Tags: Protein.
The SecY protein is the main transmembrane subunit of the eubacterial Sec or Type II secretory pathway and a protein-secreting ATPase complex also known as a translocon. Secretion of some proteins carrying a signal-peptide across the inner membrane in Gram-negative bacteria occurs via the preprotein translocase pathway. Proteins are produced in the cytoplasm as precursors and require a chaperone subunit to direct them to the translocase component within the membrane.
