2QNB
Glycogen Phosphorylase b in complex with N-benzoyl-N'-beta-D-glucopyranosyl urea
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2PRJ | pdb entry 2PRJ |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | SMALL TUBES | 6.7 | 289 | 10 mM Bes, 3 mM DDT, pH 6.7, SMALL TUBES, temperature 289K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.48 | 50.34 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 128.653 | α = 90 |
b = 128.653 | β = 90 |
c = 116.75 | 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 | 2001-03-16 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SRS BEAMLINE PX9.6 | 0.87 | SRS | PX9.6 |
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 | 1.8 | 30 | 97.7 | 0.038 | 15.63 | 4.9 | 88811 | 88811 | -3 |
Highest Resolution Shell | |||||||||||||||||||
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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) | |||||||||||
1.8 | 1.83 | 95 | 0.481 | 1.94 | 4.2 |
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 | 1.8 | 30 | 84369 | 4448 | 97.61 | 0.1996 | 0.19853 | 0.22025 | RANDOM | 28.684 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.71 | 0.71 | -1.41 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.101 |
r_dihedral_angle_4_deg | 18.738 |
r_dihedral_angle_3_deg | 15.627 |
r_dihedral_angle_1_deg | 5.01 |
r_scangle_it | 1.896 |
r_scbond_it | 1.171 |
r_angle_refined_deg | 1.025 |
r_mcangle_it | 0.856 |
r_mcbond_it | 0.499 |
r_nbtor_refined | 0.302 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6613 |
Nucleic Acid Atoms | |
Solvent Atoms | 345 |
Heterogen Atoms | 46 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |