1RNY
RIBONUCLEASE A CRYSTALLIZED FROM 3M CESIUM CHLORIDE, 30% AMMONIUM SULFATE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 5.5 | CRYSTALLIZED FROM 80% AMMONIUM SULFATE (PDB ENTRY 1RNO), pH 5.5 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.87 | 57 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 64.763 | α = 90 |
b = 64.763 | β = 90 |
c = 65.338 | γ = 120 |
Symmetry | |
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Space Group | P 32 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 290 | AREA DETECTOR | SIEMENS-NICOLET X100 | 1993-06-07 | 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) | 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 | 8.2 | 84.5 | 0.044 | 21.91 | 2.34 | 9388 | 1 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | RIBONUCLEASE A | 2 | 8 | 2 | 8896 | 80.6 | 0.175 | 17.4 |
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 |
p_scangle_it | 4.43 |
p_scbond_it | 2.9 |
p_mcangle_it | 2.63 |
p_angle_deg | 2.62 |
p_mcbond_it | 1.61 |
p_bond_d | 0.015 |
p_angle_d | |
p_planar_d | |
p_hb_or_metal_coord | |
p_plane_restr |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 951 |
Nucleic Acid Atoms | |
Solvent Atoms | 99 |
Heterogen Atoms | 5 |
Software
Software | |
---|---|
Software Name | Purpose |
XDS | data scaling |
XSCALE | data scaling |
X-PLOR | model building |
PROFFT | refinement |
X-PLOR | refinement |
XDS | data reduction |
X-PLOR | phasing |