4BTI
factor Xa in complex with the dual thrombin-FXa inhibitor 58.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.7 | PROTEIN SOLUTION: 8 MG/ML DESGLA FACTOR XA, 5 MM MES (PH 6.0), 5 MM CACL2, 100 MM BENZAMIDINE. RESERVOIR SOLUTION: 18-20% PEG600, 50 MM MES (PH 5.7). HANGING DROP SETUP. |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.4 | 49 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 55.65 | α = 90 |
b = 55.65 | β = 90 |
c = 173.16 | γ = 120 |
Symmetry | |
---|---|
Space Group | P 32 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | 2007-04-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID23-2 | ESRF | ID23-2 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 2.29 | 47.98 | 98.5 | 0.14 | 6.7 | 2.9 | 26327 | -3 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.29 | 2.36 | 94.7 | 0.51 | 2.6 | 2.5 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | IN-HOUSE FACTOR XA STRUCTURE | 2.3 | 36.99 | 25117 | 1207 | 98.46 | 0.16862 | 0.166 | 0.22434 | RANDOM |
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] | |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.436 |
r_dihedral_angle_4_deg | 14.801 |
r_dihedral_angle_3_deg | 14.285 |
r_dihedral_angle_1_deg | 5.467 |
r_angle_refined_deg | 1.051 |
r_angle_other_deg | 0.796 |
r_chiral_restr | 0.058 |
r_bond_refined_d | 0.005 |
r_gen_planes_refined | 0.003 |
r_bond_other_d | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 4498 |
Nucleic Acid Atoms | |
Solvent Atoms | 609 |
Heterogen Atoms | 86 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
XSCALE | data scaling |