X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2TCTPDB ENTRY 2TCT

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1812% PEG 6000, 2.0 M NACL, pH 8
Crystal Properties
Matthews coefficientSolvent content
2.244

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 68.686α = 90
b = 68.686β = 90
c = 178.673γ = 90
Symmetry
Space GroupI 41 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH SX-165MIRRORS2004-04-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X13EMBL/DESY, HAMBURGX13

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
11.4964.5595.90.0432.13.932272-321.1
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)
11.491.5292.60.632.13.6

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 2TCT1.4964.5532272170396.120.185850.185020.20146RANDOM17.095
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]
0.580.58-1.16
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.035
r_dihedral_angle_4_deg15.319
r_dihedral_angle_3_deg13.331
r_dihedral_angle_1_deg5.371
r_scangle_it3.968
r_scbond_it2.66
r_mcangle_it1.697
r_angle_refined_deg1.692
r_mcbond_it1.034
r_angle_other_deg0.933
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.035
r_dihedral_angle_4_deg15.319
r_dihedral_angle_3_deg13.331
r_dihedral_angle_1_deg5.371
r_scangle_it3.968
r_scbond_it2.66
r_mcangle_it1.697
r_angle_refined_deg1.692
r_mcbond_it1.034
r_angle_other_deg0.933
r_mcbond_other0.297
r_chiral_restr0.135
r_bond_refined_d0.018
r_gen_planes_refined0.008
r_gen_planes_other0.002
r_bond_other_d0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1579
Nucleic Acid Atoms
Solvent Atoms272
Heterogen Atoms42

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
SCALEPACKdata scaling
REFMACphasing