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Open data
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Basic information
| Entry | Database: PDB / ID: 1gt7 | ||||||
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| Title | L-rhamnulose-1-phosphate aldolase from Escherichia coli | ||||||
Components | RHAMNULOSE-1-PHOSPHATE ALDOLASE | ||||||
Keywords | LYASE / ALDOLASE (LYASE) / CLASS II / ZINC ENZYME / BACTERIAL L- RHAMNOSE METABOLISM / CLEAVAGE OF L-RHAMNULOSE-1-PHOSPHATE TO DIHYDROXYACETONEPHOSPHATE AND L-LACTALDEHYDE | ||||||
| Function / homology | Function and homology informationrhamnulose-1-phosphate aldolase / rhamnulose-1-phosphate aldolase activity / rhamnose catabolic process / pentose catabolic process / aldehyde-lyase activity / metal ion binding / identical protein binding / cytosol Similarity search - Function | ||||||
| Biological species | ![]() | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / SIR / Resolution: 2.7 Å | ||||||
Authors | Kroemer, M. / Schulz, G.E. | ||||||
Citation | Journal: Acta Crystallogr.,Sect.D / Year: 2002Title: The Structure of L-Rhamnulose-1-Phosphate Aldolase (Class II) Solved by Low-Resolution Sir Phasing and 20-Fold Ncs Averaging Authors: Kroemer, M. / Schulz, G.E. #1: Journal: J.Mol.Biol. / Year: 2000Title: Structures of L-Fuculose-1-Phosphate Aldolase Mutants Outlining Motions During Catalysis Authors: Joerger, A.C. / Mueller-Dieckmann, C. / Schulz, G.E. #2: Journal: J.Bacteriol. / Year: 1993 Title: Sequencing and Characterization of a Gene Cluster Encoding the Enzymes for L-Rhamnose Metabolism in Escherichia Coli Authors: Moralejo, P. / Egan, S.M. / Hidalgo, E. / Aguilar, J. | ||||||
| History |
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 1gt7.cif.gz | 1.1 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb1gt7.ent.gz | 920 KB | Display | PDB format |
| PDBx/mmJSON format | 1gt7.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 1gt7_validation.pdf.gz | 626.4 KB | Display | wwPDB validaton report |
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| Full document | 1gt7_full_validation.pdf.gz | 795 KB | Display | |
| Data in XML | 1gt7_validation.xml.gz | 252.9 KB | Display | |
| Data in CIF | 1gt7_validation.cif.gz | 323.3 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/gt/1gt7 ftp://data.pdbj.org/pub/pdb/validation_reports/gt/1gt7 | HTTPS FTP |
-Related structure data
| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| 2 | ![]()
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| 4 | ![]()
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| 5 | ![]()
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| Unit cell |
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| Noncrystallographic symmetry (NCS) | NCS oper:
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| Details | THE PROTEIN IS ACTIVE AS TETRAMER |
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Components
| #1: Protein | Mass: 30174.404 Da / Num. of mol.: 20 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() References: UniProt: P32169, rhamnulose-1-phosphate aldolase #2: Chemical | ChemComp-ZN / #3: Chemical | ChemComp-PGH / #4: Water | ChemComp-HOH / | |
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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: 3.5 Å3/Da / Density % sol: 65 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Crystal grow | Method: vapor diffusion, hanging drop / pH: 4.6 Details: HANGING DROP CONTAINED 5 MG/ML PROTEIN, 5 MM PGH, 0.9 M SODIUM FORMATE, 5 MM MERCAPTOETHANOL, 0.5 MM ZNCL2 AND 0.1 M SODIUM ACETATE (PH 4.6). RESERVOIR CONTAINED 1.8 M SODIUM FORMATE, 5 MM ...Details: HANGING DROP CONTAINED 5 MG/ML PROTEIN, 5 MM PGH, 0.9 M SODIUM FORMATE, 5 MM MERCAPTOETHANOL, 0.5 MM ZNCL2 AND 0.1 M SODIUM ACETATE (PH 4.6). RESERVOIR CONTAINED 1.8 M SODIUM FORMATE, 5 MM MERCAPTOETHANOL AND 0.1 M SODIUM ACETATE (PH 4.6) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Crystal grow | *PLUS Temperature: 293 K / Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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: EMBL/DESY, HAMBURG / Beamline: X11 / Wavelength: 0.907 |
| Detector | Type: MARRESEARCH / Detector: IMAGE PLATE |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.907 Å / Relative weight: 1 |
| Reflection | Resolution: 2.7→45 Å / Num. obs: 207606 / % possible obs: 90.7 % / Redundancy: 2.9 % / Rmerge(I) obs: 0.089 / Net I/σ(I): 7.8 |
| Reflection shell | Resolution: 2.7→2.77 Å / Redundancy: 2.6 % / Rmerge(I) obs: 0.367 / Mean I/σ(I) obs: 2.1 / % possible all: 89.8 |
| Reflection | *PLUS Lowest resolution: 45 Å / % possible obs: 91 % / Num. measured all: 611276 |
| Reflection shell | *PLUS Highest resolution: 2.7 Å / Lowest resolution: 2.8 Å / % possible obs: 90 % / Rmerge(I) obs: 0.37 |
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Processing
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| Refinement | Method to determine structure: SIR / Resolution: 2.7→44 Å / SU B: 11.6 / SU ML: 0.23 / Cross valid method: THROUGHOUT / ESU R Free: 0.31 Details: THE TWENTYFOLD NON-CRYSTALLOGRAPHIC SYMMETRY WAS ALWAYS TIGHTLY RESTRAINED ARRANGING THE TWENTY PROTEIN CHAINS IN ONE NCS GROUP, AND THE TWENTY ZN IONS, PGH MOLECULES AND WATER MOLECULE ...Details: THE TWENTYFOLD NON-CRYSTALLOGRAPHIC SYMMETRY WAS ALWAYS TIGHTLY RESTRAINED ARRANGING THE TWENTY PROTEIN CHAINS IN ONE NCS GROUP, AND THE TWENTY ZN IONS, PGH MOLECULES AND WATER MOLECULE CHAINS AS A SECOND NCS GROUP. THE GEOMETRY AND VDW DISTANCES OF SOME SURFACE RESIDUES WERE THEREFORE DISTURBED DUE TO CLASHES IN CRYSTAL CONTACTS THAT DO NOT FOLLOW THE OVERALL NON-CRYSTALLOGRAPHIC SYMMETRY.
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| Refinement step | Cycle: LAST / Resolution: 2.7→44 Å
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| Refinement | *PLUS Lowest resolution: 44 Å / Rfactor obs: 0.233 | ||||||||||||||||||||
| Solvent computation | *PLUS | ||||||||||||||||||||
| Displacement parameters | *PLUS |
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