6KRY

Structure of staphylococcal enterotoxin SEN


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1EVAPORATION827710 mM Tris pH 8.0, 2% (v/v) Tacsimate TM pH 4.0, 0.1 M Sodium acetate trihydrate pH 4.6, 16% (W/v) polyethylene glycol 3350.
Crystal Properties
Matthews coefficientSolvent content
2.4750.17

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42α = 90
b = 64.42β = 110.03
c = 50.14γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2017-12-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRF BEAMLINE BL17U10.97915SSRFBL17U1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
11.864.4298.50.1130.99611.462300711.5
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.81.90.580.859

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.847.1121836115198.380.17240.17060.2075RANDOM18.872
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
r_dihedral_angle_2_deg33.883
r_dihedral_angle_4_deg19.857
r_dihedral_angle_3_deg15.146
r_dihedral_angle_1_deg6.586
r_angle_refined_deg1.541
r_angle_other_deg0.994
r_chiral_restr0.07
r_bond_refined_d0.011
r_gen_planes_refined0.009
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.883
r_dihedral_angle_4_deg19.857
r_dihedral_angle_3_deg15.146
r_dihedral_angle_1_deg6.586
r_angle_refined_deg1.541
r_angle_other_deg0.994
r_chiral_restr0.07
r_bond_refined_d0.011
r_gen_planes_refined0.009
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1821
Nucleic Acid Atoms
Solvent Atoms171
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
MOSFLMdata reduction
SCALAdata scaling
MOLREPphasing