L7 - Midterm 1 Tuesday February 15 Chapters 1-4 1 2 Nomenclature Shown and synthesized from N-terminus to C-terminus 3 Amino acids are chiral

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1 Midterm 1 Tuesday, February 15 Chapters 1-4
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2
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3 Nomenclature Alanyltyrosylaspartylglycine Shown and synthesized from N-terminus to C-terminus
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4 Carbon atom with 4 different groups Optically active Enantiomers or mirror images Amino acids are chiral regular proteins contain L-amino acids
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5 20 common L -amino acids are incorporated into proteins • We fnd a larger variety in mature proteins • Amino acids can be modifed aFter incorporation into proteins • These modifcations can be reversible • Amino acids perForm additional Functions
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6 D -amino acids • Bacterial cell wall • Antibiotics (peptides) 1. Small proteins/peptides 2. Not made on ribosomes
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7 Amino acids and modifed amino acids act as hormones and neurotransmitters • Glycine • Glutamic acid γ -aminobutyric acid • Serotonin • Dopamine
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8 Serotonin Antidepressant drugs increase serotonin levels
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9 Dopamine
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This note was uploaded on 05/07/2011 for the course CHEM 365 taught by Professor Huxford during the Spring '08 term at San Diego State.

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L7 - Midterm 1 Tuesday February 15 Chapters 1-4 1 2 Nomenclature Shown and synthesized from N-terminus to C-terminus 3 Amino acids are chiral

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