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Biochimie 2 > régulation enzyme > Flashcards

régulation enzyme Flashcards

1
Q

Pyruvate carboxylase

A

pyruvate en oxaloacétate

activée : acétyl-CoA

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2
Q

Pyruvate déshydrogenase

A

pyruvate en acétyl-CoA
activé: pyruvate
inhibée: ATP, acétyl-CoA, NADH+H+

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3
Q

Fructose-1,6-Bisphosphatase

A

F16BP en F6P
activé: citrate, ATP
inhibe: AMP, F26BP

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4
Q

Glycogène synthase

A

formation du glycogène par UDP-glucose
activé: glucose, ATP, insuline
inhibé: glucagon

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5
Q

Glycogène phosphorylase

A

dégradation du glycogène
activé: Ca2+, adrénaline, glucagon, AMP
inhibée: ATP, glucose, insuline

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6
Q

PFK1

A

F6P en F16BP
activé: F26BP, AMP
inhibé: citrate, AMP

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7
Q

Pyruvate kinase

A

phosphoénolpyruvate en pyruvate
activé: F16BP
inhibée: acétyl-CoA, ATP, glucagon, alanine

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8
Q

Citrate synthase

A

oxaloacétate en citrate

inhibé: NADH,H+ , succinyl-CoA, ATP, citrate

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9
Q

Isocitrate deshydrogenase

A

Isocitrate en alpha-cétoglutarate
activé: Ca2+, ADP, NAD+
inhibé: ATP, NADH,H+

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10
Q

alpha-cétroglutarate déshydrogenase

A

alpha-cétoglutarate en succinyl-CoA
activé: AMP, NAD+, Ca2+
inhibé: ATP, NADH,H+ , succinyl-CoA

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11
Q

Acétyl-CoA carboxylase

A

acétyl-CoA en malonyl-CoA
activé: citrate
inhibée: polmitoyl-CoA, adrénaline, glucagon

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12
Q

Glucose-6-phosphate déshydrogenase

A

G6P en 6 phosphogluconate

inhibée: NADPH,H+ , acyl-CoA

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13
Q

Lipase hormono-sensible

A

lipolyse
activé: glucagon
inhibée :insuline

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14
Q

HMG-CoA réductase

A

HMG-CoA en mévalonate
activé: insuline
inhibée: glucagon

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15
Q

Carnithine acyl transférase I

A

Acyl-CoA en Acyl-carnithine

inhibé: malonyl-CoA

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Biochimie 2 (3 decks)

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