1A96
XPRTASE FROM E. COLI WITH BOUND CPRPP AND XANTHINE
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1NUL |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 9 | XPRT WAS CRYSTALLISED FROM 15 - 20% PEG 4000, 0.1 M AMMONIUM SULPHATE IN 0.1 M BORATE, PH 9., pH 9.0 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.15 | 43 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 94.2 | α = 90 |
b = 94.2 | β = 90 |
c = 165.9 | γ = 90 |
Symmetry | |
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Space Group | P 43 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 289 | IMAGE PLATE | RIGAKU RAXIS IIC | MIRRORS | 1997-09-01 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH2R |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 100 | 89.9 | 0.069 | 0.069 | 11.7 | 2.3 | 45927 | 11.8 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
2 | 2.07 | 81.7 | 0.287 | 0.287 | 2.6 | 1.6 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 1NUL | 2 | 50 | 45860 | 4623 | 89.6 | 0.218 | 0.218 | 0.244 | RANDOM R VALUE (WORKING + TEST SET) : NULL | 28.5 |
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] | |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 24.6 |
x_scangle_it | 3.4 |
x_mcangle_it | 2.41 |
x_scbond_it | 2.13 |
x_mcbond_it | 1.43 |
x_angle_deg | 1.1 |
x_improper_angle_d | 0.97 |
x_bond_d | 0.005 |
x_bond_d_na | |
x_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4500 |
Nucleic Acid Atoms | |
Solvent Atoms | 142 |
Heterogen Atoms | 80 |
Software
Software | |
---|---|
Software Name | Purpose |
X-PLOR | model building |
X-PLOR | refinement |
PROCESS | data reduction |
PROCESS | data scaling |
X-PLOR | phasing |