I’m reviewing Enzyme Inhibition and am having issues wrapping my head around non-competitive and uncompetitive inhibition (and their consequent effect on Vmax / Km.)

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
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I’m reviewing Enzyme Inhibition and am having issues wrapping my head around non-competitive and uncompetitive inhibition (and their consequent effect on Vmax / Km.)

2:55 PM Sun Nov 7
33% O
88
BIO SCRATCH
BIO SCRATCH
CHEM READING NOTES
BIO LECTURE
Need to Review
MED FLIX : enzyme inhibition
V vs [S]
un competitive
yninhibited
competitive.
Vmax
Vmax
½ Vmax
non-competitive_ Vmax
Km doesni Aif
we don't affect
S is ability to
bind.
max
Km
KM Km
[s] >
Km
Enzyme Inhibitiom
BINDS AT
Vmax
Km
if [s] high
O Competitive Inhibition
• Something that
replaces substale
active site
active site
Same
increases.
enough you can
over come inhibition
O Non Competitive
Inhibition
allosteril
Site
same doesnt affect
ability of E+S to bind
decrease.
• turns enzyme off
S Still binds to E ok.
Ouncompetitive
Inhibition
jams EtS
together.
allosteric site
@E-S Complex decrease.
binds when S is
also bound
allosteric sile
E or ElS
decrease
cant bind
Cant make
product
Tocking S+E
s is locked in.
O mixed Inhibition
decreaces
unknown.
varies.
Transcribed Image Text:2:55 PM Sun Nov 7 33% O 88 BIO SCRATCH BIO SCRATCH CHEM READING NOTES BIO LECTURE Need to Review MED FLIX : enzyme inhibition V vs [S] un competitive yninhibited competitive. Vmax Vmax ½ Vmax non-competitive_ Vmax Km doesni Aif we don't affect S is ability to bind. max Km KM Km [s] > Km Enzyme Inhibitiom BINDS AT Vmax Km if [s] high O Competitive Inhibition • Something that replaces substale active site active site Same increases. enough you can over come inhibition O Non Competitive Inhibition allosteril Site same doesnt affect ability of E+S to bind decrease. • turns enzyme off S Still binds to E ok. Ouncompetitive Inhibition jams EtS together. allosteric site @E-S Complex decrease. binds when S is also bound allosteric sile E or ElS decrease cant bind Cant make product Tocking S+E s is locked in. O mixed Inhibition decreaces unknown. varies.
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