Zymogens of protein Digestion Flashcards
1
Q
Pepsinogen
A
Activated by HCl or pepsin. PSA: stomach PS: most amino acids including aromatics. P: peptides
2
Q
Trypsinogen
A
Activated by enteropeptidase or trypsin PSA: intestine PS: basic amino acids P: smaller peprides and some free amino acids
3
Q
Chymotrypsinogen
A
Activated by trypsin enzyme: chymotrypsin; SA: intestine PS: A AAs, met, asn, and his P: Smaller peptides, some free amino acids
4
Q
Procarboxypeptidases
A
Activated by Trypsin : Enzymes: Carboxypeptidase A,B and aminopepidases. PSA: Intestine
5
Q
Carboxypeptidase A
A
PS: C-terminal neutral amino acids P free amino acids
6
Q
Carboxypeptidase B
A
PS: C-terminal basic amino acids P: free amino acids
7
Q
Aminopeptidases
A
PS: N-terminal amino acids: P: Free amino acids.
