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Yorodumi- PDB-2o7m: The C-terminal loop of the homing endonuclease I-CreI is essentia... -
+Open data
-Basic information
Entry | Database: PDB / ID: 2o7m | ||||||
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Title | The C-terminal loop of the homing endonuclease I-CreI is essential for DNA binding and cleavage. Identification of a novel site for specificity engineering in the I-CreI scaffold | ||||||
Components | DNA endonuclease I-CreI | ||||||
Keywords | HYDROLASE / Homing endonuclease / DNA | ||||||
Function / homology | Function and homology information intron homing / chloroplast / endonuclease activity / Hydrolases; Acting on ester bonds / identical protein binding / metal ion binding Similarity search - Function | ||||||
Biological species | Chlamydomonas reinhardtii (plant) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2 Å | ||||||
Authors | Prieto, J. / Redondo, P. / Padro, D. / Blanco, F.J. / Paques, F. / Montoya, G. | ||||||
Citation | Journal: Nucleic Acids Res. / Year: 2007 Title: The C-terminal loop of the homing endonuclease I-CreI is essential for site recognition, DNA binding and cleavage Authors: Prieto, J. / Redondo, P. / Padro, D. / Arnould, S. / Epinat, J.C. / Paques, F. / Blanco, F.J. / Montoya, G. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 2o7m.cif.gz | 78.7 KB | Display | PDBx/mmCIF format |
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PDB format | pdb2o7m.ent.gz | 59.8 KB | Display | PDB format |
PDBx/mmJSON format | 2o7m.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/o7/2o7m ftp://data.pdbj.org/pub/pdb/validation_reports/o7/2o7m | HTTPS FTP |
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-Related structure data
Related structure data | 1g9zS S: Starting model for refinement |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 17934.631 Da / Num. of mol.: 2 / Fragment: residues 1-156 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Chlamydomonas reinhardtii (plant) / Plasmid: pet24d / Species (production host): Escherichia coli / Production host: Escherichia coli BL21 (bacteria) / Strain (production host): BL21 References: UniProt: P05725, Hydrolases; Acting on ester bonds #2: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 2 |
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-Sample preparation
Crystal |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 7.5 Details: pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
-Data collection
Diffraction |
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Diffraction source |
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Detector |
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Radiation |
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Radiation wavelength |
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Reflection | Highest resolution: 2 Å / Num. all: 25943 / Num. obs: 25943 / % possible obs: 93.2 % |
-Processing
Software | Name: REFMAC / Version: 5.2.0019 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 1g9z Resolution: 2→34.54 Å / Cor.coef. Fo:Fc: 0.956 / Cor.coef. Fo:Fc free: 0.932 / SU B: 3.652 / SU ML: 0.103 / Cross valid method: THROUGHOUT / ESU R: 0.164 / ESU R Free: 0.159 / Stereochemistry target values: MAXIMUM LIKELIHOOD
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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: BABINET MODEL WITH MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 34.251 Å2
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Refinement step | Cycle: LAST / Resolution: 2→34.54 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.005→2.056 Å / Total num. of bins used: 20
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