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- PDB-1f4z: BACTERIORHODOPSIN-M PHOTOINTERMEDIATE STATE OF THE E204Q MUTANT A... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1f4z | ||||||
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Title | BACTERIORHODOPSIN-M PHOTOINTERMEDIATE STATE OF THE E204Q MUTANT AT 1.8 ANGSTROM RESOLUTION | ||||||
![]() | BACTERIORHODOPSIN | ||||||
![]() | PROTON TRANSPORT / MEMBRANE PROTEIN / ION PUMP / RETINAL PROTEIN / LIPIDS / PHOTORECEPTOR / HALOARCHAEA / 7-TRANSMEMBRANE / ION TRANSPORT / MEROHEDRAL TWINNING / E204Q mutant M state / photocycle intermediate | ||||||
Function / homology | ![]() photoreceptor activity / phototransduction / proton transmembrane transport / monoatomic ion channel activity / plasma membrane Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Luecke, H. / Schobert, B. / Cartailler, J.P. / Richter, H.T. / Rosengarth, A. / Needleman, R. / Lanyi, J.K. | ||||||
![]() | ![]() Title: Coupling photoisomerization of retinal to directional transport in bacteriorhodopsin. Authors: Luecke, H. / Schobert, B. / Cartailler, J.P. / Richter, H.T. / Rosengarth, A. / Needleman, R. / Lanyi, J.K. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 69.6 KB | Display | ![]() |
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PDB format | ![]() | 48.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 820.4 KB | Display | ![]() |
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Full document | ![]() | 861.1 KB | Display | |
Data in XML | ![]() | 12.9 KB | Display | |
Data in CIF | ![]() | 16.4 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1f50C ![]() 1c3wS 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
#1: Protein | Mass: 24860.438 Da / Num. of mol.: 1 / Mutation: E204Q Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() | ||||||
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#2: Chemical | ChemComp-LI1 / #3: Chemical | ChemComp-SQU / | #4: Chemical | ChemComp-RET / | #5: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.31 Å3/Da / Density % sol: 46.7 % | ||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 295 K / Method: cubic lipid phase / pH: 5.6 Details: MO:WATER:PHOSPHATE, pH 5.6, Cubic lipid phase, temperature 295K | ||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 20 ℃Details: Landau, E.M., (1996) Proc.Natl.Acad.Sci.USA., 93, 14532. | ||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction |
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Diffraction source |
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Detector |
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Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||||||||||
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 | ||||||||||||||||||||
Reflection | Resolution: 1.8→25 Å / Num. all: 214773 / Num. obs: 21451 / % possible obs: 99.5 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 10 % / Rmerge(I) obs: 0.082 / Net I/σ(I): 28.2 | ||||||||||||||||||||
Reflection shell | Resolution: 1.8→1.83 Å / Rmerge(I) obs: 0.446 / Mean I/σ(I) obs: 3.3 / % possible all: 95.1 | ||||||||||||||||||||
Reflection | *PLUS Num. measured all: 214773 | ||||||||||||||||||||
Reflection shell | *PLUS % possible obs: 95.1 % |
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Processing
Software |
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Refinement | Starting model: ISOMORPHOUS WITH 1C3W Resolution: 1.8→12 Å / Num. parameters: 8252 / Num. restraintsaints: 8198 / Cross valid method: 5% / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber Details: Twin ratio is 58:42, R-factor (F>4sig)=0.131, R-free (F>4sig)=0.190
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Refinement step | Cycle: LAST / Resolution: 1.8→12 Å
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Refine LS restraints |
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Software | *PLUS Name: SHELXL-97 / Classification: refinement | |||||||||||||||||||||||||
Refinement | *PLUS Lowest resolution: 12 Å / σ(F): 4 / % reflection Rfree: 5 % / Rfactor all: 0.142 / Rfactor obs: 0.131 | |||||||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||||||
Displacement parameters | *PLUS | |||||||||||||||||||||||||
Refine LS restraints | *PLUS
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