LIFE 120 Lecture Notes - Lecture 5: Peptide, Protein Structure, National Republican Greek League
Document Summary
Proteins include a diversity of structures, resulting in a wide range of functions. Proteins account for more than 50% of the dry mass of most cells. Proteins are made of 20 amino acids; their order determines the identity and specificity of a protein i. e. for a peptide containing a row of 127 amino acids, there are 20. The order is determined by the genetic info something. Polypeptides are unbranched polymers built from the same set of 20 amino acids. A protein is a biologically functional molecule that may consist of one or more polypeptides. Amino acids are organic molecules with carboxyl and amino groups. Amino acids differ in their properties due to differing side chains, called. A polypeptide is a polymer of amino acids. Polypeptides range in length from a few to more than 1000 monomers. Each polypeptide has a unique linear sequence of amino acids, with a carboxyl end (c-terminus) and an amino end (n-terminus)
