3NP7
Glycogen phosphorylase complexed with 2,5-dihydroxy-3-(beta-D-glucopyranosyl)-chlorobenzene and 2,5-dihydroxy-4-(beta-D-glucopyranosyl)-chlorobenzene
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | SMALL TUBES | 6.7 | 289 | 20 mg/ml of protein in a buffer solution containing 10 mM BES pH 6.7, 1 mM EDTA and 3 mM DTT. Crystals soaked with 100 mM inhibitor in BES for 21 hours, pH 6.7, SMALL TUBES, temperature 289K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.47 | 50.16 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 128.728 | α = 90 |
b = 128.728 | β = 90 |
c = 116.2 | 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 | 298 | CCD | ADSC QUANTUM 4 | 2004-11-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE X31 | 1.0 | EMBL/DESY, HAMBURG | X31 |
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 | 2.05 | 30 | 86.8 | 0.061 | 14.8 | 3.9 | 60600 | 60600 | -3 | 29.8 |
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 | 2.05 | 2.09 | 97.8 | 0.339 | 3.9 | 3.1 | 2641 |
Refinement
Statistics | |||||||||||||||||||
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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 | FOURIER SYNTHESIS | THROUGHOUT | PDB ENTRY 2PRJ | 2.05 | 30 | 57482 | 3070 | 97.68 | 0.19683 | 0.19559 | 0.22013 | RANDOM | 32.411 |
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] | |
1.1 | 1.1 | -2.2 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.653 |
r_dihedral_angle_4_deg | 19.178 |
r_dihedral_angle_3_deg | 15.276 |
r_dihedral_angle_1_deg | 5.121 |
r_scangle_it | 1.973 |
r_scbond_it | 1.204 |
r_angle_refined_deg | 1.039 |
r_mcangle_it | 0.938 |
r_mcbond_it | 0.547 |
r_nbtor_refined | 0.303 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6623 |
Nucleic Acid Atoms | |
Solvent Atoms | 250 |
Heterogen Atoms | 60 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
CNS | refinement |
HKL-2000 | data collection |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | phasing |