M3. Proteolytic Enzymes, Zymogens, Covalent Modification of Enzyme

Question 1

• breaking of peptide bonds
• maintain the primary structure of protein
• activated when needed

1. proteo
2. lytic

Answer 1

Proteolytic enzymes

Question 2

• Inactive precursor of proteolytic enzymes
• Activation of it changes the 2-dimensional structure
• Once activated, it will be known as proteolytic enzymes

Answer 2

Zymogens

Question 3

• adding/ substracting
• attachment of a chemical group or removal of a chemical group from a particular amino acid

Answer 3

covalent modification of enzyme

Question 4

1. addition of the phosphate group
2. by?

Answer 4

1. phosphorylation
2. protein kinases

Question 5

1. removal of the phosphate group
2. by?

Answer 5

1. dephosphorylation
2. phosphatases