+Open data
-Basic information
Entry | Database: PDB / ID: 3bkt | ||||||
---|---|---|---|---|---|---|---|
Title | Copper-bound C-terminal Domain of NikR | ||||||
Components | Nickel-responsive regulator | ||||||
Keywords | METAL BINDING PROTEIN / NikR / nickel regulatory protein / transcription factor / beta sandwich / DNA-binding / Metal-binding / Repressor / Transcription regulation | ||||||
Function / homology | Function and homology information negative regulation of DNA-templated transcription initiation / response to nickel cation / DNA-binding transcription repressor activity / nickel cation binding / core promoter sequence-specific DNA binding / protein-DNA complex / transcription regulator complex / sequence-specific DNA binding / transcription cis-regulatory region binding / regulation of DNA-templated transcription ...negative regulation of DNA-templated transcription initiation / response to nickel cation / DNA-binding transcription repressor activity / nickel cation binding / core promoter sequence-specific DNA binding / protein-DNA complex / transcription regulator complex / sequence-specific DNA binding / transcription cis-regulatory region binding / regulation of DNA-templated transcription / DNA binding / identical protein binding Similarity search - Function | ||||||
Biological species | Escherichia coli (E. coli) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / Resolution: 1.5 Å | ||||||
Authors | Phillips, C.M. / Schreiter, E.R. / Drennan, C.L. | ||||||
Citation | Journal: Biochemistry / Year: 2008 Title: Structural Basis of the Metal Specificity for Nickel Regulatory Protein NikR. Authors: Phillips, C.M. / Schreiter, E.R. / Guo, Y. / Wang, S.C. / Zamble, D.B. / Drennan, C.L. | ||||||
History |
|
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
---|
-Downloads & links
-Download
PDBx/mmCIF format | 3bkt.cif.gz | 144.2 KB | Display | PDBx/mmCIF format |
---|---|---|---|---|
PDB format | pdb3bkt.ent.gz | 114.6 KB | Display | PDB format |
PDBx/mmJSON format | 3bkt.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 3bkt_validation.pdf.gz | 448.1 KB | Display | wwPDB validaton report |
---|---|---|---|---|
Full document | 3bkt_full_validation.pdf.gz | 452 KB | Display | |
Data in XML | 3bkt_validation.xml.gz | 15.6 KB | Display | |
Data in CIF | 3bkt_validation.cif.gz | 22 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/bk/3bkt ftp://data.pdbj.org/pub/pdb/validation_reports/bk/3bkt | HTTPS FTP |
-Related structure data
Related structure data | 3bkfC 3bkuC 1q5yS C: citing same article (ref.) S: Starting model for refinement |
---|---|
Similar structure data |
-Links
-Assembly
Deposited unit |
| ||||||||
---|---|---|---|---|---|---|---|---|---|
1 |
| ||||||||
2 |
| ||||||||
3 |
| ||||||||
Unit cell |
|
-Components
#1: Protein | Mass: 9724.845 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli (E. coli) / Gene: nikR / Plasmid: pET28 / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: P0A6Z6 #2: Chemical | ChemComp-CU / #3: Water | ChemComp-HOH / | |
---|
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
---|
-Sample preparation
Crystal | Density Matthews: 1.89 Å3/Da / Density % sol: 34.82 % |
---|---|
Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 8 Details: 0.2M Na Tartrate, 20% PEG 3350, pH 8.0, vapor diffusion, hanging drop, temperature 298K |
-Data collection
Diffraction | Mean temperature: 100 K |
---|---|
Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 8-BM / Wavelength: 0.9791 Å |
Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Feb 14, 2004 |
Radiation | Monochromator: Si 111 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9791 Å / Relative weight: 1 |
Reflection | Resolution: 1.5→50 Å / Num. all: 47685 / Num. obs: 46684 / % possible obs: 97.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 8.1 % / Rmerge(I) obs: 0.059 / Rsym value: 0.057 / Χ2: 1.135 / Net I/σ(I): 16.9 |
Reflection shell | Resolution: 1.5→1.55 Å / Redundancy: 6.1 % / Rmerge(I) obs: 0.263 / Mean I/σ(I) obs: 5.3 / Num. unique all: 4006 / Rsym value: 0.254 / Χ2: 1.313 / % possible all: 85.2 |
-Processing
Software |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Refinement | Starting model: The tetramer of nickel-bound c-terminal domain of NikR, 1Q5Y Resolution: 1.5→15.17 Å / Cor.coef. Fo:Fc: 0.959 / Cor.coef. Fo:Fc free: 0.949 / SU B: 3.108 / SU ML: 0.054 / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / ESU R: 0.115 / ESU R Free: 0.088 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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: 16.047 Å2
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.5→15.17 Å
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LS refinement shell | Resolution: 1.5→1.541 Å / Total num. of bins used: 20
|