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The Sec protein-translocation pathway

2001; Elsevier BV; Volume: 9; Issue: 10 Linguagem: Inglês

10.1016/s0966-842x(01)02174-6

1878-4380

Hiroyuki Mori, Koreaki Ito,

RNA modifications and cancer

The Sec machinery (or translocase) provides a major pathway of protein translocation from the cytosol across the cytoplasmic membrane in bacteria. The SecA ATPase interacts dynamically with the SecYEG integral membrane components to drive the transmembrane movement of newly synthesized preproteins. This pathway is also used for integration of some membrane proteins and the Sec translocase interacts with other cellular components to achieve its cellular roles. The detailed protein interactions involved in these processes are being actively studied and a structural understanding of the protein-conducting channel has started to emerge.