the proteins programmed in the wheat-germ cell-free system by the mrna coding for the mopc-63 mouse myeloma l ( light ) chain were labelled with six radioactive amino acids : [ 35s ] methionine , [ 4,5-3h ] leucine , [ 3,4-3h ] proline , [ 3-3h ] serine , [ 4,5-3h ] isoleucine or [ 2,3-3h ] alanine .
C0002520
amino acids
C0001898
alanine