3ORC
CRYSTAL STRUCTURE OF AN ENGINEERED CRO MONOMER BOUND NONSPECIFICALLY TO DNA
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1ORC | PDB ENTRY 1ORC |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 293 | COCRYSTALS WERE OBTAINED BY MIXING A 1.5 MOLAR EXCESS OF THE 7BP DNA FRAGMENT WITH CRO K56-[DGEVK], COMBINING WITH AN EQUAL VOLUME OF PRECIPITANT BUFFER (140MM AMMONIUM ACETATE, 31% PEG 3350, 100MM ACETATE BUFFER PH 4.6), THEN EQUILIBRATING AGAINST THE PRECIPITANT BUFFER VIA THE HANGING-DROP METHOD AT ROOM TEMPERATURE., vapor diffusion - hanging drop, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3 | 48.45 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 45.72 | α = 90 |
b = 60.66 | β = 112.7 |
c = 45.72 | γ = 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 | 295 | AREA DETECTOR | SDMS | COLLIMATOR | 1993-02-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200 |
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 | 3 | 20 | 99.7 | 0.053 | 5.3 | 2452 | 51.1 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | 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 1ORC | 3 | 20 | 13041 | 13041 | 2452 | 99.7 |
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 | 19.55 |
t_angle_deg | 2.656 |
t_it | 2.548 |
t_nbd | 0.018 |
t_bond_d | 0.015 |
t_gen_planes | 0.013 |
t_trig_c_planes | 0.006 |
t_incorr_chiral_ct | |
t_pseud_angle |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 501 |
Nucleic Acid Atoms | 322 |
Solvent Atoms | 3 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
EDPDB | model building |
TNT | refinement |
SDMS | data reduction |
SDMS | data scaling |