An IUPAC name has to be assigned to the small peptide, Ser − Cys . Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in – yl . The – ine or – ic acid ending of the amino acid names is replaced by – yl.

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Answer 1

Question

Chapter 9, Problem 9.65EP

(a)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Ser−Cys.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

(b)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Gly−Ala−Val.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

(c)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Tyr−Asp−Gln.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

(d)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Leu−Lys−Trp−Met.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

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Assign all the carbons

C 5 4 3 CI 2 the Righ B A 5 4 3 The Lich. OH 10 4 5 3 1 LOOP- -147.52 T 77.17 -45.36 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 ppm B -126.25 77.03 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 ppm 200 190 180 170 160 150 140 130 120 110 100 90 80 TO LL <-50.00 70 60 50 40 30 20 10 ppm 45.06 30.18 -26.45 22.36 --0.00 45.07 7.5 1.93 2.05 -30.24 -22.36 C A 7 8 5 ° 4 3 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 ppm 9 8 5 4 3 ཡི་ OH 10 2 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 5 4 3 2 that th 7 I 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 115 2.21 4.00 1.0 ppm 6.96 2.76 5.01 1.0 ppm 6.30 1.00

Answer 2

Question

Chapter 9, Problem 9.65EP

(a)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Ser−Cys.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

(b)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Gly−Ala−Val.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

(c)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Tyr−Asp−Gln.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

(d)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Leu−Lys−Trp−Met.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

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Answer 3

Question

Chapter 9, Problem 9.65EP

(a)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Ser−Cys.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

(b)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Gly−Ala−Val.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

(c)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Tyr−Asp−Gln.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

(d)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Leu−Lys−Trp−Met.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

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Answer 4

Question

Chapter 9, Problem 9.65EP

(a)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Ser−Cys.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

(b)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Gly−Ala−Val.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

(c)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Tyr−Asp−Gln.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

(d)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Leu−Lys−Trp−Met.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

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Answer 5

Chapter 9, Problem 9.65EP

(a)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Ser−Cys.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

(b)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Gly−Ala−Val.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

(c)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Tyr−Asp−Gln.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

(d)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Leu−Lys−Trp−Met.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

Answer 6

Chapter 9, Problem 9.65EP

(a)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Ser−Cys.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

Answer 7

Chapter 9, Problem 9.65EP

(a)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Ser−Cys.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

Answer 8

(b)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Gly−Ala−Val.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

Answer 9

(b)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Gly−Ala−Val.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

Answer 10

(c)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Tyr−Asp−Gln.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

Answer 11

(c)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Tyr−Asp−Gln.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

Answer 12

(d)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Leu−Lys−Trp−Met.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

Answer 13

(d)

Interpretation Introduction

Interpretation: An IUPAC name has to be assigned to the small peptide, Leu−Lys−Trp−Met.

Concept introduction: In the IUPAC naming of a peptide, full name of the amino acid is written which is present on the far right. The other amino acid residues in the peptide receive “shortened” names that end in –yl. The –ine or –ic acid ending of the amino acid names is replaced by –yl.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 9.1 - Prob. 1QQ Ch. 9.1 - Proteins are naturally occurring unbranched...Ch. 9.2 - Prob. 1QQ Ch. 9.2 - How do the various standard amino acids differ...Ch. 9.2 - The number of carboxyl groups and amino groups...Ch. 9.2 - How many different subclassifications are there...Ch. 9.2 - Which of the following statements concerning...Ch. 9.3 - Prob. 1QQ Ch. 9.3 - Proteins from plant sources are a. always complete...Ch. 9.3 - Incomplete dietary proteins contain inadequate...

Solution Summary: The author explains that an IUPAC name has to be assigned to the small peptide, Ser- Cys.

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