2P3U

Crystal structure of human factor XA complexed with 3-chloro-N-(4-chloro-2-{[(5-chloropyridin-2-yl)amino]carbonyl}-6-methoxyphenyl)-4-[(1-methyl-1H-imidazol-2-yl)methyl]thiophene-2-carboxamide {Pfizer 320663}


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1EVAPORATION7.5295A THREE-FOLD EXCESS OF 3-Chloro-4-(2-methylamino-imidazol-1-ylmethyl)-thiophene-2-carboxylic acid [4-chloro-2-(5-chloro-pyridin-2-ylcarbamoyl)-6-methoxy-phenyl]-amide WAS ADDED TO THE DES-GLA-FACTOR XA. THE PROTEIN WAS THEN CONCENTRATED TO 12-17 MG/ML. CRYSTALS WERE GROWN USING 2 UL OF COMPLEX WITH 2 UL OF RESERVOIR CONTAINING 15-21% PEG1500 AND 10 MM CACL2. 30-40 UL SITTING DROPS CONTAINING SATURATED INHIBITOR (5 MM) IN 21% PEG1500, 5 MM CACL2, 20 MM NACL, 25 MM TRIS PH 7.5 (CRYSTAL SOAKING SOLUTION) WERE EQUILIBRATED OVER A 1 ML RESERVOIR CONTAINING THE CRYSTAL SOAKING SOLUTION FOR 1 TO 2 DAYS. A SINGLE FACTOR XA CRYSTAL WAS TRANSFERRED USING A MOUNTED CRYOLOOP INTO ONE OF THESE SITTING DROPS AND ALLOWED TO SOAK FOR THREE OR MORE DAYS, EVAPORATION, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.4451.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 56.014α = 90
b = 71.717β = 90
c = 78.651γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plate2000-03-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL7-1SSRLBL7-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.622098.90.0418.43.74043921.9
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.621.6697.90.3923.23.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONOTHERTHROUGHOUTPDB Entry 1FJS1.6219.824043039893156997.20.1920.1910.21RANDOM26.3
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]
1.74-5.123.37
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.9
c_scangle_it3.69
c_mcangle_it2.53
c_scbond_it2.46
c_mcbond_it1.65
c_angle_deg0.9
c_improper_angle_d0.59
c_bond_d0.004
c_bond_d_na
c_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.9
c_scangle_it3.69
c_mcangle_it2.53
c_scbond_it2.46
c_mcbond_it1.65
c_angle_deg0.9
c_improper_angle_d0.59
c_bond_d0.004
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_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2220
Nucleic Acid Atoms
Solvent Atoms267
Heterogen Atoms37

Software

Software
Software NamePurpose
CNXrefinement
Blu-Icedata collection
MOSFLMdata reduction
SCALAdata scaling
X-PLORphasing