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- PDB-2hlp: CRYSTAL STRUCTURE OF THE E267R MUTANT OF A HALOPHILIC MALATE DEHY... -
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Open data
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Basic information
Entry | Database: PDB / ID: 2hlp | ||||||
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Title | CRYSTAL STRUCTURE OF THE E267R MUTANT OF A HALOPHILIC MALATE DEHYDROGENASE IN THE APO FORM | ||||||
![]() | MALATE DEHYDROGENASE | ||||||
![]() | OXIDOREDUCTASE / HALOPHILIC / ION-BINDING / SALT BRIDGES / MALATE DEHYDROGENASE | ||||||
Function / homology | ![]() malate dehydrogenase / L-malate dehydrogenase (NAD+) activity / lactate metabolic process / L-lactate dehydrogenase activity / pyruvate metabolic process / tricarboxylic acid cycle / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Richard, S.B. / Madern, D. / Garcin, E. / Zaccai, G. | ||||||
![]() | ![]() Title: Halophilic adaptation: novel solvent protein interactions observed in the 2.9 and 2.6 A resolution structures of the wild type and a mutant of malate dehydrogenase from Haloarcula marismortui. Authors: Richard, S.B. / Madern, D. / Garcin, E. / Zaccai, G. #1: ![]() Title: Protocol 21: The MPD-NaCl-H2O System for the Crystallization of Halophilic Proteins Authors: Richard, S.B. / Bonnete, F. / Dym, O. / Zaccai, G. #2: ![]() Title: Structural Features Stabilizing Halophilic Malate Dehydrogenase from an Archaebacterium Authors: Dym, O. / Mevarech, M. / Sussman, J.L. #3: ![]() Title: A Single Amino Acid Mutation Enhances the Halophilic Behaviour of Malate Dehydrogenase from Haloarcula marismortui Authors: Madern, D. / Pfister, C. / Zaccai, G. #4: ![]() Title: Cloning, Sequencing, and Expression in Escherichia coli of the Gene Coding for Malate Dehydrogenase of the Extremely Halophilic Archaebacterium Haloarcula marismortui Authors: Cendrin, F. / Chroboczek, J. / Zaccai, G. / Eisenberg, H. / Mevarech, M. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 130.6 KB | Display | ![]() |
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PDB format | ![]() | 101.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 1d3aC ![]() 1hlpS 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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1 | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 32734.613 Da / Num. of mol.: 2 / Mutation: E267R Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Chemical | #3: Chemical | ChemComp-NA / | #4: Water | ChemComp-HOH / | Compound details | THREE KINDS OF COMPLEX SALT BRIDGES MAY BE DESCRIBED INCLUDING: CL, LYS A 205, ASP D 211, ARG D ...THREE KINDS OF COMPLEX SALT BRIDGES MAY BE DESCRIBED INCLUDING: CL, LYS A 205, ASP D 211, ARG D 207, GLU A 188, GLU D 188, ARG A 207, ASP A 211, LYS D 203, CL, AND ITS SYMMETRY RELATED; ASP A 209, ARG D 292, GLU D 299 AND ITS 3 OTHERS SYMMETRY RELATED; LYS A 243, GLU A 247, NA+, GLU B 247, LYS B 243, AND ITS SYMMETRY RELATED. | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.49 Å3/Da / Density % sol: 65 % | ||||||||||||||||||||||||||||||||||||
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Crystal grow | pH: 7.6 / Details: 1.7M NACL, 20MM TRIS, PH 7.6, 57% MPD | ||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 6 ℃ / Method: vapor diffusion, sitting drop | ||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 279 K |
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Diffraction source | Source: ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.975 Å / Relative weight: 1 |
Reflection | Resolution: 2.59→28 Å / Num. obs: 26445 / % possible obs: 88.7 % / Redundancy: 3.8 % / Biso Wilson estimate: 32.7 Å2 / Rmerge(I) obs: 0.085 / Net I/σ(I): 7.3 |
Reflection shell | Resolution: 2.59→2.75 Å / Redundancy: 2.5 % / Rmerge(I) obs: 0.271 / Mean I/σ(I) obs: 2.2 / % possible all: 69.7 |
Reflection | *PLUS % possible obs: 88.5 % / Num. measured all: 159628 / Rmerge(I) obs: 0.086 |
Reflection shell | *PLUS % possible obs: 71.3 % |
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Processing
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Refinement | Method to determine structure: OTHER Starting model: PDB ENTRY 1HLP Resolution: 2.59→28 Å / Rfactor Rfree error: 0.007 / Cross valid method: THROUGHOUT / σ(F): 0
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 58.87 Å2 / ksol: 0.333 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 41.6 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.59→28 Å
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Refine LS restraints |
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Refine LS restraints NCS | NCS model details: RESTRAINTS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LS refinement shell | Resolution: 2.59→2.75 Å / Rfactor Rfree error: 0.029 / Total num. of bins used: 6
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Xplor file |
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Software | *PLUS Name: CNS / Version: 0.4 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Rfactor Rfree: 0.232 / Rfactor Rwork: 0.188 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS Biso mean: 42.4 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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