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- PDB-3n4m: E. coli RNA polymerase alpha subunit C-terminal domain in complex... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3n4m | ||||||
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Title | E. coli RNA polymerase alpha subunit C-terminal domain in complex with CAP and DNA | ||||||
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![]() | GENE REGULATION/DNA / protein-protein interactions / protein-DNA interactions / GENE REGULATION-DNA complex | ||||||
Function / homology | ![]() carbon catabolite repression of transcription / DNA binding, bending / submerged biofilm formation / cellular response to cell envelope stress / cytosolic DNA-directed RNA polymerase complex / regulation of DNA-templated transcription initiation / bacterial-type flagellum assembly / minor groove of adenine-thymine-rich DNA binding / bacterial-type flagellum-dependent cell motility / nitrate assimilation ...carbon catabolite repression of transcription / DNA binding, bending / submerged biofilm formation / cellular response to cell envelope stress / cytosolic DNA-directed RNA polymerase complex / regulation of DNA-templated transcription initiation / bacterial-type flagellum assembly / minor groove of adenine-thymine-rich DNA binding / bacterial-type flagellum-dependent cell motility / nitrate assimilation / cAMP binding / transcription elongation factor complex / regulation of DNA-templated transcription elongation / transcription antitermination / DNA-templated transcription initiation / cell motility / protein-DNA complex / DNA-directed 5'-3' RNA polymerase activity / DNA-directed RNA polymerase / response to heat / intracellular iron ion homeostasis / sequence-specific DNA binding / protein dimerization activity / DNA-binding transcription factor activity / negative regulation of DNA-templated transcription / DNA-templated transcription / positive regulation of DNA-templated transcription / DNA binding / identical protein binding / membrane / cytoplasm / cytosol Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Lara-Gonzalez, S. / Birktoft, J.J. / Lawson, C.L. | ||||||
![]() | ![]() Title: The RNA Polymerase alpha Subunit Recognizes the DNA Shape of the Upstream Promoter Element. Authors: Lara-Gonzalez, S. / Dantas Machado, A.C. / Rao, S. / Napoli, A.A. / Birktoft, J. / Di Felice, R. / Rohs, R. / Lawson, C.L. #1: ![]() Title: Structural basis of transcription activation: the CAP-alpha CTD-DNA complex Authors: Benoff, B. / Yang, H. / Lawson, C.L. / Parkinson, G. / Liu, J. / Blatter, E. / Ebright, Y.W. / Berman, H.M. / Ebright, R.H. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 208.4 KB | Display | ![]() |
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PDB format | ![]() | 164.4 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.2 MB | Display | ![]() |
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Full document | ![]() | 1.2 MB | Display | |
Data in XML | ![]() | 17 KB | Display | |
Data in CIF | ![]() | 23.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 3n97C ![]() 1lb2S ![]() 3k4gS 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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Unit cell |
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Components on special symmetry positions |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: 1 / Ens-ID: 1 / Beg auth comp-ID: ASP / Beg label comp-ID: ASP / End auth comp-ID: PRO / End label comp-ID: PRO / Auth seq-ID: 250 - 322 / Label seq-ID: 5 - 77
NCS oper: (Code: given Matrix: (0.709049, -0.218932, -0.670312), Vector: |
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Components
-Protein , 2 types, 3 molecules ABC
#1: Protein | Mass: 23541.242 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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#2: Protein | Mass: 9364.795 Da / Num. of mol.: 2 / Fragment: alpha subunit C-terminal domain, residues 246-329 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
-DNA chain , 2 types, 2 molecules DE
#3: DNA chain | Mass: 6088.962 Da / Num. of mol.: 1 / Source method: obtained synthetically |
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#4: DNA chain | Mass: 7409.844 Da / Num. of mol.: 1 / Source method: obtained synthetically |
-Non-polymers , 3 types, 39 molecules ![](data/chem/img/CMP.gif)
![](data/chem/img/PEG.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/PEG.gif)
![](data/chem/img/HOH.gif)
#5: Chemical | #6: Chemical | #7: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 6.4 Å3/Da / Density % sol: 80.77 % |
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Crystal grow | Temperature: 293.2 K / Method: vapor diffusion, hanging drop / pH: 4.5 Details: 100 mM sodium acetate (pH 4.5), 625 mM NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 293.2K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 315r / Detector: CCD / Date: May 11, 2006 / Details: vertical mirror, horizontal monochromator |
Radiation | Monochromator: horizontally focusing monochromator / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.1 Å / Relative weight: 1 |
Reflection | Resolution: 2.987→38.51 Å / Num. all: 29113 / Num. obs: 29113 / % possible obs: 98.9 % / Observed criterion σ(F): -1 / Observed criterion σ(I): 2.5 / Redundancy: 4.5 % / Biso Wilson estimate: 99.7 Å2 / Rmerge(I) obs: 0.085 / Rsym value: 0.085 / Net I/σ(I): 11.5 |
Reflection shell | Resolution: 3.02→3.18 Å / Redundancy: 4.6 % / Rmerge(I) obs: 1.106 / Mean I/σ(I) obs: 1.6 / Num. unique all: 4202 / Rsym value: 1.106 / % possible all: 99.5 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 1lb2, 3k4g Resolution: 2.987→38.51 Å / Occupancy max: 1 / Occupancy min: 0.5 / FOM work R set: 0.828 / SU ML: 0.61 / Isotropic thermal model: group adp (by residue) / σ(F): 0.17 / Stereochemistry target values: ML
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 70.566 Å2 / ksol: 0.298 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 351.17 Å2 / Biso mean: 110.384 Å2 / Biso min: 38.96 Å2
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Refinement step | Cycle: LAST / Resolution: 2.987→38.51 Å
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Refine LS restraints |
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Refine LS restraints NCS |
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 11
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Refinement TLS params. | Method: refined / Origin x: 112.1779 Å / Origin y: -51.2756 Å / Origin z: 149.0329 Å
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Refinement TLS group |
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