{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["111(21)"],"submitter":["Sysoeva TA"],"funding":["Howard Hughes Medical Institute"],"pubmed_abstract":["Protein secretion typically involves translocation of unfolded polypeptides or transport of monomeric folded proteins. Here we provide, to our knowledge, the first experimental evidence for secretion of an intact multimeric complex requiring a signal formed by both members of the complex. Using systematic mutagenesis of a substrate involved in early secretory antigen 6 kDa (ESX) secretion in Bacillus subtilis, we demonstrate that export of the substrate requires two independent motifs. Using mixed dimers, we show that these motifs must form a composite secretion signal in which one motif is contributed by each subunit of the dimer. Finally, through targeted crosslinking we show that the dimer formed in the cell is likely secreted as a single unit. We discuss implications of this substrate "],"journal":["Proceedings of the National Academy of Sciences of the United States of America"],"pagination":["7653-8"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC4040557"],"repository":["biostudies-literature"],"pubmed_title":["Dimer recognition and secretion by the ESX secretion system in Bacillus subtilis."],"pmcid":["PMC4040557"],"pubmed_authors":["Burton BM","Zepeda-Rivera MA","Sysoeva TA","Huppert LA"],"additional_accession":[]},"is_claimable":false,"name":"Dimer recognition and secretion by the ESX secretion system in Bacillus subtilis.","description":"Protein secretion typically involves translocation of unfolded polypeptides or transport of monomeric folded proteins. Here we provide, to our knowledge, the first experimental evidence for secretion of an intact multimeric complex requiring a signal formed by both members of the complex. Using systematic mutagenesis of a substrate involved in early secretory antigen 6 kDa (ESX) secretion in Bacillus subtilis, we demonstrate that export of the substrate requires two independent motifs. Using mixed dimers, we show that these motifs must form a composite secretion signal in which one motif is contributed by each subunit of the dimer. Finally, through targeted crosslinking we show that the dimer formed in the cell is likely secreted as a single unit. We discuss implications of this substrate ","dates":{"release":"2014-01-01T00:00:00Z","publication":"2014 May","modification":"2026-05-07T03:16:57.177Z","creation":"2019-03-27T01:29:14Z"},"accession":"S-EPMC4040557","cross_references":{"pubmed":["24828531"],"doi":["10.1073/pnas.1322200111"]}}