Protein digestion

Question 1

1. ( start from the stomach)
   Enzyme
   Enzyme group/sub class:
   Action mechanism:

Answer 1

Enzyme: Pepsin (pepsinogen)

Enzyme group/sub class: Peptidase/Endopeptidase

Action mechanism: Hydrolysis of peptide bonds after Aromatic AA

Question 2

2. (start from pancreas)
   Enzyme:
   Enzyme group/subclass:

Action mechanism:

Answer 2

Enzyme: Trypsin (trypsinogen)

Enzyme group/sub class: Peptidase/Endopeptidase

Action mechanism: Hydrolysis of internal peptide bonds after Basic AA

Question 3

3. Enzyme:
   Enzyme group/sub class:

Action mechanism:

Answer 3

Enzyme: Chymotrypsin

Enzyme group/subclass: Peptidase/Endopeptidase

Action mechanism: Hydrolysis of internal peptide after Aromatic AA

Question 4

4. Enzyme:

Enzyme group/sub class:

Action mechanism:

Answer 4

Enzyme: Elastase

Enzyme group/sub class: Peptidase/Endopeptidase

Action mechanism: Hydrolysis of internal peptide bonds after Short AA

Question 5

5. Enzyme:
   Enzyme group/sub class:

Action mechanism:

Answer 5

Enzyme: Carboxypeptidase A

Enzyme group/sub class: Peptidase/Exopeptidase

Action mechanism: Hydrolysis of Aromatic AA from C-terminal

Question 6

6. Enzyme:
   Enzyme group/sub class:

Action mechanism:

Answer 6

Enzyme: Carboxypeptidase B

Enzyme group/sub class: Peptidase/ Exopeptidase

Action mechanism: Hydrolysis of Basic from C- terminal

Question 7

7. Enzyme:
   Enzyme group/sub class:
   Action mechanism:

Answer 7

Enzyme: Aminopeptidase

Enzyme group/sub class: Peptidase/ Exopeptidase

Action mechanism: Hydrolysis of any AA from N-terminal

Question 8

8. Enzyme:

Enzyme group/sub class:
Action mechanism:

Answer 8

Enzyme: Dipeptide

Enzyme group/sub class: Peptidase/Exopeptidase

Action mechanism: Hydrolysis of any dipeptide