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- PDB-8ct4: Cryo-EM structure of Mtb Lpd bound to inhibitor complex with 2-((... -
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Open data
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Basic information
Entry | Database: PDB / ID: 8ct4 | ||||||||||||
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Title | Cryo-EM structure of Mtb Lpd bound to inhibitor complex with 2-((2-cyano-N,5-dimethyl-1H-indole)-7-sulfonamido)-N-(4-(oxetan-3-yl)-3,4-dihydro-2H-benzo[b] [1,4]oxazin-7-yl)acetamide | ||||||||||||
![]() | Dihydrolipoyl dehydrogenase | ||||||||||||
![]() | OXIDOREDUCTASE/INHIBITOR / flavoprotein / glycolysis / redox-active center / OXIDOREDUCTASE-INHIBITOR complex | ||||||||||||
Function / homology | ![]() Cell redox homeostasis / dihydrolipoyl dehydrogenase / dihydrolipoyl dehydrogenase activity / NADH binding / disulfide oxidoreductase activity / pyruvate dehydrogenase complex / zymogen binding / oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor / antioxidant activity / Prevention of phagosomal-lysosomal fusion ...Cell redox homeostasis / dihydrolipoyl dehydrogenase / dihydrolipoyl dehydrogenase activity / NADH binding / disulfide oxidoreductase activity / pyruvate dehydrogenase complex / zymogen binding / oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor / antioxidant activity / Prevention of phagosomal-lysosomal fusion / cell redox homeostasis / flavin adenine dinucleotide binding / extracellular region / plasma membrane / cytosol Similarity search - Function | ||||||||||||
Biological species | ![]() ![]() | ||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.17 Å | ||||||||||||
![]() | Kochanczyk, T. / Arango, N. / Lima, C.D. | ||||||||||||
Funding support | ![]()
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![]() | ![]() Title: Cryo-EM structure of Mtb Lpd bound to the inhibitor 2-((2-cyano-N,5-dimethyl-1H-indole)-7-sulfonamido)-N-(4-(oxetan-3-yl)-3,4-dihydro-2H-benzo[b] [1,4]oxazin-7-yl)acetamide at 2.17 Angstrom resolution Authors: Kochanczyk, T. / Arango, N. / Michino, M. / Sun, S. / Ginn, J. / Bryk, R. / Nathan, C. / Lima, C.D. | ||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 364 KB | Display | ![]() |
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PDB format | ![]() | 300.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 26981MC M: map data used to model this data C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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1 |
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Components
#1: Protein | Mass: 49437.035 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() #2: Chemical | #3: Chemical | #4: Water | ChemComp-HOH / | Has ligand of interest | Y | |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
Component | Name: Dihydrolipoyl dehydrogenase in complex with 2-((2-cyano-N,5-dimethyl-1H-indole)-7-sulfonamido)-N-(4-(oxetan-3-yl)-3,4-dihydro-2H-benzo[b] [1,4]oxazin-7-yl)acetamide Type: COMPLEX Details: 2-((2-cyano-N,5-dimethyl-1H-indole)-7-sulfonamido)-N-(4-(oxetan-3-yl)-3,4-dihydro-2H-benzo[b] [1,4]oxazin-7-yl)acetamide provided by the Tri-Institutional Therapeutics Discovery Institute ...Details: 2-((2-cyano-N,5-dimethyl-1H-indole)-7-sulfonamido)-N-(4-(oxetan-3-yl)-3,4-dihydro-2H-benzo[b] [1,4]oxazin-7-yl)acetamide provided by the Tri-Institutional Therapeutics Discovery Institute (tritdi.org) contact: John Ginn (jginn@tritdi.org) Entity ID: #1 / Source: RECOMBINANT |
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Molecular weight | Value: 0.099 MDa / Experimental value: NO |
Source (natural) | Organism: ![]() ![]() |
Source (recombinant) | Organism: ![]() ![]() |
Buffer solution | pH: 8 / Details: 20 mM Tris-HCl, pH 8.0, 87.5 mM NaCl, 0.05% IGEPAL |
Specimen | Conc.: 3 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Specimen support | Grid material: GOLD / Grid mesh size: 300 divisions/in. / Grid type: UltrAuFoil R1.2/1.3 |
Vitrification | Instrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE Details: Temperature 22 C, humidity 100%, Wait time 8s, Blot time: 3.5s |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal magnification: 22500 X / Nominal defocus max: 3000 nm / Nominal defocus min: 1000 nm / Cs: 2.7 mm |
Specimen holder | Cryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER |
Image recording | Average exposure time: 4 sec. / Electron dose: 70.66 e/Å2 / Detector mode: SUPER-RESOLUTION / Film or detector model: GATAN K3 (6k x 4k) / Num. of grids imaged: 1 / Num. of real images: 10748 |
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Processing
EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||
Symmetry | Point symmetry: C2 (2 fold cyclic) | ||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 2.17 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 1177958 / Symmetry type: POINT | ||||||||||||||||||||||||||||||||
Atomic model building | Protocol: FLEXIBLE FIT / Space: REAL / Target criteria: Correlation coefficient | ||||||||||||||||||||||||||||||||
Atomic model building | PDB-ID: 7KMY Pdb chain-ID: AB / Accession code: 7KMY / Source name: PDB / Type: experimental model |