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Yorodumi- PDB-7mh8: Crystal structure of R. sphaeroides Photosynthetic Reaction Cente... -
+Open data
-Basic information
Entry | Database: PDB / ID: 7mh8 | ||||||
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Title | Crystal structure of R. sphaeroides Photosynthetic Reaction Center variant; Y(M210)3-methyltyrosine | ||||||
Components | (Reaction center protein ...) x 3 | ||||||
Keywords | PHOTOSYNTHESIS / photosynthetic / membrane protein / noncanonical amino acid / methyltyrosine | ||||||
Function / homology | Function and homology information plasma membrane-derived chromatophore membrane / plasma membrane light-harvesting complex / bacteriochlorophyll binding / photosynthetic electron transport in photosystem II / photosynthesis, light reaction / 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: 2.75 Å | ||||||
Authors | Mathews, I. / Weaver, J. / Boxer, S.G. | ||||||
Funding support | United States, 1items
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Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 2021 Title: Photosynthetic reaction center variants made via genetic code expansion show Tyr at M210 tunes the initial electron transfer mechanism. Authors: Weaver, J.B. / Lin, C.Y. / Faries, K.M. / Mathews, I.I. / Russi, S. / Holten, D. / Kirmaier, C. / Boxer, S.G. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7mh8.cif.gz | 357.1 KB | Display | PDBx/mmCIF format |
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PDB format | pdb7mh8.ent.gz | 283.7 KB | Display | PDB format |
PDBx/mmJSON format | 7mh8.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 7mh8_validation.pdf.gz | 2.6 MB | Display | wwPDB validaton report |
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Full document | 7mh8_full_validation.pdf.gz | 2.5 MB | Display | |
Data in XML | 7mh8_validation.xml.gz | 36.1 KB | Display | |
Data in CIF | 7mh8_validation.cif.gz | 48.5 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/mh/7mh8 ftp://data.pdbj.org/pub/pdb/validation_reports/mh/7mh8 | HTTPS FTP |
-Related structure data
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
-Reaction center protein ... , 3 types, 3 molecules HLM
#1: Protein | Mass: 28923.246 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Rhodobacter sphaeroides (bacteria) / Gene: puhA / Plasmid: pIND4-RC-M210TAG-HaloY1 / Production host: Luteovulum sphaeroides (bacteria) / Strain (production host): RCx / References: UniProt: P0C0Y7 |
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#2: Protein | Mass: 31477.584 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Rhodobacter sphaeroides (bacteria) / Gene: pufL / Plasmid: pIND4-RC-M210TAG-HaloY1 / Production host: Luteovulum sphaeroides (bacteria) / Strain (production host): RCx / References: UniProt: P0C0Y8 |
#3: Protein | Mass: 34543.762 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Details: ZDJ in parenthesis is Methyl Tyrosine / Source: (gene. exp.) Rhodobacter sphaeroides (bacteria) / Gene: pufM / Plasmid: pIND4-RC-M210TAG-HaloY1 / Production host: Luteovulum sphaeroides (bacteria) / Strain (production host): RCx / References: UniProt: P0C0Y9 |
-Non-polymers , 8 types, 148 molecules
#4: Chemical | ChemComp-LDA / #5: Chemical | ChemComp-BCL / #6: Chemical | #7: Chemical | #8: Chemical | ChemComp-FE / | #9: Chemical | ChemComp-SPO / | #10: Chemical | ChemComp-CDL / | #11: Water | ChemComp-HOH / | |
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-Details
Has ligand of interest | Y |
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Has protein modification | Y |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 5.65 Å3/Da / Density % sol: 78.23 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 8 Details: 1 M potassium phosphate, 3.5% 1,2,3-heptanetriol, and 0.1% LDAO precipitant solution; 1.4-1.5 M potassium phosphate reservoir solution, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 293 K / Serial crystal experiment: N | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: SYNCHROTRON / Site: SSRL / Beamline: BL14-1 / Wavelength: 1.19499 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: DECTRIS EIGER X 16M / Detector: PIXEL / Date: May 28, 2018 Details: Rh coated collimating mirror, Toroidal focusing mirror | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 1.19499 Å / Relative weight: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Resolution: 2.75→38.96 Å / Num. obs: 56220 / % possible obs: 99.7 % / Redundancy: 8.526 % / Biso Wilson estimate: 63.009 Å2 / CC1/2: 0.998 / Rmerge(I) obs: 0.15 / Rrim(I) all: 0.16 / Χ2: 1.027 / Net I/σ(I): 11.39 / Num. measured all: 479326 / Scaling rejects: 26 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell | Diffraction-ID: 1
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-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: Chloro coordiante Resolution: 2.75→38.96 Å / Cor.coef. Fo:Fc: 0.938 / Cor.coef. Fo:Fc free: 0.939 / WRfactor Rfree: 0.1843 / WRfactor Rwork: 0.161 / FOM work R set: 0.8311 / SU B: 16.938 / SU ML: 0.172 / SU R Cruickshank DPI: 0.2716 / SU Rfree: 0.2073 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.272 / ESU R Free: 0.207 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : WITH TLS ADDED
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 150.65 Å2 / Biso mean: 61.351 Å2 / Biso min: 26.79 Å2
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Refinement step | Cycle: final / Resolution: 2.75→38.96 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.75→2.821 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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