Whether the compound ‘ganglioside’ could be a glycerophospholipid. Introduction: Glycerophospholipids are the molecules in which two fatty acids are joined to the first and second carbon atom by an ester linkage, and a polar group is attached to the third carbon by through a phosphodiester linkage. Glycerophospholipids are the derivatives of the compound known as phosphatidic acid.

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Answer 1

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Chapter 10, Problem 9P

Summary Introduction

To determine: Whether the compound ‘ganglioside’ could be a glycerophospholipid.

Introduction:

Glycerophospholipids are the molecules in which two fatty acids are joined to the first and second carbon atom by an ester linkage, and a polar group is attached to the third carbon by through a phosphodiester linkage. Glycerophospholipids are the derivatives of the compound known as phosphatidic acid.

Summary Introduction

To determine: Whether the compound ‘sphingomyelin’ could be a glycerophospholipid.

Introduction:

Glycerophospholipids are the derivatives of the compound known as phosphatidic acid. Diacylglycerols are the most common glycerolphopholids that are attached to a head-group alcohol through a phosphodiester bond. Examples of glycerophospholipids are phosphatidylethanolamine, phosphatidylcholine, and cardiolipin.

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The beta-lactamase hydrolyzes the lactam-ring in penicillin. Describe the mechanism of hydrolysis, insuring to include the involvement of S, D, & K in the reaction sequence. Please help

To map the active site of beta-lactamase, the enzyme was hydrolyzed with trypsin to yield a hexapeptide (P1) with the following amino acids. Glu, Lys, Leu, Phe, Met, and Ser. Treatment of P1 with phenyl isothiocyanate yielded a PTH derivative of phenylalanine and a peptide (P2). Treatment of P1 with cyanogenbromide gave an acidic tetrapeptide (P3) and a dipeptide (P4).Treatment of P2 with 1-fluoro-2,4-dinitrobenzene, followed by complete hydrolysis, yields N-2,4-dinitrophenyl-Glu. P1, P2, and P3 contain the active site serine. Why doesn't D in this hexapeptide not participate in the hydrolysis of the beta-lactam ring even though S, K, and D are involved in the catalyst?

To map the active site of -lactamase, the enzyme was hydrolyzed with trypsin to yield a hexapeptide (P1) with the following amino acids. Glu, Lys, Leu, Phe, Met, and Ser. Treatment of P1 with phenyl isothiocyanate yielded a PTH derivative of phenylalanine and a peptide (P2). Treatment of P1 with cyanogenbromide gave an acidic tetrapeptide (P3) and a dipeptide (P4).Treatment of P2 with 1-fluoro-2,4-dinitrobenzene, followed by complete hydrolysis, yields N-2,4-dinitrophenyl-Glu. P1, P2, and P3 contain the active site serine. Using the experimental results described above derive the primary sequence of the active site hexapeptide. Please help!

Answer 2

Question

Chapter 10, Problem 9P

Summary Introduction

To determine: Whether the compound ‘ganglioside’ could be a glycerophospholipid.

Introduction:

Glycerophospholipids are the molecules in which two fatty acids are joined to the first and second carbon atom by an ester linkage, and a polar group is attached to the third carbon by through a phosphodiester linkage. Glycerophospholipids are the derivatives of the compound known as phosphatidic acid.

Summary Introduction

To determine: Whether the compound ‘sphingomyelin’ could be a glycerophospholipid.

Introduction:

Glycerophospholipids are the derivatives of the compound known as phosphatidic acid. Diacylglycerols are the most common glycerolphopholids that are attached to a head-group alcohol through a phosphodiester bond. Examples of glycerophospholipids are phosphatidylethanolamine, phosphatidylcholine, and cardiolipin.

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Answer 3

Question

Chapter 10, Problem 9P

Summary Introduction

To determine: Whether the compound ‘ganglioside’ could be a glycerophospholipid.

Introduction:

Glycerophospholipids are the molecules in which two fatty acids are joined to the first and second carbon atom by an ester linkage, and a polar group is attached to the third carbon by through a phosphodiester linkage. Glycerophospholipids are the derivatives of the compound known as phosphatidic acid.

Summary Introduction

To determine: Whether the compound ‘sphingomyelin’ could be a glycerophospholipid.

