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London: various, 1951. First editions. original wrappers. Fine. FIRST EDITIONS, OFFPRINT ISSUES (INCLUDING ONE SIGNED COPY AND ONE SIGNED PRESENTATION COPY), OF MILESTONE PAPERS ON THE DETERMINATION OF THE STRUCTURE AND FUNCTION OF PROTEINS, WORK FOR WHICH PAULING, KENDREW, AND PERUTZ ALL WON NOBEL PRIZES. Proteins - the "building blocks of life" - are themselves made up of building blocks known as amino acids. There are about twenty types of amino acid molecules commonly found in biological organisms, and each is chemically equipped to connect to two other amino acids through a linkage known as a peptide bond, enabling any number of amino acids to form a chain that constitutes the backbone of a protein molecule. (The specific linear sequence of amino acids that make up a particular protein's backbone is referred to as the protein's "primary structure.") Each of the 20-odd amino acids also has its own characteristic "side-chain." The interaction of these side chains with each other and with their… Read More