3HP9

Crystal structure of SSB/Exonuclease I in complex with inhibitor CFAM


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3C95PDB entry 3C95

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP829820 mg/mL Protein, 18-27% PEG 4000, Saturated inhibitor in DMSO soaked 4-5 days, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.2545.29

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.671α = 90
b = 91.939β = 90
c = 103.081γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2007-04-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-D0.97869APS21-ID-D

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
11.65089.90.06333.655.26010460104
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)
11.61.6693.20.3772.473.36139

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-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 3C951.618.815523055230293687.160.206840.206840.205570.23071RANDOM16.951
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]
0.04-0.270.23
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.834
r_dihedral_angle_4_deg18.532
r_dihedral_angle_3_deg12.595
r_dihedral_angle_1_deg5.546
r_scangle_it2.561
r_scbond_it1.515
r_mcangle_it0.916
r_angle_refined_deg0.841
r_mcbond_it0.482
r_chiral_restr0.065
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.834
r_dihedral_angle_4_deg18.532
r_dihedral_angle_3_deg12.595
r_dihedral_angle_1_deg5.546
r_scangle_it2.561
r_scbond_it1.515
r_mcangle_it0.916
r_angle_refined_deg0.841
r_mcbond_it0.482
r_chiral_restr0.065
r_bond_refined_d0.009
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3676
Nucleic Acid Atoms
Solvent Atoms448
Heterogen Atoms48

Software

Software
Software NamePurpose
ADSCdata collection
PHASERphasing
REFMACrefinement
MAR345data collection
HKL-2000data reduction
SCALEPACKdata scaling