Enzymes And Their Cofactors Flashcards

1
Q

Cytochrome oxidase

A

Cu++, Fe++, Fe+++

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2
Q

Catalase, peroxidase

A

Fe++/+++

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3
Q

Pyruvate kinase

A

K+, Mg++

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4
Q

Hexokinase, glucose-6-phosphatase

A

Mg++

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5
Q

Arginase, ribonucleotide reductase

A

Mn++

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6
Q

Dinitrogenase

A

Mo

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7
Q

Urease

A

Ni++

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8
Q

Carbonic anhydrase, alcohol dehydrogenase, carboxypeptidases A and B

A

Zn++

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9
Q

Biocytin

A
  • transfers CO2

- Biotin is dietary precursor

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10
Q

CoA

A
  • transfers acyl groups

- precursor is pantothenic acid

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11
Q

Coenzyme B12

A
  • transfers H atoms and alkyl groups

- precursor is B12

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12
Q

Flavin adenine dinucleotide

A
  • transfers electrons

- riboflavin is precursor

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13
Q

Lipoate

A
  • electrons and acyl groups
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14
Q

Nicotinamide adenine dinucleotide

A
  • transfers hydride ion (:H-)

- precursor is niacin

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15
Q

Pyridoxal phosphate

A
  • transfers amino groups

- precursor is B6

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16
Q

Tetrahydrofolate

A
  • transfers One-carbon groups

- precursor is folate

17
Q

Thiamine pyrophosphate

A
  • transfers aldehydes

- thiamine is precursor

18
Q

Lipoamide

A
  • transfers acyl group