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- PDB-1g0r: THE STRUCTURAL BASIS OF THE CATALYTIC MECHANISM AND REGULATION OF... -
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Basic information
Entry | Database: PDB / ID: 1g0r | ||||||
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Title | THE STRUCTURAL BASIS OF THE CATALYTIC MECHANISM AND REGULATION OF GLUCOSE-1-PHOSPHATE THYMIDYLYLTRANSFERASE (RMLA). THYMIDINE/GLUCOSE-1-PHOSPHATE COMPLEX. | ||||||
![]() | GLUCOSE-1-PHOSPHATE THYMIDYLYLTRANSFERASE | ||||||
![]() | TRANSFERASE / L-rhamnose / nucleotidyltransferase / pyrophosphorylase / thymidylyltransferase / allostery | ||||||
Function / homology | ![]() glucose-1-phosphate thymidylyltransferase / glucose-1-phosphate thymidylyltransferase activity / dTDP-rhamnose biosynthetic process / lipopolysaccharide core region biosynthetic process / extracellular polysaccharide biosynthetic process / nucleotide binding / metal ion binding Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Blankenfeldt, W. / Asuncion, M. / Lam, J.S. / Naismith, J.H. | ||||||
![]() | ![]() Title: The structural basis of the catalytic mechanism and regulation of glucose-1-phosphate thymidylyltransferase (RmlA). Authors: Blankenfeldt, W. / Asuncion, M. / Lam, J.S. / Naismith, J.H. #1: ![]() Title: The Purification, Crystallisation and Preliminary Structural Characterisation of Glucose-1-phosphate Thymidylyltransferase (RmlA), the First Enzyme of the dTDP-L-rhamnose Synthesis Pathway ...Title: The Purification, Crystallisation and Preliminary Structural Characterisation of Glucose-1-phosphate Thymidylyltransferase (RmlA), the First Enzyme of the dTDP-L-rhamnose Synthesis Pathway from Pseudomonas aeruginosa Authors: Blankenfeldt, W. / Giraud, M.F. / Leonard, G. / Rahim, R. / Creuzenet, C. / Lam, J.S. / Naismith, J.H. #2: ![]() Title: The Nucleotide Specificity and Feedback Control of Thymidine Diphosphate D-glucose Pyrophosphorylase Authors: Melo, A. / Glaser, L. | ||||||
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 1021.4 KB | Display | ![]() |
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PDB format | ![]() | 848.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 2.8 MB | Display | ![]() |
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Full document | ![]() | 2.9 MB | Display | |
Data in XML | ![]() | 123.8 KB | Display | |
Data in CIF | ![]() | 170.3 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1fxoC ![]() 1fzwC ![]() 1g1lC ![]() 1g23C ![]() 1g2vC ![]() 1g3lC 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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2 | ![]()
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Unit cell |
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Details | The biological assembly is a tetramer that can be described as a dimer of dimers. |
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Components
#1: Protein | Mass: 32488.844 Da / Num. of mol.: 8 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: Q9HU22, glucose-1-phosphate thymidylyltransferase #2: Sugar | ChemComp-G1P / #3: Chemical | ChemComp-SO4 / #4: Chemical | ChemComp-THM / #5: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.62 Å3/Da / Density % sol: 53.02 % | ||||||||||||||||||||||||
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Crystal grow | Temperature: 292 K / Method: vapor diffusion, sitting drop / pH: 4.6 Details: 9-11% (w/v) PEG 6000 0.5 M lithium sulfate cocrystallisation with ligands, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 292K | ||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 293 KDetails: Blankenfeldt, W., (2000) Acta Crystallogr.,Sect.D, 56, 1501. | ||||||||||||||||||||||||
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: CCD / Date: Feb 29, 2000 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.934 Å / Relative weight: 1 |
Reflection | Resolution: 1.87→72.55 Å / Num. obs: 183207 / % possible obs: 84.7 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 1.8 % / Biso Wilson estimate: 23 Å2 / Rmerge(I) obs: 0.067 / Net I/σ(I): 6.9 |
Reflection shell | Resolution: 1.87→1.97 Å / Redundancy: 1.3 % / Rmerge(I) obs: 0.291 / % possible all: 66.8 |
Reflection | *PLUS Num. measured all: 333697 |
Reflection shell | *PLUS % possible obs: 66.8 % / Mean I/σ(I) obs: 2.4 |
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Processing
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Refinement | Resolution: 1.87→73 Å / SU B: 10.81297 / SU ML: 0.165 / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / ESU R Free: 0.21113 / Stereochemistry target values: Engh & Huber Details: Initial TLS-refinement. Anisotropic B-values calculated but not refined
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Displacement parameters | Biso mean: 17.52 Å2
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Refinement step | Cycle: LAST / Resolution: 1.87→73 Å
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Refine LS restraints |
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Software | *PLUS Name: REFMAC5 / Classification: refinement | ||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor Rfree: 0.395 / Rfactor Rwork: 0.232 |