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 (Depositor) | R-Free (Depositor) | 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 |














