Enzyme Classes

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Description and Tags

Chemistry

Chemical Reactions

University/Undergrad

6 Terms

1
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Oxidoreductase
Oxidation and reduction reactions

Ex. Oxidases, reductases, dehydrogenases

A (reduce) + B (oxi) (→(enzyme)) A (oxi) + B (reduce)
2
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Transferase
Transfer of functional group from on compound to another

Ex. Transaminases (NH3), kinases (PO4)

A + B-C (→(enzyme)) A-B + C

Glucose + ATP (→(enzyme)) Glucose-6-phosphate + ADP
3
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Hydrolase
Cut with Water

Ex. Lipases (cut lipids), proteases (cut proteins), nucleases (cut nucleic acids), amylases (cut carbs)
Cut with Water Ex. Lipases (cut lipids), proteases (cut proteins), nucleases (cut nucleic acids), amylases (cut carbs)
4
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Isomerase
Intramolecular rearrangement

Ex. Epimerases, isomerases
Intramolecular rearrangement Ex. Epimerases, isomerases
5
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Lyase
(Greek “lean” = to break) Removal of group to form a db, or addition of a group to a db, or other cleavages involving e- rearrangements

Ex. dehydrates (-H2O), decarboxylates (-CO2)
(Greek “lean” = to break) Removal of group to form a db, or addition of a group to a db, or other cleavages involving e- rearrangements Ex. dehydrates (-H2O), decarboxylates (-CO2)
6
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Ligase
(Latin “ligase” = to site together) Two molecules joined together, consuming ATP energy

Ex. Syntheses, carboxylates (+CO2)
(Latin “ligase” = to site together) Two molecules joined together, consuming ATP energy Ex. Syntheses, carboxylates (+CO2)