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- PDB-1t0l: Crystal structure of human cytosolic NADP(+)-dependent isocitrate... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1t0l | ||||||
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Title | Crystal structure of human cytosolic NADP(+)-dependent isocitrate dehydrogenase in complex with NADP, isocitrate, and calcium(2+) | ||||||
![]() | Isocitrate dehydrogenase [NADP] cytoplasmic | ||||||
![]() | OXIDOREDUCTASE / Rossmann fold / NADP / isocitrate / calcium / quaternary complex | ||||||
Function / homology | ![]() Abnormal conversion of 2-oxoglutarate to 2-hydroxyglutarate / NADPH regeneration / regulation of phospholipid catabolic process / regulation of phospholipid biosynthetic process / NFE2L2 regulating TCA cycle genes / isocitrate metabolic process / isocitrate dehydrogenase (NADP+) / isocitrate dehydrogenase (NADP+) activity / 2-oxoglutarate metabolic process / NADP metabolic process ...Abnormal conversion of 2-oxoglutarate to 2-hydroxyglutarate / NADPH regeneration / regulation of phospholipid catabolic process / regulation of phospholipid biosynthetic process / NFE2L2 regulating TCA cycle genes / isocitrate metabolic process / isocitrate dehydrogenase (NADP+) / isocitrate dehydrogenase (NADP+) activity / 2-oxoglutarate metabolic process / NADP metabolic process / glyoxylate cycle / response to steroid hormone / female gonad development / peroxisomal matrix / tricarboxylic acid cycle / glutathione metabolic process / Peroxisomal protein import / peroxisome / NAD binding / tertiary granule lumen / NADP binding / secretory granule lumen / ficolin-1-rich granule lumen / response to oxidative stress / cadherin binding / Neutrophil degranulation / magnesium ion binding / protein homodimerization activity / mitochondrion / extracellular exosome / extracellular region / identical protein binding / cytoplasm / cytosol Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Xu, X. / Zhao, J. / Peng, B. / Huang, Q. / Arnold, E. / Ding, J. | ||||||
![]() | ![]() Title: Structures of human cytosolic NADP-dependent isocitrate dehydrogenase reveal a novel self-regulatory mechanism of activity Authors: Xu, X. / Zhao, J. / Xu, Z. / Peng, B. / Huang, Q. / Arnold, E. / Ding, J. | ||||||
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 358.2 KB | Display | ![]() |
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PDB format | ![]() | 291.5 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.8 MB | Display | ![]() |
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Full document | ![]() | 1.9 MB | Display | |
Data in XML | ![]() | 74.7 KB | Display | |
Data in CIF | ![]() | 101.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1t09C ![]() 1lwdS C: citing same article ( 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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2 | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 46720.223 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() References: UniProt: O75874, isocitrate dehydrogenase (NADP+) #2: Chemical | ChemComp-CA / #3: Chemical | ChemComp-NAP / #4: Chemical | ChemComp-ICT / #5: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.65 Å3/Da / Density % sol: 53.7 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 5.9 Details: PEG 6000, MES, NADP, isocitrate, calcium chloride, pH 5.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() |
Detector | Type: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: Dec 30, 2003 / Details: confocal mirror |
Radiation | Monochromator: confocal mirror / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.41→12 Å / Num. all: 71234 / Num. obs: 71234 / % possible obs: 95.7 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3.1 % / Biso Wilson estimate: 26.1 Å2 / Rmerge(I) obs: 0.085 / Net I/σ(I): 7.8 |
Reflection shell | Resolution: 2.41→2.5 Å / Redundancy: 2.9 % / Rmerge(I) obs: 0.085 / Mean I/σ(I) obs: 2.9 / Num. unique all: 6671 / % possible all: 95.7 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1LWD Resolution: 2.41→12 Å / Rfactor Rfree error: 0.004 / Data cutoff high absF: 1576191.17 / 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: 76.9338 Å2 / ksol: 0.469785 e/Å3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 23.7 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.41→12 Å
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Refine LS restraints |
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 6
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Xplor file |
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