X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1KTRPDB entry 1KTR

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5277PEG 8000, magnesium acetate, pH 6.5, vapor diffusion, hanging drop, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
3.867.6

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 266.637α = 90
b = 266.637β = 90
c = 266.637γ = 90
Symmetry
Space GroupF 2 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCDMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 23-ID-BAPS23-ID-B

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
13.1154.30399.60.1240.12413.55.62838428384
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
13.13.271000.3420.3422.15.64134

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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 1KTR3.1154.328371143999.540.18580.18310.2378RANDOM69.6674
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_deg37.673
r_dihedral_angle_3_deg23.12
r_dihedral_angle_4_deg18.743
r_dihedral_angle_1_deg8.268
r_scangle_it2.295
r_angle_refined_deg1.871
r_scbond_it1.344
r_mcangle_it0.93
r_mcbond_it0.455
r_chiral_restr0.109
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.673
r_dihedral_angle_3_deg23.12
r_dihedral_angle_4_deg18.743
r_dihedral_angle_1_deg8.268
r_scangle_it2.295
r_angle_refined_deg1.871
r_scbond_it1.344
r_mcangle_it0.93
r_mcbond_it0.455
r_chiral_restr0.109
r_bond_refined_d0.016
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7272
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software NamePurpose
SCALAdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction
MAR345dtbdata collection
XSCALEdata scaling