X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2PTCPDB ID 2PTC

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP829810 mM calcium chloride, 0.1 M HEPES, 2.0 M ammonium sulfate, 0.02% sodium azide; 20% ethylene glycol added upon harvesting and prior to freezing, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
3.1761.16

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 74.591α = 90
b = 81.736β = 90
c = 123.595γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDNONIUS KAPPA CCD2000OSMIC CONFOCAL MAX-FLUX (GREEN)2002-08-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEENRAF-NONIUS FR5911.5418

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
11.652099.70.04621.9104559645459-325.7
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)
11.651.7197.10.2325.644357

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)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 REPLACEMENTTHROUGHOUTPDB ID 2PTC1.6520-34574045459367199.40.20780.20780.20680.2195RANDOM; SAME SET AS FOR PDB IDS 2FI3, 2FI4 AND 2FI518.7
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
c_dihedral_angle_d25.5
c_scangle_it2.176
c_scbond_it1.523
c_mcangle_it1.518
c_angle_deg1.3
c_mcbond_it1.001
c_bond_d0.005
c_bond_d_na
c_bond_d_prot
c_angle_d
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d25.5
c_scangle_it2.176
c_scbond_it1.523
c_mcangle_it1.518
c_angle_deg1.3
c_mcbond_it1.001
c_bond_d0.005
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d
c_improper_angle_d_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2076
Nucleic Acid Atoms
Solvent Atoms238
Heterogen Atoms64

Software

Software
Software NamePurpose
HKL-2000data collection
SCALEPACKdata scaling
CNSrefinement
HKL-2000data reduction
CNSphasing