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Yorodumi- PDB-1wzi: Structural basis for alteration of cofactor specificity of Malate... -
+Open data
-Basic information
Entry | Database: PDB / ID: 1wzi | ||||||
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Title | Structural basis for alteration of cofactor specificity of Malate dehydrogenase from Thermus flavus | ||||||
Components | Malate dehydrogenase | ||||||
Keywords | OXIDOREDUCTASE / Seven amino acid residues mutant / protein-NADPH complex | ||||||
Function / homology | Function and homology information malate dehydrogenase / L-malate dehydrogenase (NAD+) activity / malate metabolic process / oxaloacetate metabolic process / NADH metabolic process / tricarboxylic acid cycle Similarity search - Function | ||||||
Biological species | Thermus thermophilus (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2 Å | ||||||
Authors | Tomita, T. / Fushinobu, S. / Kuzuyama, T. / Nishiyama, M. | ||||||
Citation | Journal: to be published Title: Structural basis for alteration of cofactor specificity of malate dehydrogenase from Thermus flavus Authors: Tomita, T. / Fushinobu, S. / Kuzuyama, T. / Nishiyama, M. #1: Journal: Biochemistry / Year: 1993 Title: Determinants of protein thermostability observed in the 1.9 Angstroms crystal structure of malate dehydrogenase from the thermophilic bacterium Thermus flavus Authors: Kelly, C.A. / Nishiyama, M. / Ohnishi, Y. / Beppu, T. / Birktoft, J.J. #2: Journal: J.Mol.Biol. / Year: 1991 Title: Preliminary X-ray diffraction analysis of a crystallizable mutant of malate dehydrogenase from the thermophile Thermus flavus Authors: Kelly, C.A. / Sarfaty, S. / Nishiyama, M. / Beppu, T. / Birktoft, J.J. #3: Journal: Biochemistry / Year: 1989 Title: Refined crystal structure of cytoplasmic malate dehydrogenase at 2.5-A resolution Authors: Birktoft, J.J. / Rhodes, G. / Banaszak, L.J. #4: Journal: J.Biol.Chem. / Year: 1986 Title: Nucleotide sequence of the malate dehydrogenase gene of Thermus flavus and its mutation directing an increase in enzyme activity Authors: Nishiyama, M. / Matsubara, N. / Yamamoto, K. / Iijima, S. / Uozumi, T. / Beppu, T. #5: Journal: J.Biol.Chem. / Year: 1983 Title: The presence of a histidine-aspartic acid pair in the active site of 2-hydroxyacid dehydrogenases. X-ray refinement of cytoplasmic malate dehydrogenase Authors: Birktoft, J.J. / Banaszak, L.J. #6: Journal: Enzyme / Year: 1975 Title: Malate Dehydrogenases Authors: Banaszak, L.J. / Bradshaw, R.A. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1wzi.cif.gz | 152.3 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1wzi.ent.gz | 117.7 KB | Display | PDB format |
PDBx/mmJSON format | 1wzi.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 1wzi_validation.pdf.gz | 1 MB | Display | wwPDB validaton report |
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Full document | 1wzi_full_validation.pdf.gz | 1 MB | Display | |
Data in XML | 1wzi_validation.xml.gz | 33.6 KB | Display | |
Data in CIF | 1wzi_validation.cif.gz | 49.4 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/wz/1wzi ftp://data.pdbj.org/pub/pdb/validation_reports/wz/1wzi | HTTPS FTP |
-Related structure data
Related structure data | 1wzeC 1bmdS S: Starting model for refinement 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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Unit cell |
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Details | The second part of the biological assembly is generated by the two fold axis: -x+1, y, -z. |
-Components
#1: Protein | Mass: 35460.637 Da / Num. of mol.: 2 / Mutation: E41G, I42S, P43E, Q44R, A45S, M46F, K47Q Source method: isolated from a genetically manipulated source Details: Malate dehydrogenase mutant EX7 / Source: (gene. exp.) Thermus thermophilus (bacteria) / Strain: AT-62 / Gene: mdh / Plasmid: pUC19 / Production host: Escherichia coli (E. coli) / Strain (production host): JM109 / References: UniProt: P10584, malate dehydrogenase #2: Chemical | #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: 2.5 Å3/Da / Density % sol: 50.33 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 8.5 Details: PEG 4000, dithiothreitol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 95 K |
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Diffraction source | Source: SYNCHROTRON / Site: Photon Factory / Beamline: BL-6A / Wavelength: 1 Å |
Detector | Type: ADSC QUANTUM 4 / Detector: CCD / Date: Oct 24, 2003 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 2→28.89 Å / Num. all: 48624 / Num. obs: 48624 / % possible obs: 99.7 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2 / Biso Wilson estimate: 8.6 Å2 / Rmerge(I) obs: 0.05 / Rsym value: 0.05 |
Reflection shell | Resolution: 2→2.13 Å / % possible all: 100 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 1BMD Resolution: 2→28.89 Å / Rfactor Rfree error: 0.005 / Data cutoff high absF: 2286096.97 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 45.7329 Å2 / ksol: 0.350692 e/Å3 | ||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 18.7 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2→28.89 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2→2.13 Å / Rfactor Rfree error: 0.012 / Total num. of bins used: 6
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Xplor file |
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