porin
group of transport proteins having channels which consist largely of α-helical or β-strand-type spanners
Membrane contact site
group of proteins that form junctions between organelles, facilitating lipid transfer from the ER to other organelles via non-vesicular transport
pore-forming toxin
class of proteins synthesized by one cell and secreted for insertion into the membrane of another cell where they form transmembrane pores
tunneling nanotube
group of membrane proteins facilitating the intercellular transport of various cellular components
ion channel complex
pore-forming membrane protein that allows the passage of ions through a membrane