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Yorodumi- PDB-2c7p: HhaI DNA methyltransferase complex with oligonucleotide containin... -
+Open data
-Basic information
Entry | Database: PDB / ID: 2c7p | ||||||
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Title | HhaI DNA methyltransferase complex with oligonucleotide containing 2- aminopurine opposite to the target base (GCGC:GMPC) and SAH | ||||||
Components |
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Keywords | TRANSFERASE/DNA / BASE FLIPPING / RESTRICTION SYSTEM / TRANSFERASE-DNA COMPLEX | ||||||
Function / homology | Function and homology information DNA (cytosine-5-)-methyltransferase / DNA (cytosine-5-)-methyltransferase activity / DNA restriction-modification system / DNA binding Similarity search - Function | ||||||
Biological species | HAEMOPHILUS HAEMOLYTICUS (bacteria) SYNTHETIC CONSTRUCT (others) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.7 Å | ||||||
Authors | Neely, R.K. / Daujotyte, D. / Grazulis, S. / Magennis, S.W. / Dryden, D.T.F. / Klimasauskas, S. / Jones, A.C. | ||||||
Citation | Journal: Nucleic Acids Res. / Year: 2005 Title: Time-Resolved Fluorescence of 2-Aminopurine as a Probe of Base Flipping in M.HhaI-DNA Complexes. Authors: Neely, R.K. / Daujotyte, D. / Grazulis, S. / Magennis, S.W. / Dryden, D.T.F. / Klimasauskas, S. / Jones, A.C. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 2c7p.cif.gz | 106.5 KB | Display | PDBx/mmCIF format |
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PDB format | pdb2c7p.ent.gz | 77.3 KB | Display | PDB format |
PDBx/mmJSON format | 2c7p.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/c7/2c7p ftp://data.pdbj.org/pub/pdb/validation_reports/c7/2c7p | HTTPS FTP |
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-Related structure data
Related structure data | 2c7oC 2c7qC 2c7rC 3mhtS S: Starting model for refinement C: citing same article (ref.) |
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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 on special symmetry positions |
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-Components
-Protein , 1 types, 1 molecules A
#1: Protein | Mass: 37042.207 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) HAEMOPHILUS HAEMOLYTICUS (bacteria) / Plasmid: PHH553 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): ER1727 References: UniProt: P05102, DNA (cytosine-5-)-methyltransferase |
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-DNA chain , 2 types, 2 molecules CD
#2: DNA chain | Mass: 3701.444 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) SYNTHETIC CONSTRUCT (others) |
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#3: DNA chain | Mass: 3623.368 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) SYNTHETIC CONSTRUCT (others) |
-Non-polymers , 5 types, 299 molecules
#4: Chemical | ChemComp-SAH / | ||||||
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#5: Chemical | ChemComp-SO4 / #6: Chemical | ChemComp-EPE / | #7: Chemical | ChemComp-CIT / | #8: Water | ChemComp-HOH / | |
-Details
Compound details | RECOGNIZES THE DOUBLE-STRANDED SEQUENCE GCGC, CAUSES SPECIFIC METHYLATION AND PROTECTS THE DNA FROM ...RECOGNIZES |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.77 Å3/Da / Density % sol: 55.32 % |
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Crystal grow | pH: 5.6 / Details: 50 MM NA CITRATE PH 5.6, 1.4 M AMMONIUM SULFATE |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: X11 / Wavelength: 0.812 |
Detector | Type: MARRESEARCH / Detector: CCD / Date: Oct 31, 2002 / Details: MIRRORS |
Radiation | Monochromator: SI(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.812 Å / Relative weight: 1 |
Reflection | Resolution: 1.7→56.8 Å / Num. obs: 59771 / % possible obs: 99.6 % / Observed criterion σ(I): 2.2 / Redundancy: 11.8 % / Biso Wilson estimate: 17 Å2 / Rmerge(I) obs: 0.07 / Net I/σ(I): 7.5 |
Reflection shell | Resolution: 1.7→1.79 Å / Redundancy: 7.5 % / Rmerge(I) obs: 0.34 / Mean I/σ(I) obs: 2.2 / % possible all: 97.6 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 3MHT Resolution: 1.7→56.66 Å / Rfactor Rfree error: 0.003 / Data cutoff high absF: 30839027.08 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 Details: RESOLUTION-DEPENDENT WEIGHTING SCHEME USED. BULK SOLVENT MODEL USED
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 57.4706 Å2 / ksol: 0.449543 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 18.5 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.7→56.66 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.7→1.81 Å / Rfactor Rfree error: 0.008 / Total num. of bins used: 6
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Xplor file |
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