X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.5277The best crystals for inactivated FG41 MSAD were obtained at 4C from 6-micro liter hanging drops consisting of equal amounts of precipitant solution [0.1 M TRIS buffer, pH 8.5, 2.0 M (NH4)H2PO4] and protein solution (24.5 mg/mL in 10 mM sodium phosphate buffer, pH 8)., VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
3.4364.18

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 144.227α = 90
b = 144.227β = 90
c = 144.227γ = 90
Symmetry
Space GroupP 21 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plate2007-12-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-007 HF1.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
12.21102.0696.40.116188241.332

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTThe ligand-free FG41 MSAD was used as the search model for molecular replacement.2.22445.6091.339630191715464496.360.1660.1640.2024Random
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
f_dihedral_angle_d14.251
f_angle_d1.295
f_chiral_restr0.068
f_bond_d0.012
f_plane_restr0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4920
Nucleic Acid Atoms
Solvent Atoms357
Heterogen Atoms105

Software

Software
Software NamePurpose
MAR345dtbdata collection
CaspRmodel building
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling
CaspRphasing