8ya2
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Structure of the SecA-SecY complex with the substrate FtsQ-LacY(+20C)
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Structural highlights
FunctionA4IJK8_GEOTN The central subunit of the protein translocation channel SecYEG. Consists of two halves formed by TMs 1-5 and 6-10. These two domains form a lateral gate at the front which open onto the bilayer between TMs 2 and 7, and are clamped together by SecE at the back. The channel is closed by both a pore ring composed of hydrophobic SecY resides and a short helix (helix 2A) on the extracellular side of the membrane which forms a plug. The plug probably moves laterally to allow the channel to open. The ring and the pore may move independently.[HAMAP-Rule:MF_01465][RuleBase:RU000537] Contents | ||||||||||||||||||||
This page was last modified 18:57, 26 February 2025.