Pepsin and other proteolytic enzymes are used in the laboratory analysis of various proteins. Pepsin and papain are often used to generate antibody fragments. Papain is used to cleave antibodies into Fab fragments, which contain a single antigen-binding domain.
Best known as the theme song for the Harlem Globetrotters, Sweet Georgia Brown is a chart-topping pop song written in 1925 by Ben Bernie and Maceo Pinkard with lyrics by Kenneth Casey.
Foster wrote over 200 songs; among his best-known are  Oh! Susanna ,  Camptown Races ,  Old Folks at Home ,  My Old Kentucky Home ,  Jeanie with the Light Brown Hair ,  Old Black Joe , and  Beautiful Dreamer . Many of his compositions remain popular more than 150 years after he wrote them.