AA Nomenclature

Question 1

3- and 1- letter abbreviations for Glutamic acid?

Answer 1

3- Glu

1- E

Question 2

3- and 1- letter abbreviations for Aspartic acid?

Answer 2

3- Asp

1- D

Question 3

3- and 1- letter abbreviations for Lysine?

Answer 3

3- Lys

1- K

Question 4

3- and 1- letter abbreviations for Arginine?

Answer 4

3- Arg

1- R

Question 5

3- and 1- letter abbreviations for Histidine?

Answer 5

3- His

1- H

Question 6

3- and 1- letter abbreviations for Glycine?

Answer 6

3- Gly

1- G

Question 7

3- and 1- letter abbreviations for Alanine?

Answer 7

3- Ala

1- A

Question 8

3- and 1- letter abbreviations for Valine?

Answer 8

3- Val

1- V

Question 9

3- and 1- letter abbreviations for Leucine?

Answer 9

3- Leu

1- L

Question 10

3- and 1- letter abbreviations for Isoleucine?

Answer 10

3- Ile

1- I

Question 11

3- and 1- letter abbreviations for Phenylalanine?

Answer 11

3- Phe

1- F

Question 12

3- and 1- letter abbreviations for Tryptophan?

Answer 12

3- Trp

1- W

Question 13

3- and 1- letter abbreviations for Serine?

Answer 13

3- Ser

1- S

Question 14

3- and 1- letter abbreviations for Threonine?

Answer 14

3- The

1- T

Question 15

3- and 1- letter abbreviations for Tyrosine?

Answer 15

3- Tyr

1- Y

Question 16

3- and 1- letter abbreviations for Asparagine?

Answer 16

3- Asn

1- N

Question 17

3- and 1- letter abbreviations for Glutamine?

Answer 17

3- Gln

1- Q

Question 18

3- and 1- letter abbreviations for Cysteine?

Answer 18

3- Cys

1- C

Question 19

3- and 1- letter abbreviations for Methionine?

Answer 19

3- Met

1- M

Question 20

3- and 1- letter abbreviations for Proline?

Answer 20

3- Pro

1-P

Question 21

Define:

Residue

Answer 21

An individual amino acid in a polypeptid chain.

Question 22

Define:

Oligopepide

Answer 22

A pepide that contains a relatively small number of amino-acid residues.

Question 23

Describe the convention for writing peptide chains.

Ex. Phe-Glu-Gly-Ser-Ala

Answer 23

The amine terminal is always written first and ends with the carboxyl terminal.

Ex. Exposed Phe amino group and exposed Ala carboxyl group.