2OFF
The crystal structure of Glycogen Phosphorylase b in complex with a potent allosteric inhibitor
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | SMALL TUBES | 6.7 | 289 | Bes 10mM, EDTA, DTT, pH 6.7, SMALL TUBES, temperature 289K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.47 | 50.12 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 128.78 | α = 90 |
b = 128.78 | β = 90 |
c = 116.051 | γ = 90 |
Symmetry | |
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Space Group | P 43 21 2 |
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 | 293 | CCD | ADSC QUANTUM 4 | 2006-10-09 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SRS BEAMLINE PX14.1 | 1.488 | SRS | PX14.1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 2.2 | 90.9 | 97.2 | 0.107 | 11.1 | 6.3 | 48704 | 48704 | -3 | 32.592 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.2 | 2.24 | 95.5 | 0.431 | 4.7 | 6.5 |
Refinement
Statistics | |||||||||||||||||||
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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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | FOURIER SYNTHESIS | THROUGHOUT | 2.2 | 90.9 | 46201 | 46201 | 2474 | 97.14 | 0.18525 | 0.18372 | 0.21316 | RANDOM | 31.392 |
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] | |
0.66 | 0.66 | -1.31 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.943 |
r_dihedral_angle_4_deg | 19.23 |
r_dihedral_angle_3_deg | 15.58 |
r_dihedral_angle_1_deg | 5.234 |
r_scangle_it | 2.028 |
r_scbond_it | 1.224 |
r_angle_refined_deg | 1.071 |
r_mcangle_it | 0.918 |
r_mcbond_it | 0.537 |
r_nbtor_refined | 0.302 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6604 |
Nucleic Acid Atoms | |
Solvent Atoms | 290 |
Heterogen Atoms | 33 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
ADSC | data collection |
DENZO | data reduction |
SCALEPACK | data scaling |