StudentLecture_20 - LECTURE 20 11/5/2009 Biochemistry...

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LECTURE 20 11/5/2009 Biochemistry Reading for this week: Biochemistry Interchapter, pp 497-512 ; page 473, A Closer Look Lab: Organic reactions, Chapter 8 (To get familiar with polymer terminology, browse Section 10.5, pps 478-487) in your text. HW as usual
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Structure of Proteins
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Structure of Proteins: 4 Types Primary : sequence of amino acids __-terminus ___-terminus
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Structure of Proteins Secondary : spatial arrangement of the polypeptide into shapes such as sheets or helices
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Structure of Proteins Tertiary : overall 3-D shapeof a polypeptide chain helices and sheets Quaternary : arrangement of two or more polypeptide units in the protein
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Potassium ion channel protein
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7 Quaternary Structure Hemoglobin – 4 stranded protein
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Protein Structure _________________ help to determine secondary, tertiary and quaternary structures (with occasional help from __________ covalent bonds). Placement of polar groups ___________ and nonpolar groups _______________ (for an aqueous environment)
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CPS Question #1 What information about protein structure does this image provide?
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This note was uploaded on 02/21/2010 for the course CHEM 115 taught by Professor L during the Spring '02 term at Purdue University-West Lafayette.

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StudentLecture_20 - LECTURE 20 11/5/2009 Biochemistry...

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