Biomolecules Lecture_2_Proteins

Biomolecules Lecture_2_Proteins - Biomolecules and...

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Proteins 2 - Structure Biomolecules and Metabolism
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Proteins - Classification and function - Amino acids - Structural organization - Case studies (e.g. myoglobin/hemoglobin) - Protein purification Enzymes - Classification and function - Mechanism of action - Kinetics - Assay - Regulation Course Outline
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Protein Structure 1.Each protein has a unique shape (3D-conformation) that determines its function 2.In the complex conformation of a protein four superimposed levels of architecture have been identified
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Protein Structure 1. Primary 2. Secondary 3. Tertiary 4. Quartenary
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Primary Structure Linear sequence of amino acids composing the polypeptide chain
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1 MGLSDGEWQQ VLNVWGKVEA DIAGHGQEVL IRLFTGHPET LEKFDKFKHL KTEAEMKASE 62 DLKKHGTVVL TALGGILKKK GHHEAELKPL AQSHATKHKI PIKYLEFISD AIIHVLHSKH 121 PGDFGADAQG AMTKALELFR NDIAAKYKEL GFQG Insulin Myoglobin : Horse (P68082)
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1. Localized repetitious folding called ! helix and " pleated sheet 2. Result from the formation of hydrogen bonds between peptide linkage on a polypeptide backbone 3. Individually H-bonds are weak. Collectively, they are a major force in
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Biomolecules Lecture_2_Proteins - Biomolecules and...

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