Enzymes And Their Cofactors Flashcards
1
Q
Cytochrome oxidase
A
Cu++, Fe++, Fe+++
2
Q
Catalase, peroxidase
A
Fe++/+++
3
Q
Pyruvate kinase
A
K+, Mg++
4
Q
Hexokinase, glucose-6-phosphatase
A
Mg++
5
Q
Arginase, ribonucleotide reductase
A
Mn++
6
Q
Dinitrogenase
A
Mo
7
Q
Urease
A
Ni++
8
Q
Carbonic anhydrase, alcohol dehydrogenase, carboxypeptidases A and B
A
Zn++
9
Q
Biocytin
A
- transfers CO2
- Biotin is dietary precursor
10
Q
CoA
A
- transfers acyl groups
- precursor is pantothenic acid
11
Q
Coenzyme B12
A
- transfers H atoms and alkyl groups
- precursor is B12
12
Q
Flavin adenine dinucleotide
A
- transfers electrons
- riboflavin is precursor
13
Q
Lipoate
A
- electrons and acyl groups
14
Q
Nicotinamide adenine dinucleotide
A
- transfers hydride ion (:H-)
- precursor is niacin
15
Q
Pyridoxal phosphate
A
- transfers amino groups
- precursor is B6