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- PDB-1qu7: FOUR HELICAL-BUNDLE STRUCTURE OF THE CYTOPLASMIC DOMAIN OF A SERI... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1qu7 | ||||||
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Title | FOUR HELICAL-BUNDLE STRUCTURE OF THE CYTOPLASMIC DOMAIN OF A SERINE CHEMOTAXIS RECEPTOR | ||||||
![]() | METHYL-ACCEPTING CHEMOTAXIS PROTEIN I | ||||||
![]() | SIGNALING PROTEIN / SERINE / CHEMOTAXIS / FOUR HELICAL-BUNDLE | ||||||
Function / homology | ![]() regulation of protein histidine kinase activity / detection of chemical stimulus / methyl accepting chemotaxis protein complex / regulation of bacterial-type flagellum-dependent cell motility / regulation of chemotaxis / signal complex assembly / receptor clustering / cell motility / cellular response to amino acid stimulus / transmembrane signaling receptor activity ...regulation of protein histidine kinase activity / detection of chemical stimulus / methyl accepting chemotaxis protein complex / regulation of bacterial-type flagellum-dependent cell motility / regulation of chemotaxis / signal complex assembly / receptor clustering / cell motility / cellular response to amino acid stimulus / transmembrane signaling receptor activity / chemotaxis / signal transduction / identical protein binding / plasma membrane Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Kim, K.K. / Yokota, H. / Kim, S.-H. | ||||||
![]() | ![]() Title: Four-helical-bundle structure of the cytoplasmic domain of a serine chemotaxis receptor. Authors: Kim, K.K. / Yokota, H. / Kim, S.H. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 94.9 KB | Display | ![]() |
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PDB format | ![]() | 74.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 435.8 KB | Display | ![]() |
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Full document | ![]() | 477 KB | Display | |
Data in XML | ![]() | 25.5 KB | Display | |
Data in CIF | ![]() | 35.4 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 23741.311 Da / Num. of mol.: 2 / Fragment: CYTOPLASMIC DOMAIN (RESIDUE 286-526) Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() #2: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 4.78 Å3/Da / Density % sol: 74.29 % | ||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, sitting drop / pH: 6.5 Details: MPD, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K | ||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 4 ℃ / Method: sparse matrix method | ||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Jan 15, 1997 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.08 Å / Relative weight: 1 |
Reflection | Resolution: 2.6→100 Å / Num. obs: 40467 / % possible obs: 95.6 % / Observed criterion σ(I): 0 / Redundancy: 3.84 % / Biso Wilson estimate: 54.6 Å2 / Rmerge(I) obs: 0.125 / Net I/σ(I): 4.9 |
Reflection shell | Resolution: 2.6→2.69 Å / Redundancy: 2.5 % / Rmerge(I) obs: 0.745 / % possible all: 74 |
Reflection | *PLUS Highest resolution: 2.6 Å / Lowest resolution: 30 Å / Observed criterion σ(I): 0 / Redundancy: 3.84 % / Rmerge(I) obs: 0.125 / Biso Wilson estimate: 54.6 Å2 |
Reflection shell | *PLUS Highest resolution: 2.6 Å / Rmerge(I) obs: 0.745 |
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Processing
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Refinement | Resolution: 2.6→100 Å / σ(F): 2 / Stereochemistry target values: ENGH & HUBER Details: THE DISTRIBUTION OF THE INTENSITIES OF DIFFRACTION PATTERN WAS VERY ANISOTROPIC : 2.6 A ALONG C-AXIS, 3.5 A ALONG A,B AXIS. SINCE DIFFRACTION INTENSITIES ARE ANISOTROPIC, REFLECTIONS IN ...Details: THE DISTRIBUTION OF THE INTENSITIES OF DIFFRACTION PATTERN WAS VERY ANISOTROPIC : 2.6 A ALONG C-AXIS, 3.5 A ALONG A,B AXIS. SINCE DIFFRACTION INTENSITIES ARE ANISOTROPIC, REFLECTIONS IN RESOLUTION RANGE OF 30.0 - 3.5 A ALONG A AND B AXES, AND 2.6 A ALONG C-AXIS WERE USED FOR REFINEMENT.
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Refinement step | Cycle: LAST / Resolution: 2.6→100 Å
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Refinement | *PLUS Highest resolution: 2.6 Å / Lowest resolution: 30 Å / σ(F): 2 / % reflection Rfree: 5 % / Rfactor obs: 0.243 / Rfactor Rfree: 0.276 / Rfactor Rwork: 0.243 | ||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||
Refine LS restraints | *PLUS
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