282D
A CONTINOUS TRANSITION FROM A-DNA TO B-DNA IN THE 1:1 COMPLEX BETWEEN NOGALAMYCIN AND THE HEXAMER DCCCGGG
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 277 | pH 6.50, VAPOR DIFFUSION, SITTING DROP, temperature 277.00K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
3.1 | 55 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 45.845 | α = 90 |
b = 45.845 | β = 90 |
c = 58.075 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 43 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 277 | IMAGE PLATE | MARRESEARCH | MULTILAYER MIRROR | 1994-01-01 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | LURE BEAMLINE DW32 | LURE | DW32 |
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 | 2.4 | 25 | 80 | 0.052 | 0.072 | 19 | 4.2 | 2492 | 2 |
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) | |||||||||||
2.3 | 2.5 | 45 | 0.18 | 3 | 2.5 |
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 | PARTS FROM DIFFERENT SOURCES: E.G. DDF001, DDF019 | 2.4 | 18 | 2 | 2365 | 92 | 0.183 | 25.7 |
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 |
n_multtor_nbd | 0.23 |
n_xhyhbond_nbd | 0.18 |
n_chiral_restr | 0.17 |
n_singtor_nbd | 0.08 |
n_plane_restr | 0.036 |
n_phos_bond_angle_d | 0.033 |
n_angle_d | 0.023 |
n_bond_d | 0.011 |
n_phos_bond_d | 0.011 |
n_planar_d |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 240 |
Solvent Atoms | 47 |
Heterogen Atoms | 56 |
Software
Software | |
---|---|
Software Name | Purpose |
AMoRE | phasing |
NUCLSQ | refinement |
MOSFLM | data reduction |
CCP4 | data reduction |
SCALF | data scaling |