PPT-Chapter 4 Amino Acids Revised 2/

18 2014 Biochemistry I Dr Loren Williams Proteinogenic Amino Acids An amino acid contains an amine group a carboxylic acid group a sidechain or Rgroup all attached to the same chiral carbon atom the Cα. Subunits (building blocks) of peptides and proteins. Neurotransmitters. Metabolic intermediates. glutamate. γ. -. aminobutyric. acid. (GABA). Proteins are synthesized from 20 ‘standard’ . α. -amino acids. Their names have 3- and 1-letter abbreviations.. Subunits (building blocks) of peptides and proteins. Neurotransmitters. Metabolic intermediates. glutamate. γ. -. aminobutyric. acid. (GABA). Proteins are synthesized from 20 ‘standard’ . α. -amino acids. Their names have 3- and 1-letter abbreviations.. amine group. Draw. a carboxylic acid group. Join. them together to form a molecule with an amine and . a carboxylic acid . group. Amino Acids. Building blocks of proteins. Two functional groups: a carboxylic acid and a primary amine. Part 1 - Amino Acids. Structure and Chemistry. Building Blocks of Proteins. Essential Amino Acids. Basic Structure. Stereochemistry. Side Chain Chemistry. Properties. Ionization. Bonding. Amino Acids & Proteins. UNIT IV:. Nitrogen Metabolism. Part 2. Most of the nitrogen in the diet is consumed in the form of protein, typically amounting to 70–100 g/day in the American diet . Proteins are generally too large to be absorbed by the intestine. . ). Dr. . Sumbul. . Fatma. Learning outcomes. What are the amino acids?. General structure.. Classification of amino acids.. Optical properties.. Amino acid configuration.. Non-standard amino acids.. Amino Acids. Amino acid play A central role as building block of proteins.. Amino acids also converted to specialized products.. More than 300 different amino acids have been described in nature, only 20 are commonly found in mammalian proteins... Nursing. First semester, 2021. General structure. Proteins are polymers of . α-amino acids (or amino acids).. An amino acid consists of . a central carbon atom, called the . . carbon, linked to four groups. . are organic molecules that are the building block of . . proteins. .. -There is 20 . α. -amino acids commonly found in . proteins. . ( . they . have a carboxyl group and an amino group . . . DNA. Deoxyribonucleic Acid (DNA). The genetic material. Contains the “blueprint” for an organism. Instructions for an organism’s traits. Nucleic Acid-polymer (chain) of nucleotides (monomers). Very long molecule. Amino acids play central roles both as building blocks of proteins and as intermediates in metabolism. . The 20 amino acids that are found within proteins convey a vast array of chemical versatility. . Amino acids :. Amino acid play A central role as building block of proteins. . as intermediates in metabolism. , . converted to specialized products. . There are . 20 . natural amino acids that are found within proteins.. The general ways of amino acids degradation:. Transamination. Deamination. Decarboxylation. The major site of amino acid . degradation. . - the . liver. . . BIOSYNTHESIS . OF UREA. Urea biosynthesis occurs in four stages: . Proteins. Part I. Dr. Ravish Chauhan. Associate Professor. IGN College, Ladwa. . . Amino Acids. . These are the compounds which contain both amino and carboxylic group.