Enzyme classifications Flashcards
(37 cards)
What are the 6 classifications of Enzymes
oxidoreductases
transferases
hydrolases
lysases
ligases
isomerases
What is the function of oxidoreductases
Electron transfer in REDOX
What is an example of an oxidoreductase enzyme
Cytochrome P450
Where is Cytochrome P450 found and it’s function
in liver and detoxifies drugs
What are CYP450 inhibited by and what is it found in
flavanols in grapefruit
What are CYP450 induced by
alcohol
What’s the role of a transferase
To transfer functional groups (phosphate)
An example of a transferase
Kinases
What’s the role of kinase
to transfer phosphate from ATP to proteins
What is kinase crucial for
cell signalling ( immune response)
What are overactive kinase associated with
Cancer
What is the role of hydrolases
To break bonds using water
An example of hydrolase
proteases
What is the role of proteases
break peptide bonds
What are the 2 types of sites
catalytic and pH
What are proteases involved in
digestion
What are AAA proteins
amino acid analysis
What are AAA protiens specialised for
controlled protein degradation
What is the role of lysases
Break/form bonds without hydrolysis or oxidation
An example of lysases
dehydratases
Role of dehydratase
removing water to create double bonds
What is the role of isomerases
rearrangement within molecules
An example of isomerases
Topoisomerases
What’s the role of topoisomerases
To untangle DNA