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.
Johnny Cash's Love Letter To June Carter Cash Is One For The Ages. Johnny Cash was one hell of a songwriter -- that's widely known. But the Man in Black was no slouch when it came to writing love letters either. A 1994 note he penned for his wife and musical partner June Carter Cash on her 65th birthday was recently named the greatest love letter of all time in a poll conducted by the British life insurance company Beagle Street.