1AFL
RIBONUCLEASE A IN COMPLEX WITH 5'-DIPHOSPHOADENOSINE 2'-PHOSPHATE AT 1.7 ANGSTROM RESOLUTION
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 5.5 | 289 | PROTEIN WAS CRYSTALLIZED FROM 10% PEG 4000, 10 MM SODIUM CITRATE, PH 5.5 AND THEN SOAKED WITH 10 MM 5-DIPHOSPHOADENOSINE 2'- PHOSPHATE FOR 3 HRS AT 16 C, temperature 289K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.2 | 48 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 101.93 | ¦Á = 90 |
b = 33.44 | ¦Â = 90.08 |
c = 73.69 | ¦Ã = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
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 | 289 | IMAGE PLATE | MARRESEARCH | 1995-10-16 | M |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SRS BEAMLINE PX9.6 | 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 | 1.7 | 30 | 93.1 | 0.09 | 9.9 | 3.4 | 25897 | 18.9 |
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) | |||||||||||
1.7 | 1.8 | 89.2 | 0.112 | 8.8 | 2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | THROUGHOUT | 1.7 | 8 | 25600 | 1235 | 93 | 0.217 | 0.217 | 0.278 | RANDOM | 23.5 |
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 | |
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Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 25.1 |
x_scangle_it | 4.14 |
x_scbond_it | 2.57 |
x_mcangle_it | 2.5 |
x_angle_deg | 1.5 |
x_mcbond_it | 1.47 |
x_improper_angle_d | 1.32 |
x_bond_d | 0.009 |
x_bond_d_na | |
x_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1901 |
Nucleic Acid Atoms | |
Solvent Atoms | 122 |
Heterogen Atoms | 88 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
X-PLOR | model building |
X-PLOR | refinement |
X-PLOR | phasing |