5E8E

Crystal structure of thrombin bound to an exosite 1-specific IgA Fab


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1PPBPDB ENTRIES 1PPB AND 2HFF
experimental modelPDB 2HFFPDB ENTRIES 1PPB AND 2HFF

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION4.2298100MM SODIUM PHOSPHATE/CITRATE, PH 4.2, 40% PEG300
Crystal Properties
Matthews coefficientSolvent content
2.9858.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 66.769α = 90
b = 92.229β = 90
c = 147.487γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42009-11-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I031.000DiamondI03

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
11.973.7499.80.1110.26.972417
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)
11.9299.90.921.97.1

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 ENTRIES 1PPB AND 2HFF1.960.8368474374499.590.203340.201120.24414RANDOM35.109
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]
-3.341.791.55
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg29.536
r_dihedral_angle_4_deg16.485
r_dihedral_angle_3_deg13.346
r_dihedral_angle_1_deg5.384
r_angle_refined_deg1.217
r_chiral_restr0.07
r_bond_refined_d0.005
r_gen_planes_refined0.004
r_bond_other_d
r_angle_other_deg
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg29.536
r_dihedral_angle_4_deg16.485
r_dihedral_angle_3_deg13.346
r_dihedral_angle_1_deg5.384
r_angle_refined_deg1.217
r_chiral_restr0.07
r_bond_refined_d0.005
r_gen_planes_refined0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5681
Nucleic Acid Atoms
Solvent Atoms407
Heterogen Atoms213

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing