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Yorodumi- PDB-2nra: Crystal structure of Pi initiator protein in complex with iteron DNA -
+Open data
-Basic information
Entry | Database: PDB / ID: 2nra | ||||||
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Title | Crystal structure of Pi initiator protein in complex with iteron DNA | ||||||
Components |
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Keywords | REPLICATION/DNA / PROTEIN-DNA COMPLEX / DNA REPLICATION / REPLICATION-DNA COMPLEX | ||||||
Function / homology | Function and homology information | ||||||
Biological species | Escherichia coli (E. coli) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MAD / Resolution: 3.1 Å | ||||||
Authors | Swan, M.K. / Bastia, D. / Davies, C. | ||||||
Citation | Journal: Proc.Natl.Acad.Sci.Usa / Year: 2006 Title: Crystal structure of pi initiator protein-iteron complex of plasmid R6K: implications for initiation of plasmid DNA replication. Authors: Swan, M.K. / Bastia, D. / Davies, C. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 2nra.cif.gz | 89.4 KB | Display | PDBx/mmCIF format |
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PDB format | pdb2nra.ent.gz | 65.5 KB | Display | PDB format |
PDBx/mmJSON format | 2nra.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/nr/2nra ftp://data.pdbj.org/pub/pdb/validation_reports/nr/2nra | HTTPS FTP |
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-Related structure data
Similar structure data |
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-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: DNA chain | Mass: 7104.609 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: Iteron oligonucleotide |
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#2: DNA chain | Mass: 7006.532 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: Iteron oligonucleotide |
#3: Protein | Mass: 31823.906 Da / Num. of mol.: 1 / Mutation: P42L, P106L, F107S, P113S Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli (E. coli) / Gene: pir / Plasmid: pTXB1-intein / Species (production host): Escherichia coli / Production host: Escherichia coli K12 (bacteria) / Strain (production host): K12 / References: UniProt: P03067 |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 3.4 Å3/Da / Density % sol: 63.82 % | ||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 294 K / Method: vapor diffusion, hanging drop / pH: 4.5 Details: 5% polyethylene glycol 8000, 50 mM MgCl2 and 100 mM NH4H2PO4, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K | ||||||||||||||||||||||||||||||||||||
Components of the solutions |
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-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 | Resolution: 3.1→35.1 Å / Num. all: 12173 / Num. obs: 12173 / % possible obs: 99.5 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 10 % / Biso Wilson estimate: 106.6 Å2 / Rmerge(I) obs: 0.064 / Rsym value: 0.064 / Net I/σ(I): 44.9 | ||||||||||||||||||
Reflection shell | Resolution: 3.1→3.21 Å / Redundancy: 8.3 % / Rmerge(I) obs: 0.449 / Mean I/σ(I) obs: 4.2 / Num. unique all: 1193 / Rsym value: 0.449 / % possible all: 100 |
-Processing
Software |
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Refinement | Method to determine structure: MAD / Resolution: 3.1→35.1 Å / Cor.coef. Fo:Fc: 0.934 / Cor.coef. Fo:Fc free: 0.918 / SU B: 42.311 / SU ML: 0.355 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / ESU R Free: 0.424 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: The single wavelength data were used for refinement. The MAD data were used to solve the initial structure.
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 81.516 Å2
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Refinement step | Cycle: LAST / Resolution: 3.1→35.1 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 3.1→3.18 Å / Total num. of bins used: 20
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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