Citrátový cyklus Flashcards

(11 cards)

1
Q

Citrát

A
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2
Q

cis-akoniat

A
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3
Q

isocitrát

A
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4
Q

2-oxoglutarát

A
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5
Q

sukcinyl-CoA

A
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6
Q

sukcinát

A
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7
Q

fumarat

A
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8
Q

malát

A
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9
Q

oxalacetát

A
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10
Q

acetyl-CoA

A
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11
Q

Krebsův cyklus

A
  1. kondenzace - citrátsynthaza: oxalacetát + acetyl-CoA (+H2O) = citrát + HS-CoA
  2. dehydratace a hydratace citrát cis-akonitát isocitrát
  3. dehydrogenase(isocitratdehydrogenasa) + dekarboxylace isocitrát + NAD+ ↔ 2-oxoglutarát + CO2 + NADH+H+
  4. oxidativní dekarboxylace (2-oxoglutaratdehydrogenasa) 2-oxoglutarátrát + NAD+ + CoA-SH → sukcinyl-CoA + CO2 + NADH+H
  5. katalyzator sukcinyl-CoA-synthasa sukcinyl-CoA + Pi + ADP ↔ sukcinát + ATP + CoA-SH
  6. oxidace sukcinatdehydrogenasa sukcinát + FAD ↔ fumarát + FADH2
  7. hydratace fumarasa fumarát + H2O ↔ malát
  8. malat-dehydrogenasa malát + NAD+ oxalacetát + NADH+H+

zisk 3 NADH+H, FADH2, ATP. —-10ATP

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