X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1G4EPDB Entry 1G4E

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1hanging drop vapor diffusion with micro seeding7.527775mM TRIS-HCl, 75 mM MgCl2, 21-22% PEG4000, pH 7.5, hanging drop vapor diffusion with micro seeding, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.0138.22

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 76.28α = 90
b = 76.28β = 90
c = 139.59γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDSAXII1998-11-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODE

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
12.553.9495.70.0477.18.11428917.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation 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 DIFFRACTIONTHROUGHOUTPDB Entry 1G4E2.553.941428971395.70.2190.2190.295RANDOM10.4
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]
-0.69-0.691.38
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.6
c_scangle_it3.02
c_mcangle_it2.02
c_scbond_it2
c_mcbond_it1.24
c_angle_deg1.2
c_improper_angle_d0.76
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3254
Nucleic Acid Atoms
Solvent Atoms175
Heterogen Atoms44

Software

Software
Software NamePurpose
CNSrefinement
MOSFLMdata reduction
CCP4data scaling
CNSphasing