2IIV
Human dipeptidyl peptidase 4 in complex with a diazepan-2-one inhibitor
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1X70 | PDB ENTRY 1X70 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 293 | PEG 4000, SODIUM ACETATE, TRIS, pH 8.00, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.01 | 59.14 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 118.192 | α = 90 |
b = 125.777 | β = 90 |
c = 136.902 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | MARRESEARCH | 2003-07-16 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 32-ID | 1.0 | APS | 32-ID |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.15 | 50 | 96.9 | 0.109 | 5.4 | 6.6 | 111431 | 107977 | 29.4 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.15 | 2.23 | 86.6 | 0.418 | 1.2 | 4.4 | 8273 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | FOURIER SYNTHESIS | THROUGHOUT | PDB ENTRY 1X70 | 2.15 | 30 | 111220 | 107775 | 5435 | 96.9 | 0.197 | 0.194 | 0.229 | RANDOM | 28.3 |
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] | |
6.069 | -5.08 | -0.989 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 24.9 |
c_scangle_it | 2.2 |
c_mcangle_it | 1.49 |
c_angle_deg | 1.47 |
c_scbond_it | 1.45 |
c_mcbond_it | 0.92 |
c_improper_angle_d | 0.867 |
c_bond_d | 0.009 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 11930 |
Nucleic Acid Atoms | |
Solvent Atoms | 920 |
Heterogen Atoms | 370 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
PDB_EXTRACT | data extraction |
MAR345 | data collection |
HKL-2000 | data reduction |
SCALEPACK | data scaling |
CNX | phasing |
CNX | refinement |