Introduction:

Glycerophospholipids are the derivatives of the compound known as phosphatidic acid. Diacylglycerols are the most common glycerolphopholids that are attached to a head-group alcohol through a phosphodiester bond. Examples of glycerophospholipids are phosphatidylethanolamine, phosphatidylcholine, and cardiolipin.

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Answer 4

Question

Chapter 10, Problem 9P

Summary Introduction

To determine: Whether the compound ‘ganglioside’ could be a glycerophospholipid.

Introduction:

Glycerophospholipids are the molecules in which two fatty acids are joined to the first and second carbon atom by an ester linkage, and a polar group is attached to the third carbon by through a phosphodiester linkage. Glycerophospholipids are the derivatives of the compound known as phosphatidic acid.

Summary Introduction

To determine: Whether the compound ‘sphingomyelin’ could be a glycerophospholipid.

Introduction:

Glycerophospholipids are the derivatives of the compound known as phosphatidic acid. Diacylglycerols are the most common glycerolphopholids that are attached to a head-group alcohol through a phosphodiester bond. Examples of glycerophospholipids are phosphatidylethanolamine, phosphatidylcholine, and cardiolipin.

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Answer 5

Chapter 10, Problem 9P

Summary Introduction

To determine: Whether the compound ‘ganglioside’ could be a glycerophospholipid.

Introduction:

Glycerophospholipids are the molecules in which two fatty acids are joined to the first and second carbon atom by an ester linkage, and a polar group is attached to the third carbon by through a phosphodiester linkage. Glycerophospholipids are the derivatives of the compound known as phosphatidic acid.

Summary Introduction

To determine: Whether the compound ‘sphingomyelin’ could be a glycerophospholipid.

Introduction:

Glycerophospholipids are the derivatives of the compound known as phosphatidic acid. Diacylglycerols are the most common glycerolphopholids that are attached to a head-group alcohol through a phosphodiester bond. Examples of glycerophospholipids are phosphatidylethanolamine, phosphatidylcholine, and cardiolipin.

Answer 6

Chapter 10, Problem 9P

Summary Introduction

To determine: Whether the compound ‘ganglioside’ could be a glycerophospholipid.

Introduction:

Glycerophospholipids are the molecules in which two fatty acids are joined to the first and second carbon atom by an ester linkage, and a polar group is attached to the third carbon by through a phosphodiester linkage. Glycerophospholipids are the derivatives of the compound known as phosphatidic acid.

Answer 7

Chapter 10, Problem 9P

Summary Introduction

To determine: Whether the compound ‘ganglioside’ could be a glycerophospholipid.

Introduction:

Glycerophospholipids are the molecules in which two fatty acids are joined to the first and second carbon atom by an ester linkage, and a polar group is attached to the third carbon by through a phosphodiester linkage. Glycerophospholipids are the derivatives of the compound known as phosphatidic acid.

Answer 8

Summary Introduction

To determine: Whether the compound ‘sphingomyelin’ could be a glycerophospholipid.

Introduction:

Glycerophospholipids are the derivatives of the compound known as phosphatidic acid. Diacylglycerols are the most common glycerolphopholids that are attached to a head-group alcohol through a phosphodiester bond. Examples of glycerophospholipids are phosphatidylethanolamine, phosphatidylcholine, and cardiolipin.

Answer 9

Summary Introduction

To determine: Whether the compound ‘sphingomyelin’ could be a glycerophospholipid.

Introduction:

Glycerophospholipids are the derivatives of the compound known as phosphatidic acid. Diacylglycerols are the most common glycerolphopholids that are attached to a head-group alcohol through a phosphodiester bond. Examples of glycerophospholipids are phosphatidylethanolamine, phosphatidylcholine, and cardiolipin.

Answer 10

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Answer 13

Ch. 10 - Prob. 1P Ch. 10 - Prob. 2P Ch. 10 - Prob. 3P Ch. 10 - Prob. 4P Ch. 10 - Prob. 5P Ch. 10 - Prob. 6P Ch. 10 - Prob. 7P Ch. 10 - Prob. 8P Ch. 10 - Prob. 9P Ch. 10 - Prob. 10P

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