1. The Enzymic Synthesis of Amino Acyl Derivatives of Ribonucleic Acid: IV. The Formation of the 3'-Hydroxyl Terminal Trinucleotide Sequence of Amino Acid-Acceptor Ribonucleic Acid Publication: American Society of Biological Chemists, June 1961 Subject(s): RNAEnzymesAdenosine Triphosphate Archival Collection: The Paul Berg Papers (Profiles in Science)