4MQA
Human beta-tryptase co-crystal structure with {(1,1,3,3-tetramethyldisiloxane-1,3-diyl)bis[5-(methylsulfanyl)benzene-3,1-diyl]}bis({4-[3-(aminomethyl)phenyl]piperidin-1-yl}methanone)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 4.6 | 298 | 1.9 mg/mL protein incubated with compound 13A 30 minutes on ice prior to setup with 30% PEG3350, 0.1 M sodium acetate, pH 4.6, 0.2 M ammonium sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.65 | 53.65 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 78.168 | α = 90 |
b = 78.168 | β = 90 |
c = 165.458 | γ = 120 |
Symmetry | |
---|---|
Space Group | P 31 2 1 |
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 | ADSC QUANTUM 315r | mirrors | 2013-01-31 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X29A | 1.075 | NSLS | X29A |
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 | 2.25 | 50 | 99.8 | 0.123 | 8.8 | 10.4 | 28420 | 28363 |
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 | 2.25 | 2.33 | 100 | 0.47 | 10.6 | 2772 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2.25 | 35.36 | 28420 | 28314 | 1431 | 99.71 | 0.1808 | 0.1808 | 0.1771 | 0.2511 | RANDOM | 34.8129 |
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] | |
0.28 | 0.28 | 0.28 | -0.9 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 31.548 |
r_dihedral_angle_3_deg | 16.522 |
r_dihedral_angle_4_deg | 13.453 |
r_dihedral_angle_1_deg | 6.724 |
r_angle_refined_deg | 1.814 |
r_angle_other_deg | 0.862 |
r_chiral_restr | 0.108 |
r_bond_refined_d | 0.017 |
r_gen_planes_refined | 0.01 |
r_bond_other_d | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 3836 |
Nucleic Acid Atoms | |
Solvent Atoms | 233 |
Heterogen Atoms | 93 |
Software
Software | |
---|---|
Software Name | Purpose |
SCALEPACK | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
ADSC | data collection |
HKL-2000 | data reduction |
PHASER | phasing |