the cooh-terminal sequence of the high affinity ca2+-binding protein , lys-asp-glu-leu , is the same as that proposed to be an endoplasmic reticulum retention signal ( munro , s. , and pelham , h. r. b . ( 1987 ) cell 48 , 899-907 ) .
C0014239
endoplasmic reticulum
C0007634
cell