a pe molecule that ends with lys-asp-glu-leu , which is a well defined endoplasmic reticulum retention sequence [ munro , s. and pelham , r. b . ( 1987 ) cell 48 , 899-907 ] , is fully cytotoxic , suggesting that a common factor may be involved in intoxication of cells by pe and retention of proteins in the lumen of the endoplasmic reticulum .
C0014239
endoplasmic reticulum
C0007634
cells