4A5S
CRYSTAL STRUCTURE OF HUMAN DPP4 IN COMPLEX WITH A NOVAL HETEROCYCLIC DPP4 INHIBITOR
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 2 UL PROTEIN, 0.4 UL RESERVOIR, 0.25 UL WATER; PROTEIN SOLUTION: 5.2 MG/ML DPP4, 25 MM TRIS PH 8, 25 MM NACL, 2 MM NVP-BIV988-AA-1, 2% DMSO; RESERVOIR SOLUTION: 40% PEG 1000, 200 MM TRIS PH 9.0, 200 MM AMMONIUM SULFATE, 5% GLYCEROL |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
3.28 | 58.2 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 97.183 | α = 90 |
b = 121.424 | β = 90 |
c = 190.699 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | MARRESEARCH | 2005-12-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X10SA | SLS | X10SA |
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 | 1.62 | 87 | 99.7 | 0.07 | 17.22 | 7.89 | 284276 | -3 | 21.73 |
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 | 1.62 | 1.66 | 99.8 | 0.4 | 4.2 | 5.09 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 1.62 | 68.06 | 284274 | 5116 | 99.74 | 0.1641 | 0.1638 | 0.1789 | RANDOM | 25.12 |
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] | |
-0.1534 | 0.2328 | -0.0794 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
t_other_torsion | 17.91 |
t_omega_torsion | 4.3 |
t_angle_deg | 1.05 |
t_bond_d | 0.01 |
t_dihedral_angle_d | |
t_incorr_chiral_ct | |
t_pseud_angle | |
t_trig_c_planes | |
t_gen_planes | |
t_it |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 11961 |
Nucleic Acid Atoms | |
Solvent Atoms | 1590 |
Heterogen Atoms | 333 |
Software
Software | |
---|---|
Software Name | Purpose |
BUSTER | refinement |
XDS | data reduction |
XSCALE | data scaling |