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- PDB-1llq: Crystal Structure of Malic Enzyme from Ascaris suum Complexed wit... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1llq | ||||||
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Title | Crystal Structure of Malic Enzyme from Ascaris suum Complexed with Nicotinamide Adenine Dinucleotide | ||||||
![]() | NAD-dependent malic enzyme | ||||||
![]() | OXIDOREDUCTASE / Rossmann fold | ||||||
Function / homology | ![]() malate dehydrogenase (oxaloacetate-decarboxylating) / malate dehydrogenase (decarboxylating) (NAD+) activity / malate dehydrogenase (decarboxylating) (NADP+) activity / oxaloacetate decarboxylase activity / malate metabolic process / pyruvate metabolic process / NAD binding / mitochondrial matrix / metal ion binding Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Coleman, D.E. / Jagannatha, G.S. / Goldsmith, E.J. / Cook, P.F. / Harris, B.G. | ||||||
![]() | ![]() Title: Crystal structure of the malic enzyme from Ascaris suum complexed with nicotinamide adenine dinucleotide at 2.3 A resolution. Authors: Coleman, D.E. / Rao, G.S. / Goldsmith, E.J. / Cook, P.F. / Harris, B.G. | ||||||
History |
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Remark 999 | SEQUENCE The numbering system used for the coordinates corresponds to the numbering system used in ...SEQUENCE The numbering system used for the coordinates corresponds to the numbering system used in published mutational studies, where residue 1 (LYS) is the first residue present in the fully processed protein chain. A 12 residue mitochondrial transport sequence is present in the unprocessed protein, but is absent from processed protein and the protein present in the crystals. |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 244.1 KB | Display | ![]() |
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PDB format | ![]() | 197 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 988 KB | Display | ![]() |
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Full document | ![]() | 1020.9 KB | Display | |
Data in XML | ![]() | 45.7 KB | Display | |
Data in CIF | ![]() | 61.6 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1qr6S S: Starting model for refinement |
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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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Details | The Biological assembly is a tetramer generated from the dimer in the asymmetric unit by appling the following rotation and translation operators to the A and B subunits: -0.500000 0.866025 0.0 0.000 0.866025 0.500000 0.0 0.000 0.000000 0.000000 -1.0 149.230 |
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Components
#1: Protein | Mass: 68556.406 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: P27443, malate dehydrogenase (oxaloacetate-decarboxylating) #2: Chemical | #3: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.68 Å3/Da / Density % sol: 54.09 % |
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7.5 Details: PEG 4000, tartronate, magnesium sulfate, TRIS, NAD, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K |
Crystal grow | *PLUS Details: Clancy, L.L., (1992) J. Mol. Biol., 226, 565. |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 4 / Detector: CCD / Date: Feb 5, 2000 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.947 Å / Relative weight: 1 |
Reflection | Resolution: 2.3→25 Å / Num. all: 65007 / Num. obs: 65007 / % possible obs: 98.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 4.7 % / Biso Wilson estimate: 38 Å2 / Rmerge(I) obs: 0.047 / Net I/σ(I): 30 |
Reflection shell | Resolution: 2.3→2.37 Å / Redundancy: 4.5 % / Rmerge(I) obs: 0.224 / Mean I/σ(I) obs: 6.3 / Num. unique all: 5384 / % possible all: 99.3 |
Reflection | *PLUS Num. obs: 62146 / % possible obs: 94.6 % / Num. measured all: 308683 / Rmerge(I) obs: 0.047 |
Reflection shell | *PLUS Rmerge(I) obs: 0.224 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 1QR6 Resolution: 2.3→24.51 Å / Isotropic thermal model: isotropic / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber Details: Bulk solvent correction used throughout refinement.
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Displacement parameters | Biso mean: 40.7 Å2 | |||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.3→24.51 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.3→2.37 Å
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Refinement | *PLUS Lowest resolution: 25 Å / % reflection Rfree: 5 % / Rfactor obs: 0.247 / Rfactor Rfree: 0.28 / Rfactor Rwork: 0.247 | |||||||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||||||
Displacement parameters | *PLUS | |||||||||||||||||||||||||
LS refinement shell | *PLUS Highest resolution: 2.3 Å / Rfactor Rfree: 0.339 / Rfactor Rwork: 0.31 / Rfactor obs: 0.31 |