it3.33
p_scbond_it2.73
p_mcbond_it2.26
p_angle_d0.206
p_bond_d0.187
p_planar_d0.098
RMS Deviations
KeyRefinement Restraint Deviation
p_transverse_tor25.1
p_staggered_tor18.1
p_planar_tor7.5
p_scangle_it3.92
p_mcangle_it3.33
p_scbond_it2.73
p_mcbond_it2.26
p_angle_d0.206
p_bond_d0.187
p_planar_d0.098
p_special_tor
p_singtor_nbd
p_multtor_nbd
p_xhyhbond_nbd
p_xyhbond_nbd
p_hb_or_metal_coord
p_angle_deg
p_orthonormal_tor
p_plane_restr
p_chiral_restr
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1865
Nucleic Acid Atoms
Solvent Atoms163
Heterogen Atoms1

Software

Software
Software NamePurpose
ADSdata collection
SCALEPACKdata scaling
AMoREphasing
REFMACrefinement
ADSCdata collection