2GD4

Crystal Structure of the Antithrombin-S195A Factor Xa-Pentasaccharide Complex


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1E03PDB ENTRY 1E03 and 1F0S
experimental modelPDB 1F0SPDB ENTRY 1E03 and 1F0S

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.429420% PEG 3350, 200mM Calcium Acetate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Crystal Properties
Matthews coefficientSolvent content
2.8656.94

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 220.263α = 90
b = 60.588β = 113.14
c = 156.174γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42005-11-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX14.11.488SRSPX14.1

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
13.336.92394.60.1750.1752.11.92878527231
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)
13.33.4895.195.10.4760.4760.81.9

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1E03 and 1F0S3.336.92905427224111493.70.2470.298random36.566
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]
-11.657-10.3895.2886.37
RMS Deviations
KeyRefinement Restraint Deviation
c_angle_deg1.5
c_bond_d0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms10763
Nucleic Acid Atoms
Solvent Atoms63
Heterogen Atoms339

Software

Software
Software NamePurpose
SCALAdata scaling
PHASERphasing
CNSrefinement
PDB_EXTRACTdata extraction
ADSCdata collection
CCP4data scaling