2IF9

Crystal Structure of SV40 T-antigen origin binding domain disulfide-linked dimer


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2FUF 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.629330 % peg 4000, 0.1M sodium citrate (pH 5.6), 0.2 M ammonium acetate, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.2445.05

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 68.463α = 90
b = 63.982β = 94.45
c = 63.228γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSCQuantum 3152005-09-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X29A0.9791NSLSX29A

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
12.5865085.10.1260.1267.7373487009
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)
2.5862.6953.30.2150.2152.42.4458

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2FUF2.58638.637345700933685.220.2130.2080.296RANDOM28.493
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]
0.17-0.02-0.08-0.1
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.413
r_dihedral_angle_4_deg19.714
r_dihedral_angle_3_deg17.722
r_dihedral_angle_1_deg7.905
r_scangle_it2.377
r_scbond_it1.506
r_angle_refined_deg1.463
r_mcangle_it1.105
r_mcbond_it0.616
r_nbtor_refined0.315
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.413
r_dihedral_angle_4_deg19.714
r_dihedral_angle_3_deg17.722
r_dihedral_angle_1_deg7.905
r_scangle_it2.377
r_scbond_it1.506
r_angle_refined_deg1.463
r_mcangle_it1.105
r_mcbond_it0.616
r_nbtor_refined0.315
r_nbd_refined0.231
r_symmetry_vdw_refined0.203
r_xyhbond_nbd_refined0.193
r_symmetry_hbond_refined0.136
r_chiral_restr0.098
r_bond_refined_d0.012
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2144
Nucleic Acid Atoms
Solvent Atoms51
Heterogen Atoms

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling