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Yorodumi- PDB-2o9l: AMBER refined NMR Structure of the Sigma-54 RpoN Domain Bound to ... -
+Open data
-Basic information
Entry | Database: PDB / ID: 2o9l | ||||||
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Title | AMBER refined NMR Structure of the Sigma-54 RpoN Domain Bound to the-24 Promoter Element | ||||||
Components |
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Keywords | RNA POLYMERASE SIGMA FACTOR RPON/DNA / AMBER / GENERALIZED BORN SOLVENT MODEL / PROTEIN-DNA COMPLEX / HELIX-TURN-HELIX / TRANSCRIPTION FACTOR / SIGMA-54 / RNA POLYMERASE / RNA POLYMERASE SIGMA FACTOR RPON-DNA COMPLEX | ||||||
Function / homology | Function and homology information DNA-binding transcription activator activity / sigma factor activity / DNA-directed RNA polymerase complex / nucleotidyltransferase activity / DNA-templated transcription initiation / DNA binding Similarity search - Function | ||||||
Biological species | Aquifex aeolicus (bacteria) | ||||||
Method | SOLUTION NMR / simulated annealing | ||||||
Authors | Doucleff, M. / Pelton, J.G. / Lee, P.S. / Wemmer, D.E. | ||||||
Citation | Journal: J.Mol.Biol. / Year: 2007 Title: Structural basis of DNA recognition by the alternative sigma-factor, sigma54. Authors: Doucleff, M. / Pelton, J.G. / Lee, P.S. / Nixon, B.T. / Wemmer, D.E. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 2o9l.cif.gz | 697.6 KB | Display | PDBx/mmCIF format |
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PDB format | pdb2o9l.ent.gz | 574 KB | Display | PDB format |
PDBx/mmJSON format | 2o9l.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 2o9l_validation.pdf.gz | 379 KB | Display | wwPDB validaton report |
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Full document | 2o9l_full_validation.pdf.gz | 681.7 KB | Display | |
Data in XML | 2o9l_validation.xml.gz | 30.8 KB | Display | |
Data in CIF | 2o9l_validation.cif.gz | 55.8 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/o9/2o9l ftp://data.pdbj.org/pub/pdb/validation_reports/o9/2o9l | HTTPS FTP |
-Related structure data
-Links
-Assembly
Deposited unit |
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1 |
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NMR ensembles |
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-Components
#1: DNA chain | Mass: 4252.761 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: NIRB SIGMA-54 BINDING SITE NON-TEMPLATE STRAND |
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#2: DNA chain | Mass: 4306.846 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: NIRB SIGMA-54 BINDING SITE NON-TEMPLATE STRAND |
#3: Protein | Mass: 7488.800 Da / Num. of mol.: 1 / Fragment: C-TERMINAL DOMAIN Source method: isolated from a genetically manipulated source Source: (gene. exp.) Aquifex aeolicus (bacteria) / Gene: rpoN / Plasmid: PSKB3 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21 (DE3) with Rosetta.pLysS / References: UniProt: O66858 |
-Experimental details
-Experiment
Experiment | Method: SOLUTION NMR | ||||||||||||||||||||||||
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NMR experiment |
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-Sample preparation
Details |
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Sample conditions |
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-NMR measurement
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M | ||||||||||||||||||||
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Radiation wavelength | Relative weight: 1 | ||||||||||||||||||||
NMR spectrometer |
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-Processing
NMR software |
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Refinement | Method: simulated annealing / Software ordinal: 1 Details: The 20-structure ensemble refined with XPLOR-NIH (PDB ID: 2O8K) were then subjected to 20 ps of simulated annealing using the SANDER module of AMBER 7.0 with the 1994 force field (ff94) and ...Details: The 20-structure ensemble refined with XPLOR-NIH (PDB ID: 2O8K) were then subjected to 20 ps of simulated annealing using the SANDER module of AMBER 7.0 with the 1994 force field (ff94) and the generalized Born solvent model. First, 0.5 ps of energy minimization was performed. Then simulated annealing was run from 300K to 0K using NMR distant and dihedral restraints, as well as a distance dependent dielectric and a nonbonding cutoff of 15A. | ||||||||||||||||||||||||
NMR representative | Selection criteria: lowest energy | ||||||||||||||||||||||||
NMR ensemble | Conformer selection criteria: all calculated structures submitted Conformers calculated total number: 20 / Conformers submitted total number: 19 |