ALLOSTERIC ENZYMES Flashcards
1
Q
what 2 confirmations do allosteric enzymes oscillate b/n
A
active and inactive form
2
Q
what does activation do
A
stabilizes active form of enzyme
3
Q
what does inhibitor do
A
stabilizes inactive form of enzyme
4
Q
where do regulators bind
A
allosteric site
5
Q
if regulator is an inhibitor, it acts as a
A
reversible noncompetitive inhibitor
6
Q
in cellular respiration, phosphofructokinase has what allosteric inhibitor and what allosteric activator
A
inhibitor: ATP
activator: AMP
7
Q
in production of isoleucine from threonine, who is the inhibitor of threonine deaminase (1st enzyme in pathway)
A
end product (isoleucine)
8
Q
what is feedback inhibition
A
metabolic pathway shut down by inhibitory binding of its end product to an enzyme within that pathway
