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Biochemistry Lecture 5

Transcript of Biochemistrybonhamchemistry.com/wp-content/uploads/2015/07/Lecture_5.pdfLehninger Principles of...

Page 1: Biochemistrybonhamchemistry.com/wp-content/uploads/2015/07/Lecture_5.pdfLehninger Principles of Biochemistry, Fifth Edition 2008 W. H. Freeman and Company . 100 75 50 25 200 o 400

Biochemistry

Lecture 5

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Proteins

Lipids

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Enzymes

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Ribozymes

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Amino Acids

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R Groups

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Additional Amino Acids

4-hydroxyproline

5-hydroxylysine

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Peptides

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oxytocin

vasopressin

Cys

Tyr

Phe Gln

Asn

Cys

SS

H2NO

NH2CGlyArgPro

Cys

Tyr

Ile Gln

Asn

Cys

SS

H2NO

NH2CGlyLeuPro

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CH C NH CCH OH

O O

CH 2

OO

HH

NHCCHNHCCHNH

O

HO

NH2

C

Tyr–Gly–Gly–Phe–Met Methionine enkephalin

CH2CHCH3

CH3Morphine

O

N

HO OH

CH3

H

H

Tyr–Gly–Gly–Phe–Leu Leucine enkephalin

Enkephalins

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Bovine Insulin

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Proteins

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Proteins

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Purification of Proteins

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Structure of Proteins

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Sequence Varies: Ask 23andMe

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Structure of Proteins

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Alpha Helices

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Beta Strands


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