[English] 日本語
Yorodumi- PDB-8c34: Aerobic light exposed 1.8 Angstrom crystal structure of cobalamin... -
+Open data
-Basic information
Entry | Database: PDB / ID: 8c34 | ||||||
---|---|---|---|---|---|---|---|
Title | Aerobic light exposed 1.8 Angstrom crystal structure of cobalamin binding domain belonging to a light-dependent transcription regulator TtCarH | ||||||
Components | Probable transcriptional regulator | ||||||
Keywords | TRANSCRIPTION / CarH / cobalamin / light-activated / transcription regulator | ||||||
Function / homology | Function and homology information cobalamin binding / DNA-binding transcription factor activity / DNA binding / identical protein binding / metal ion binding Similarity search - Function | ||||||
Biological species | Thermus thermophilus HB27 (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.82 Å | ||||||
Authors | Poddar, H. / Leys, D. | ||||||
Funding support | United Kingdom, 1items
| ||||||
Citation | Journal: Nat Commun / Year: 2023 Title: Redox driven B 12 -ligand switch drives CarH photoresponse. Authors: Poddar, H. / Rios-Santacruz, R. / Heyes, D.J. / Shanmugam, M. / Brookfield, A. / Johannissen, L.O. / Levy, C.W. / Jeffreys, L.N. / Zhang, S. / Sakuma, M. / Colletier, J.P. / Hay, S. / ...Authors: Poddar, H. / Rios-Santacruz, R. / Heyes, D.J. / Shanmugam, M. / Brookfield, A. / Johannissen, L.O. / Levy, C.W. / Jeffreys, L.N. / Zhang, S. / Sakuma, M. / Colletier, J.P. / Hay, S. / Schiro, G. / Weik, M. / Scrutton, N.S. / Leys, D. | ||||||
History |
|
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
---|
-Downloads & links
-Download
PDBx/mmCIF format | 8c34.cif.gz | 187 KB | Display | PDBx/mmCIF format |
---|---|---|---|---|
PDB format | pdb8c34.ent.gz | 147.2 KB | Display | PDB format |
PDBx/mmJSON format | 8c34.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/c3/8c34 ftp://data.pdbj.org/pub/pdb/validation_reports/c3/8c34 | HTTPS FTP |
---|
-Related structure data
Related structure data | 8c31SC 8c32C 8c33C 8c35C 8c36C 8c37C 8c73C 8c76C S: Starting model for refinement C: citing same article (ref.) |
---|---|
Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
| ||||||||
---|---|---|---|---|---|---|---|---|---|
1 |
| ||||||||
Unit cell |
|
-Components
#1: Protein | Mass: 23259.801 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Thermus thermophilus HB27 (bacteria) / Gene: TT_P0056 / Production host: Escherichia coli (E. coli) / References: UniProt: Q746J7 #2: Chemical | ChemComp-B12 / #3: Chemical | ChemComp-PEG / | #4: Chemical | ChemComp-PGE / | #5: Water | ChemComp-HOH / | Has ligand of interest | Y | |
---|
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
---|
-Sample preparation
Crystal | Density Matthews: 2.4 Å3/Da / Density % sol: 48.67 % |
---|---|
Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 6.5 Details: Condition B3 from Morpheus screen (Molecular Dimensions) (0.09 M halogens, 0.1 M buffer system 1 pH 6.5, 30% v/v precipitant mix 3) Cryo-protected crystals exposed to bright 530 nm LED ...Details: Condition B3 from Morpheus screen (Molecular Dimensions) (0.09 M halogens, 0.1 M buffer system 1 pH 6.5, 30% v/v precipitant mix 3) Cryo-protected crystals exposed to bright 530 nm LED (Thorlabs) for 1-5 secs under aerobic conditions |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
---|---|
Diffraction source | Source: SYNCHROTRON / Site: Diamond / Beamline: I03 / Wavelength: 0.976 Å |
Detector | Type: DECTRIS EIGER2 X 16M / Detector: PIXEL / Date: Oct 14, 2022 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.976 Å / Relative weight: 1 |
Reflection | Resolution: 1.82→52.1 Å / Num. obs: 81098 / % possible obs: 100 % / Redundancy: 25.7 % / CC1/2: 1 / Net I/σ(I): 19 |
Reflection shell | Resolution: 1.82→1.85 Å / Mean I/σ(I) obs: 1.1 / Num. unique obs: 3892 / CC1/2: 0.5 / % possible all: 97.4 |
-Processing
Software |
| ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 8C31 Resolution: 1.82→52.1 Å / Cross valid method: FREE R-VALUE
| ||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.82→52.1 Å
| ||||||||||||||||
LS refinement shell | Resolution: 1.82→1.87 Å /
|