+
Open data
-
Basic information
Entry | Database: PDB / ID: 1k9g | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Title | Crystal Structure of the Complex of Cryptolepine-d(CCTAGG)2 | ||||||||||||||||||
![]() | 5'-D(*![]() DNA / DNA intercalator complex | Function / homology | 5-METHYL-5H-INDOLO[3,2-B]QUINOLINE / DNA | ![]() Method | ![]() ![]() ![]() ![]() Lisgarten, J.N. / Coll, M. / Portugal, J. / Wright, C.W. / Aymami, J. | ![]() ![]() Title: The antimalarial and cytotoxic drug cryptolepine intercalates into DNA at cytosine-cytosine sites. Authors: Lisgarten, J.N. / Coll, M. / Portugal, J. / Wright, C.W. / Aymami, J. History |
|
-
Structure visualization
Structure viewer | Molecule: ![]() ![]() |
---|
-
Downloads & links
-
Download
PDBx/mmCIF format | ![]() | 14.3 KB | Display | ![]() |
---|---|---|---|---|
PDB format | ![]() | 8.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
---|
-Related structure data
Similar structure data |
---|
-
Links
-
Assembly
Deposited unit | ![]()
| ||||||||
---|---|---|---|---|---|---|---|---|---|
1 | ![]()
| ||||||||
Unit cell |
| ||||||||
Details | The double helix is generated by the operation -x,-y+2,z. |
-
Components
#1: DNA chain | Mass: 1809.217 Da / Num. of mol.: 1 / Source method: obtained synthetically | ||
---|---|---|---|
#2: Chemical | #3: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
---|
-
Sample preparation
Crystal | Density Matthews: 2.72 Å3/Da / Density % sol: 54.76 % | ||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6.5 Details: Magnesium acetate, MES, Ammonium sulfate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K | ||||||||||||||||||||||||
Crystal grow | *PLUS Method: unknown | ||||||||||||||||||||||||
Components of the solutions | *PLUS
|
-Data collection
Diffraction | Mean temperature: 120 K |
---|---|
Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: May 26, 2000 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.1 Å / Relative weight: 1 |
Reflection | Resolution: 1.4→20 Å / Num. all: 3543 / Num. obs: 3356 / % possible obs: 87.3 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 1 / Biso Wilson estimate: 17.7 Å2 / Rmerge(I) obs: 0.038 / Net I/σ(I): 29.1 |
Reflection shell | Resolution: 1.4→1.45 Å / Rmerge(I) obs: 0.33 / Mean I/σ(I) obs: 2.4 / Num. unique all: 292 / % possible all: 73.2 |
Reflection | *PLUS Lowest resolution: 20 Å |
Reflection shell | *PLUS Highest resolution: 1.4 Å / % possible obs: 73.2 % / Mean I/σ(I) obs: 2.5 |
-
Processing
Software |
| ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Refinement | Method to determine structure: ![]()
| ||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.4→10 Å
| ||||||||||||||||||||
Refine LS restraints |
| ||||||||||||||||||||
Software | *PLUS Name: SHELXL-97 / Classification: refinement | ||||||||||||||||||||
Refinement | *PLUS Highest resolution: 1.4 Å / Lowest resolution: 10 Å / σ(F): 0 / % reflection Rfree: 5 % / Rfactor obs: 0.208 | ||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||
Displacement parameters | *PLUS |