[English] 日本語
Yorodumi- PDB-3duq: E(L212)A, D(L213)A, N(M5)D triple mutant structure of photosynthe... -
+Open data
-Basic information
Entry | Database: PDB / ID: 3duq | ||||||
---|---|---|---|---|---|---|---|
Title | E(L212)A, D(L213)A, N(M5)D triple mutant structure of photosynthetic reaction center from Rhodobacter sphaeroides | ||||||
Components | (Reaction center protein ...) x 3 | ||||||
Keywords | PHOTOSYNTHESIS / Mutant photosynthetic reaction center / Phenotypic revertant / Proton transfer / membrane protein | ||||||
Function / homology | Function and homology information plasma membrane-derived chromatophore membrane / plasma membrane light-harvesting complex / bacteriochlorophyll binding / photosynthesis, light reaction / photosynthetic electron transport in photosystem II / electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity / metal ion binding Similarity search - Function | ||||||
Biological species | Rhodobacter sphaeroides (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.7 Å | ||||||
Authors | Pokkuluri, P.R. / Schiffer, M. | ||||||
Citation | Journal: To be Published Title: Structural description of compensatory mutations that restore proton transfer pathways to the L212A-L213A mutant bacterial reaction center Authors: Pokkuluri, P.R. / Laible, P.D. / Ginell, S.L. / Hanson, D.K. / Schiffer, M. | ||||||
History |
|
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
---|
-Downloads & links
-Download
PDBx/mmCIF format | 3duq.cif.gz | 204.9 KB | Display | PDBx/mmCIF format |
---|---|---|---|---|
PDB format | pdb3duq.ent.gz | 157.7 KB | Display | PDB format |
PDBx/mmJSON format | 3duq.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 3duq_validation.pdf.gz | 2.8 MB | Display | wwPDB validaton report |
---|---|---|---|---|
Full document | 3duq_full_validation.pdf.gz | 2.7 MB | Display | |
Data in XML | 3duq_validation.xml.gz | 44.6 KB | Display | |
Data in CIF | 3duq_validation.cif.gz | 57 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/du/3duq ftp://data.pdbj.org/pub/pdb/validation_reports/du/3duq | HTTPS FTP |
-Related structure data
Related structure data | 1k6nS S: Starting model for refinement |
---|---|
Similar structure data |
-Links
-Assembly
Deposited unit |
| ||||||||
---|---|---|---|---|---|---|---|---|---|
1 |
| ||||||||
Unit cell |
| ||||||||
Details | Authors state that the photosynthetic reaction center is a complex made up of three protein chains (L,M,H) and several co-factors. |
-Components
-Reaction center protein ... , 3 types, 3 molecules LMH
#1: Protein | Mass: 31244.346 Da / Num. of mol.: 1 / Mutation: E(L212)A, D(L213)A, N(M5)D Source method: isolated from a genetically manipulated source Source: (gene. exp.) Rhodobacter sphaeroides (bacteria) / Gene: pufL / Production host: Rhodobacter sphaeroides (bacteria) / References: UniProt: P0C0Y8 |
---|---|
#2: Protein | Mass: 35366.543 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Rhodobacter sphaeroides (bacteria) / Gene: pufM / Production host: Rhodobacter sphaeroides (bacteria) / References: UniProt: P0C0Y9 |
#3: Protein | Mass: 28066.322 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Rhodobacter sphaeroides (bacteria) / Gene: puhA / Production host: Rhodobacter sphaeroides (bacteria) / References: UniProt: P0C0Y7 |
-Non-polymers , 8 types, 170 molecules
#4: Chemical | ChemComp-BCL / #5: Chemical | #6: Chemical | #7: Chemical | ChemComp-LDA / #8: Chemical | ChemComp-FE / | #9: Chemical | ChemComp-SPN / | #10: Chemical | ChemComp-CDL / | #11: Water | ChemComp-HOH / | |
---|
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 4 |
---|
-Sample preparation
Crystal | Density % sol: 78.44 % |
---|---|
Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 7.5 Details: Potassium phosphate, LDAO, Heptane triol, Dioxane, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 273 K |
---|---|
Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 19-ID |
Detector | Type: CUSTOM-MADE / Detector: CCD / Date: Apr 9, 2002 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Relative weight: 1 |
Reflection | Resolution: 2.7→30 Å / Num. obs: 55881 / % possible obs: 97 % / Observed criterion σ(I): -3 / Redundancy: 4.7 % / Rmerge(I) obs: 0.092 / Net I/σ(I): 23 |
Reflection shell | Resolution: 2.7→2.8 Å / Redundancy: 2 % / Rmerge(I) obs: 0.391 / Mean I/σ(I) obs: 2.6 / Num. unique all: 3899 / % possible all: 77 |
-Processing
Software |
| |||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 1k6n with M5Asn side chain truncated at CB Resolution: 2.7→30 Å / σ(F): 0 / Stereochemistry target values: Engh & Huber Details: After refitting, only isotropic B-factor refinement was done with CNS. No positional refinement was done
| |||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.7→30 Å
|