3RSP
STRUCTURE OF THE P93G VARIANT OF RIBONUCLEASE A
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 6UL DROPS COMPOSED OF 15MG/ML PROTEIN,50MM SODIUM ACETATE AT PH 6.0, 15% SATURATED AMMONIUM SULFATE AND 25% SATURATED SODIUM CHLORIDE WERE SUSPENDED OVER 0.5ML WELLS CONTAINING 100MM SODIUM ACETATE, PH 6.0, 30% SATURATED AMMONIUM SULFATE AND 50% SATURATED SODIUM CHLORIDE. TEMPERATURE: 20C., vapor diffusion - hanging drop |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.02 | 60 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 65.79 | α = 90 |
b = 65.79 | β = 90 |
c = 66.12 | 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 | 277 | AREA DETECTOR | SIEMENS | LONG MIRRORS | 1997-04-11 | M |
Radiation Source | |||||
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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 | 1.7 | 30 | 93 | 0.028 | 0.028 | 20 | 2.6 | 22780 |
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) | ||||||||||
1.7 | 1.8 | 93 | 0.15 | 0.15 | 3 | 2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | PDB ENTRY 1RPH | 1.7 | 30 | 18621 | 18621 | 93 | 0.17 |
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 |
t_dihedral_angle_d | 17.579 |
t_angle_deg | 2.504 |
t_it | 1 |
t_nbd | 0.034 |
t_bond_d | 0.011 |
t_gen_planes | 0.01 |
t_trig_c_planes | 0.005 |
t_incorr_chiral_ct | |
t_pseud_angle |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 977 |
Nucleic Acid Atoms | |
Solvent Atoms | 129 |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
XDS | data scaling |
XCALIBRE | data reduction |
AMoRE | phasing |
TNT | refinement |
XDS | data reduction |
XCALIBRE | data scaling |