SEARCH Articles Figures Tables A-Amino acids, in proteins Amino acid residues found In proteins Amino acid sequences in proteins Amino acids in peptides and proteins Amino acids in protein synthesis Amino acids in proteins Amino acids not in proteins H-bonds in Protein-Nucleic Acid Complexes Hydrogen Bonding in Proteins and Nucleic Acids Hydrogen bond in proteins and nucleic acids L-Amino acids in proteins Modified amino acids in proteins Naturally-occurring amino acid derivatives in proteins Nucleic Acids in Protein Synthesis Oxidation of Amino Acids in Proteins and Peptides Secreted protein acidic and rich in cysteine Secreted protein acidic and rich in cysteine SPARC) Site-Directed Mutagenesis Substituting Individual Amino Acids in Proteins The Amino Acids in Proteins The role of amino acids in protein biosynthesis