Enzymes And Their Cofactors Flashcards Preview

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Flashcards in Enzymes And Their Cofactors Deck (18):
1

Cytochrome oxidase

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

2

Catalase, peroxidase

Fe++/+++

3

Pyruvate kinase

K+, Mg++

4

Hexokinase, glucose-6-phosphatase

Mg++

5

Arginase, ribonucleotide reductase

Mn++

6

Dinitrogenase

Mo

7

Urease

Ni++

8

Carbonic anhydrase, alcohol dehydrogenase, carboxypeptidases A and B

Zn++

9

Biocytin

- transfers CO2
- Biotin is dietary precursor

10

CoA

- transfers acyl groups
- precursor is pantothenic acid

11

Coenzyme B12

- transfers H atoms and alkyl groups
- precursor is B12

12

Flavin adenine dinucleotide

- transfers electrons
- riboflavin is precursor

13

Lipoate

- electrons and acyl groups

14

Nicotinamide adenine dinucleotide

- transfers hydride ion (:H-)
- precursor is niacin

15

Pyridoxal phosphate

- transfers amino groups
- precursor is B6

16

Tetrahydrofolate

- transfers One-carbon groups
- precursor is folate

17

Thiamine pyrophosphate

- transfers aldehydes
- thiamine is precursor

18

Lipoamide

- transfers acyl group