2PGQ

Human thrombin mutant C191A-C220A in complex with the inhibitor PPACK


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1SHHPDB entry 1SHH

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.329520% PEG 3350 and 0.2 M Zinc Acetate, VAPOR DIFFUSION, HANGING DROP, temperature 295K, pH 6.3
Crystal Properties
Matthews coefficientSolvent content
2.3447.49

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.945α = 90
b = 75.327β = 90
c = 80.984γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152006-08-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 14-BM-C0.9APS14-BM-C

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
11.84098.50.06922.66.63158231108-1-117.8
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)
11.81.8699.60.453.25.83097

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 1SHH1.825.5930330211397.10.1980.1980.222RANDOM28.5
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]
1.130.42-1.55
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d26.5
c_improper_angle_d2.36
c_angle_deg2
c_bond_d0.021
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2410
Nucleic Acid Atoms
Solvent Atoms304
Heterogen Atoms47

Software

Software
Software NamePurpose
CNSrefinement
ADSCdata collection
HKL-2000data reduction
SCALEPACKdata scaling
MOLREPphasing