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.
Relevant section of the article: Cash's first wife, Vivian Liberto, offers a different conception of Ring of Fire in her book I Walked the Line. She contends that June Carter Cash was not a co-writer of the song: To this day, it confounds me to hear the elaborate details June told of writing that song for Johnny.