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- PDB-4s0q: The X-ray structure of the adduct formed in the reaction between ... -
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Basic information
Entry | Database: PDB / ID: 4s0q | ||||||
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Title | The X-ray structure of the adduct formed in the reaction between bovine pancreatic ribonuclease and carboplatin | ||||||
![]() | Ribonuclease pancreatic | ||||||
![]() | HYDROLASE/RNA / ribonuclease / RNA cleavage / HYDROLASE-RNA complex | ||||||
Function / homology | ![]() pancreatic ribonuclease / ribonuclease A activity / RNA nuclease activity / nucleic acid binding / defense response to Gram-positive bacterium / lyase activity / extracellular region Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Merlino, A. | ||||||
![]() | ![]() Title: Interactions of carboplatin and oxaliplatin with proteins: Insights from X-ray structures and mass spectrometry studies of their ribonuclease A adducts. Authors: Messori, L. / Marzo, T. / Merlino, A. | ||||||
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 60.9 KB | Display | ![]() |
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PDB format | ![]() | 45 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
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-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 4s18C ![]() 1jvtS S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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2 | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 13708.326 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #2: Chemical | #3: Water | ChemComp-HOH / | Has protein modification | Y | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.17 Å3/Da / Density % sol: 43.21 % |
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 5 Details: Crystals of the RNase A-carboplatin adduct have been obtained by soaking experiments where pre-grown monoclinic protein crystals were incubated with an excess of the platinum drug (at a ...Details: Crystals of the RNase A-carboplatin adduct have been obtained by soaking experiments where pre-grown monoclinic protein crystals were incubated with an excess of the platinum drug (at a protein to platinum ratio 1:10). Crystals of RNase A were grown by hanging-drop vapor mixing 1 L of RNase A at 20 mg mL-1 with equal volumes of reservoir solution containing 20% PEG4000 and 20 mM sodium citrate buffer pH 5.0 at 298 K. Two weeks after their appearance, crystals were soaked for four days in a solution of Carboplatin dissolved in 10 L of reservoir. At the final, Pt drug:protein concentrations were in 10:1 ratio., VAPOR DIFFUSION, HANGING DROP |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() |
Radiation | Monochromator: graphite / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.09→72.71 Å / Num. all: 14095 / Num. obs: 14095 / % possible obs: 99.7 % / Redundancy: 5.6 % / Rmerge(I) obs: 0.124 |
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Processing
Software | Name: REFMAC / Version: 5.8.0049 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Refinement | Method to determine structure: ![]() Starting model: pdb code 1JVT, chain A without water molecules and ligands Resolution: 2.09→72.71 Å / Cor.coef. Fo:Fc: 0.945 / Cor.coef. Fo:Fc free: 0.912 / SU B: 6.663 / SU ML: 0.171 / Cross valid method: THROUGHOUT / ESU R: 0.259 / ESU R Free: 0.214 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 37.837 Å2
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Refinement step | Cycle: LAST / Resolution: 2.09→72.71 Å
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