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Open data
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Basic information
| Entry | Database: PDB / ID: 1a0c | ||||||
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| Title | XYLOSE ISOMERASE FROM THERMOANAEROBACTERIUM THERMOSULFURIGENES | ||||||
Components | XYLOSE ISOMERASE | ||||||
Keywords | KETOLISOMERASE / XYLOSE METABOLISM / GLUCOSE-FRUCTOSE INTERCONVERSION / HYDRIDE TRANSFER / ALPHA-BETA BARREL / METALLOENZYME / THERMOPHILE | ||||||
| Function / homology | Function and homology informationxylose isomerase / xylose isomerase activity / D-xylose metabolic process / magnesium ion binding / cytoplasm Similarity search - Function | ||||||
| Biological species | Thermoanaerobacterium thermosulfurigenes (bacteria) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.5 Å | ||||||
Authors | Gallay, O. / Chopra, R. / Conti, E. / Brick, P. / Blow, D. | ||||||
Citation | Journal: To be PublishedTitle: Crystal Structures of Class II Xylose Isomerases from Two Thermophiles and a Hyperthermophile Authors: Gallay, O. / Chopra, R. / Conti, E. / Brick, P. / Jackson, R. / Hartley, B. / Vieille, C. / Zeikus, J.G. / Blow, D. #1: Journal: J.Mol.Biol. / Year: 1994Title: Crystallization and Preliminary X-Ray Diffraction Studies of Xylose Isomerase from Thermoanaerobacterium Thermosulfurigenes Strain 4B Authors: Lloyd, L.F. / Gallay, O.S. / Akins, J. / Zeikus, J.G. #2: Journal: Biochem.J. / Year: 1991Title: Purification and Characterization of Thermostable Glucose Isomerase from Clostridium Thermosulfurogenes and Thermoanaerobacter Strain B6A Authors: Lee, C.Y. / Zeikus, J.G. #3: Journal: J.Biol.Chem. / Year: 1990Title: Catalytic Mechanism of Xylose (Glucose) Isomerase from Clostridium Thermosulfurogenes. Characterization of the Structural Gene and Function of Active Site Histidine Authors: Lee, C.Y. / Bagdasarian, M. / Meng, M.H. / Zeikus, J.G. | ||||||
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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 | 1a0c.cif.gz | 369.1 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1a0c.ent.gz | 300.3 KB | Display | PDB format |
| PDBx/mmJSON format | 1a0c.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 1a0c_validation.pdf.gz | 449.3 KB | Display | wwPDB validaton report |
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| Full document | 1a0c_full_validation.pdf.gz | 468.3 KB | Display | |
| Data in XML | 1a0c_validation.xml.gz | 70.7 KB | Display | |
| Data in CIF | 1a0c_validation.cif.gz | 102.3 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/a0/1a0c ftp://data.pdbj.org/pub/pdb/validation_reports/a0/1a0c | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 1a0dC ![]() 1a0eC ![]() 6xiaS 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 oper:
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Components
| #1: Protein | Mass: 50409.691 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Thermoanaerobacterium thermosulfurigenes (bacteria)Strain: 4B / Cellular location: CYTOPLASM / Gene: XYLA / Plasmid: PCMG11 / Cellular location (production host): CYTOPLASM / Gene (production host): XYLA / Production host: ![]() #2: Chemical | ChemComp-CO / #3: 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: 2.6 Å3/Da / Density % sol: 48 % Description: APPROXIMATE CELL DIMENSIONS A=85.9, B=154.0, C 159.0 WERE USED FOR SCALING AND MERGING; THE FINAL CELL DIMENSIONS WERE OBTAINED FROM POST-REFINEMENT. |
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| Crystal grow | pH: 6 Details: PROTEIN IN 50 MM MOPS, 10 MM MGSO4, 1 MM COCL2, PH 7.0, WAS CRYSTALLIZED FROM 12% JEFFAMINE ED 4000, 50 MM MES, PH 6.0 (FOR DETAILS SEE REFERENCE 1). PH range: 6.0-7.0 |
-Data collection
| Diffraction | Mean temperature: 278 K |
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| Diffraction source | Source: SYNCHROTRON / Site: SRS / Beamline: PX9.5 / Wavelength: 1 |
| Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Feb 1, 1993 / Details: MIRRORS |
| Radiation | Monochromator: SI(111) / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
| Reflection | Resolution: 2.5→10 Å / Num. obs: 61292 / % possible obs: 83.6 % / Redundancy: 2.1 % / Biso Wilson estimate: 30.6 Å2 / Rmerge(I) obs: 0.084 / Net I/σ(I): 7.6 |
| Reflection shell | Resolution: 2.5→2.63 Å / Redundancy: 2 % / Rmerge(I) obs: 0.185 / Mean I/σ(I) obs: 3.8 / % possible all: 73.6 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: PDB ENTRY 6XIA Resolution: 2.5→10 Å / Rfactor Rfree error: 0.003 / Cross valid method: A POSTERIORI Details: SOME DISORDERED SIDE CHAINS WERE NOT INCLUDED IN REFINEMENT. SOLVENT MOLECULES HOH 776, HOH 777, HOH 778 AND HOH 779 WERE NOT INCLUDED IN REFINEMENT SINCE THEY LIE ON OR NEAR TO NON- ...Details: SOME DISORDERED SIDE CHAINS WERE NOT INCLUDED IN REFINEMENT. SOLVENT MOLECULES HOH 776, HOH 777, HOH 778 AND HOH 779 WERE NOT INCLUDED IN REFINEMENT SINCE THEY LIE ON OR NEAR TO NON-CRYSTALLOGRAPHIC SYMMETRY AXES. SOLVENT MOLECULES WITH B > 60 A**2 WERE DELETED AFTER REFINEMENT.
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| Displacement parameters | Biso mean: 20.3 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: LAST / Resolution: 2.5→10 Å
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| Refine LS restraints |
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| LS refinement shell | Resolution: 2.5→2.61 Å / Rfactor Rfree error: 0.013 / Total num. of bins used: 8
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Thermoanaerobacterium thermosulfurigenes (bacteria)
X-RAY DIFFRACTION
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