Acyl carrier protein (ACP) is a universal and highly conserved carrier of acyl intermediates during fatty acid synthesis. In yeast and mammals, ACP exists as a separate domain within a large multifunctional fatty acid synthase polyprotein (type I FAS), whereas it is a small monomeric protein in bacteria and plastids (type II FAS). Bacterial ACPs are also acyl donors for synthesis of a variety of products, including endotoxin and acylated homoserine lactones involved in quorum sensing; the distinct and essential nature of these processes in growth and pathogenesis make ACP-dependent enzymes attractive antimicrobial drug targets. Additionally, ACP homologues are key components in the production of secondary metabolites such as polyketides and nonribosomal peptides. Many ACPs exhibit characteristic structural features of natively unfolded proteins in vitro, with a dynamic and flexible conformation dominated by 3 parallel alpha helices that enclose the thioester-linked acyl group attached to a phosphopantetheine prosthetic group. ACP conformation may also be influenced by divalent cations and interaction with partner enzymes through its "recognition" helix II, properties that are key to its ability to alternately sequester acyl groups and deliver them to the active sites of ACP-dependent enzymes. This review highlights recent progress in defining how the structural features of ACP are related to its multiple carrier roles in fatty acid metabolism.
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Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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Site | Modification | Modifier | Source | Reference |
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Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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