Pepsin and other proteolytic enzymes are used in the laboratory analysis of various proteins. Pepsin and papain are often used to generate antibody fragments.
Sweet Love of Mine by Joy Williams Songfacts. 1  Joy Williams wrote this soulful number for her baby son, Miles. 2  More songs from Joy Williams. 3  More songs written for a son or daughter.
Dear Jessie by Madonna. Madonna wrote this with Patrick Leonard, who collaborated with her on several of her '80s hits. The song is a pop lullaby which displays Madonna's maternal side. It was written for Patrick Leonard's daughter, Jessie.