308D
BINDING OF DAUNOMYCIN TO B-D-GLUCOSYLATED DNA FOUND IN PROTOZOA TRYPANOSOMA BRUCEI STUDIED BY X-RAY CRYSTALLOGRAPH
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1D11 | DDF001 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 6 | 293 | pH 6.00, VAPOR DIFFUSION, temperature 293.00K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.42 | 49.22 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 18.619 | α = 69.09 |
b = 20.096 | β = 90.4 |
c = 26.553 | γ = 108.03 |
Symmetry | |
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Space Group | P 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 293 | IMAGE PLATE | RIGAKU RAXIS IIC | 1996-08-26 |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200 |
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 | 1.5 | 15 | 86 | 0.096 | 4688 | 2 |
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-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | DDF001 | 1.5 | 10 | 2 | 4678 | 0.175 | 0.175 | 0.221 | 13.4 |
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 |
x_angle_deg | 3.1 |
x_bond_d | 0.019 |
x_bond_d_na | |
x_bond_d_prot | |
x_angle_d | |
x_angle_d_na | |
x_angle_d_prot | |
x_angle_deg_na | |
x_angle_deg_prot | |
x_dihedral_angle_d |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 240 |
Solvent Atoms | 105 |
Heterogen Atoms | 103 |
Software
Software | |
---|---|
Software Name | Purpose |
ULTIMA | model building |
X-PLOR | refinement |
R-AXIS | data reduction |
ULTIMA | phasing |