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Yorodumi- PDB-8xl2: Human acetyl-CoA carboxylase 1 filament in complex with acetyl-Co... -
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Basic information
| Entry | Database: PDB / ID: 8xl2 | ||||||
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| Title | Human acetyl-CoA carboxylase 1 filament in complex with acetyl-CoA (ACC1-inact) | ||||||
Components | Acetyl-CoA carboxylase 1 | ||||||
Keywords | LIGASE / Biotin-dependent carboxylase | ||||||
| Function / homology | Function and homology informationacetyl-CoA carboxylase / Defective HLCS causes multiple carboxylase deficiency / Biotin transport and metabolism / fatty-acyl-CoA biosynthetic process / malonyl-CoA biosynthetic process / Fatty acyl-CoA biosynthesis / acetyl-CoA carboxylase activity / ChREBP activates metabolic gene expression / acetyl-CoA metabolic process / tissue homeostasis ...acetyl-CoA carboxylase / Defective HLCS causes multiple carboxylase deficiency / Biotin transport and metabolism / fatty-acyl-CoA biosynthetic process / malonyl-CoA biosynthetic process / Fatty acyl-CoA biosynthesis / acetyl-CoA carboxylase activity / ChREBP activates metabolic gene expression / acetyl-CoA metabolic process / tissue homeostasis / Carnitine shuttle / lipid homeostasis / Activation of gene expression by SREBF (SREBP) / fibrillar center / fatty acid biosynthetic process / cellular response to prostaglandin E stimulus / actin cytoskeleton / protein homotetramerization / mitochondrion / ATP binding / metal ion binding / identical protein binding / cytosol Similarity search - Function | ||||||
| Biological species | Homo sapiens (human) | ||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.73 Å | ||||||
Authors | Zhou, F.Y. / Zhang, Y.Y. / Zhou, Q. / Hu, Q. | ||||||
| Funding support | 1items
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Citation | Journal: Sci Adv / Year: 2024Title: Filament structures unveil the dynamic organization of human acetyl-CoA carboxylase. Authors: Fayang Zhou / Yuanyuan Zhang / Yuyao Zhu / Qiang Zhou / Yigong Shi / Qi Hu / ![]() Abstract: Human acetyl-coenzyme A (CoA) carboxylases (ACCs) catalyze the carboxylation of acetyl-CoA, which is the rate-limiting step in fatty acid synthesis. The molecular mechanism underlying the dynamic ...Human acetyl-coenzyme A (CoA) carboxylases (ACCs) catalyze the carboxylation of acetyl-CoA, which is the rate-limiting step in fatty acid synthesis. The molecular mechanism underlying the dynamic organization of ACCs is largely unknown. Here, we determined the cryo-electron microscopy (EM) structure of human ACC1 in its inactive state, which forms a unique filament structure and is in complex with acetyl-CoA. We also determined the cryo-EM structure of human ACC1 activated by dephosphorylation and citrate treatment, at a resolution of 2.55 Å. Notably, the covalently linked biotin binds to a site that is distant from the acetyl-CoA binding site when acetyl-CoA is absent, suggesting a potential coordination between biotin binding and acetyl-CoA binding. These findings provide insights into the structural dynamics and regulatory mechanisms of human ACCs. | ||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 8xl2.cif.gz | 939.8 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb8xl2.ent.gz | 724.7 KB | Display | PDB format |
| PDBx/mmJSON format | 8xl2.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 8xl2_validation.pdf.gz | 1.4 MB | Display | wwPDB validaton report |
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| Full document | 8xl2_full_validation.pdf.gz | 1.4 MB | Display | |
| Data in XML | 8xl2_validation.xml.gz | 134.2 KB | Display | |
| Data in CIF | 8xl2_validation.cif.gz | 199.7 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/xl/8xl2 ftp://data.pdbj.org/pub/pdb/validation_reports/xl/8xl2 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 38435MC ![]() 8xkzC ![]() 8xl0C ![]() 8xl1C M: map data used to model this data C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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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: 265869.375 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q13085, acetyl-CoA carboxylase#2: Chemical | Has ligand of interest | Y | Has protein modification | N | |
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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: Human acetyl-CoA carboxylase 1 filament in complex with acetyl-CoA (ACC1-inact) Type: COMPLEX / Entity ID: #1 / Source: NATURAL |
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| Source (natural) | Organism: Homo sapiens (human) |
| Buffer solution | pH: 7.4 |
| Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
| Vitrification | Cryogen name: ETHANE |
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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: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
| Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 2200 nm / Nominal defocus min: 1200 nm |
| Image recording | Electron dose: 50 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) |
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Processing
| CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION |
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| 3D reconstruction | Resolution: 2.73 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 155033 / Symmetry type: POINT |
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Homo sapiens (human)
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FIELD EMISSION GUN