X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOtherAllured et al (1986) Proc. Natl. Acad. Sci., 83, 1320-1324.

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8281PEG 8000, sodium chloride, hepes, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 281K
Crystal Properties
Matthews coefficientSolvent content
2.5251.23

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 59.52α = 90
b = 98.12β = 97.3
c = 58.26γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKUmirrors1998-03-04MSINGLE WAVELENGTH
21x-rayIMAGE PLATEMARRESEARCHdouble crystal monochromator1998-06-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU1.5418
2SYNCHROTRONSSRL BEAMLINE BL7-11.0SSRLBL7-1

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
1,21.62502221.4

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 REPLACEMENTTHROUGHOUT3A EXOTOXIN A model (ref. 3)1.6249.798028780287647795.20.20950.2090.2090.235RANDOM27.5
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]
-5.49-1.572.822.67
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.6
c_scangle_it6.92
c_scbond_it4.58
c_mcangle_it3.99
c_mcbond_it2.5
c_angle_deg1.4
c_improper_angle_d0.94
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4637
Nucleic Acid Atoms
Solvent Atoms546
Heterogen Atoms4

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNSrefinement