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Yorodumi- PDB-1g23: THE STRUCTURAL BASIS OF THE CATALYTIC MECHANISM AND REGULATION OF... -
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-Basic information
Entry | Database: PDB / ID: 1g23 | ||||||
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Title | THE STRUCTURAL BASIS OF THE CATALYTIC MECHANISM AND REGULATION OF GLUCOSE-1-PHOSPHATE THYMIDYLYLTRANSFERASE (RMLA). GLUCOSE-1-PHOSPHATE COMPLEX. | ||||||
Components | GLUCOSE-1-PHOSPHATE THYMIDYLYLTRANSFERASE | ||||||
Keywords | TRANSFERASE / L-rhamnose / nucleotidyltransferase / pyrophosphorylase / thymidylyltransferase / allostery | ||||||
Function / homology | Function and homology information glucose-1-phosphate thymidylyltransferase / glucose-1-phosphate thymidylyltransferase activity / dTDP-rhamnose biosynthetic process / lipopolysaccharide core region biosynthetic process / : / nucleotide binding / metal ion binding Similarity search - Function | ||||||
Biological species | Pseudomonas aeruginosa (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / Resolution: 2.8 Å | ||||||
Authors | Blankenfeldt, W. / Asuncion, M. / Lam, J.S. / Naismith, J.H. | ||||||
Citation | Journal: EMBO J. / Year: 2000 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: Journal: Acta Crystallogr.,Sect.D / Year: 2000 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: Journal: J.Biol.Chem. / Year: 1965 Title: The Nucleotide Specificity and Feedback Control of Thymidine Diphosphate D-glucose Pyrophosphorylase. Authors: Melo, A. / Glaser, L. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1g23.cif.gz | 448.6 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1g23.ent.gz | 373.5 KB | Display | PDB format |
PDBx/mmJSON format | 1g23.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 1g23_validation.pdf.gz | 3 MB | Display | wwPDB validaton report |
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Full document | 1g23_full_validation.pdf.gz | 3.1 MB | Display | |
Data in XML | 1g23_validation.xml.gz | 101.1 KB | Display | |
Data in CIF | 1g23_validation.cif.gz | 126.1 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/g2/1g23 ftp://data.pdbj.org/pub/pdb/validation_reports/g2/1g23 | HTTPS FTP |
-Related structure data
Related structure data | 1fxoC 1fzwC 1g0rC 1g1lC 1g2vC 1g3lC C: citing same article (ref.) |
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Similar structure data |
-Links
-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 best described as a dimer of dimers. |
-Components
#1: Protein | Mass: 32676.422 Da / Num. of mol.: 8 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Pseudomonas aeruginosa (bacteria) / Plasmid: PET23A(+) / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(LAMBDA DE3) References: UniProt: Q9HU22, glucose-1-phosphate thymidylyltransferase #2: Sugar | ChemComp-G1P / #3: Chemical | ChemComp-SO4 / Has protein modification | Y | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.63 Å3/Da / Density % sol: 53.17 % | ||||||||||||||||||||
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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 Li-sulfate, 0.1 M Na-citrate, 4+4 mikrolitre + 1 mikrolitre 100 mM G1P, 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: SYNCHROTRON / Site: ESRF / Beamline: BM14 / Wavelength: 0.885 Å |
Detector | Type: MARRESEARCH / Detector: CCD / Date: Mar 1, 2000 |
Radiation | Monochromator: Si 111 Channel Cut Monochromator / Protocol: MAD / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.885 Å / Relative weight: 1 |
Reflection | Resolution: 2.8→30 Å / Num. obs: 121112 / % possible obs: 92.7 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 1.9 % / Biso Wilson estimate: 49 Å2 / Rmerge(I) obs: 0.024 / Net I/σ(I): 29.7 |
Reflection shell | Resolution: 2.8→2.87 Å / Redundancy: 1.7 % / Rmerge(I) obs: 0.089 / Mean I/σ(I) obs: 9.8 / % possible all: 69.4 |
Reflection | *PLUS Num. measured all: 224654 |
Reflection shell | *PLUS % possible obs: 69.4 % |
-Processing
Software |
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Refinement | Resolution: 2.8→72.55 Å / SU B: 19.9 / SU ML: 0.40774 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R Free: 0.50849 / Stereochemistry target values: Engh & Huber
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Displacement parameters | Biso mean: 27.94 Å2
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Refinement step | Cycle: LAST / Resolution: 2.8→72.55 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.8→2.87 Å /
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Software | *PLUS Name: REFMAC5 / Classification: refinement | ||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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