3Q8F

Crystal structure of 2-Fluorohistine labeled Protective Antigen (pH 5.8)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION729330% PEG 400, 100mM MES, pH 7.0, vapor diffusion, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.3948.55

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 73.292α = 90
b = 93.657β = 90
c = 115.565γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mm2009-10-28SINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 17-BM1.0000APS17-BM

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
12.145.3898.410.05620.29277.434629046290
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)
12.12.2198.10.752.967.526641

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (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 DIFFRACTIONDirect ReplacementPDB entry 3MHZ2.143.40146210234198.050.22430.2220.2674RANDOM52.9572
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]
-4.9936-10.163415.157
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d15.626
f_angle_d1.277
f_chiral_restr0.072
f_bond_d0.011
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5052
Nucleic Acid Atoms
Solvent Atoms124
Heterogen Atoms28

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
PHENIXrefinement
PDB_EXTRACTdata extraction