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lso

Gene
lso
Protein
Seeligeriolysin
Organism
Listeria seeligeri
Length
530 amino acids
Function
Sulfhydryl-activated toxin that causes cytolysis by forming pores in cholesterol containing host membranes. After binding to target membranes, the protein undergoes a major conformation change, leading to its insertion in the host membrane and formation of an oligomeric pore complex. Cholesterol may be required for binding to host membranes, membrane insertion and pore formation. Can be reversibly inactivated by oxidation.
Similarity
Belongs to the thiol-activated cytolysin family.
Mass
59.182 kDa
Sequence
MKIFGLVIMSLLFVSLPITQQPEARDVPAYDRSEVTISPAETPESPPATPKTPVEKKHAEEINKYIWGLNYDKNSILVYQGEAVTNVPPKKGYKDGSEYIVVEKKKKGINQNNADISVINAISSLTYPGALVKANRELVENQPNVLPVKRDSLTLSVDLPGMTKKDNKIFVKNPTKSNVNNAVNTLVERWNDKYSKAYPNINAKIDYSDEMAYSESQLIAKFGTAFKAVNNSLNVNFEAISDGKVQEEVISFKQIYYNINVNEPTSPSKFFGGSVTKEQLDALGVNAENPPAYISSVAYGRQVYVKLSSSSHSNKVKTAFEAAMSGKSVKGDVELTNIIKNSSFKAVIYGGSAKEEVEIIDGNLGELRDILKKGSTYDRENPGVPISYTTNFLKDNDLAVVKNNSEYIETTSKSYTDGKINIDHSGGYVAQFNISWDEVSYDENGNEIKVHKKWGENYKSKLAHFTSSIYLPGNARNINIYARECTGLFWEWWRTVIDDRNLPLVKNRNVSIWGTTLYPRHSNNVDNPIQ