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- PDB-1a4x: PYRR, THE BACILLUS SUBTILIS PYRIMIDINE BIOSYNTHETIC OPERON REPRES... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1a4x | ||||||
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Title | PYRR, THE BACILLUS SUBTILIS PYRIMIDINE BIOSYNTHETIC OPERON REPRESSOR, HEXAMERIC FORM | ||||||
![]() | PYRIMIDINE OPERON REGULATORY PROTEIN PYRR | ||||||
![]() | TRANSCRIPTION REGULATION / ATTENUATION PROTEIN / RNA-BINDING PROTEIN / PYRIMIDINE BIOSYNTHESIS / TRANSFERASE / PRTASE / PHOSPHORIBOSYLTRANSFERASE / BIFUNCTIONAL ENZYME | ||||||
Function / homology | ![]() uracil phosphoribosyltransferase / uracil phosphoribosyltransferase activity / DNA-templated transcription termination / RNA binding Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Tomchick, D.R. / Turner, R.J. / Switzer, R.W. / Smith, J.L. | ||||||
![]() | ![]() Title: Adaptation of an enzyme to regulatory function: structure of Bacillus subtilis PyrR, a pyr RNA-binding attenuation protein and uracil phosphoribosyltransferase. Authors: Tomchick, D.R. / Turner, R.J. / Switzer, R.L. / Smith, J.L. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 83.1 KB | Display | ![]() |
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PDB format | ![]() | 64.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 452.4 KB | Display | ![]() |
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Full document | ![]() | 459.7 KB | Display | |
Data in XML | ![]() | 18.3 KB | Display | |
Data in CIF | ![]() | 25.7 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1a3cSC 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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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS oper: (Code: given Matrix: (-0.556303, 0.830967, -0.004548), Vector: |
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Components
#1: Protein | Mass: 20290.279 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() #2: Chemical | #3: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.4 Å3/Da / Density % sol: 58 % | ||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | pH: 5.1 Details: PROTEIN WAS CRYSTALLIZED FROM 14-16% PEG 6000, 300 MM AMMONIUM SULFATE, 0.2% BETA-OCTYLGLUCOSIDE, 50 MM SODIUM SUCCINATE, PH 5.1. HEXAGONAL SETTING FOR R 3 2. | ||||||||||||||||||||||||||||||||||||||||||
Crystal | *PLUS | ||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 20 ℃ / pH: 7.5 / Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 120 K |
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Diffraction source | Source: ![]() |
Detector | Type: RIGAKU RAXIS II / Detector: IMAGE PLATE / Date: Sep 1, 1995 / Details: MIRRORS |
Radiation | Monochromator: NI FILTER / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.3→40 Å / Num. obs: 23877 / % possible obs: 98.6 % / Observed criterion σ(I): 0 / Redundancy: 3.9 % / Biso Wilson estimate: 37.8 Å2 / Rsym value: 0.05 / Net I/σ(I): 34 |
Reflection shell | Resolution: 2.3→2.4 Å / Redundancy: 3 % / Mean I/σ(I) obs: 8 / Rsym value: 0.158 / % possible all: 97.5 |
Reflection | *PLUS Num. measured all: 92317 / Rmerge(I) obs: 0.05 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1A3C Resolution: 2.3→15 Å / Data cutoff high absF: 10000000 / Data cutoff low absF: 0.001 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 Details: LYS 40, IN BOTH THE A AND B CHAINS, HAS PHI/PSI VALUES THAT ARE NORMALLY DISALLOWED. IN SOME OTHER PRTASES, THIS PEPTIDE IS TYPICALLY FOUND IN THE CIS CONFORMATION.
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Displacement parameters | Biso mean: 35.7 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.3→15 Å
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Refine LS restraints |
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Refine LS restraints NCS | Refine-ID: X-RAY DIFFRACTION / Rms dev Biso : 30 Å2 / Rms dev position: 1 Å / Weight Biso : 0.5
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LS refinement shell | Resolution: 2.3→2.35 Å / Total num. of bins used: 15
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Software | *PLUS Name: ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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