Enzyme classification Flashcards by Iman Chaudhari

Q

How many classes of enzymes are there?

A

There are 6 main classes

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Q

List the 6 main classes:

A

Transferases
Hydrolases
Isomerases
Lyases
Ligases
Oxidoreductases

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Q

What do oxidoreductases do?

A

They add O2 or remove 2H

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Q

What do transferases do?

A

Transfer of functional groups

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Q

What do hydrolases do?

A

hydrolytic reactions

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Q

What do lyases do?

A

add groups to -C=C bonds

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Q

What do isomerases do?

A

isomerisation reactions

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Q

What do ligases do?

A

form C-C or C-N bonds with ATP cleavage

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Q

What is an example of an oxidoreductase?

A

lactate dehydrogenase

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Q

What is an example of a transferase?

A

Alanine amino transferase

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Q

What is an example of a hydrolase?

A

Trypsin

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Q

What is an example of a lyase?

A

ATP-citrate lyase

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Q

What is an example of an isomerase?

A

Phosphoglucose isomerase

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Q

What is an example of a ligase?

A

DNA ligase

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