enzyme properties

Question 1

6 main classes of enzymes

Answer 1

oxidoreductase
transferase
hydrolase
lyases
isomerase
ligase

Question 2

function of and example of oxidoreductase

Answer 2

add O2/remove 2H
alcohol dehydrogenase

pyruvate + NADH + H+ L-Lactate + NAD+

Question 3

function of and example of transferase

Answer 3

transfer functional groups
alanine amino transferase

glutamate + pyruvate L-alanine + alpha-ketoglutarate

Question 4

function of and example of hydrolases

Answer 4

hydrolytic reations
trypsin

Gly-Lys-Val-Ala + H2O Gly-Lys + Val-Ala

Question 5

function of and example of lyases

Answer 5

add groups to C=C
ATP citrate ligase

citrate oxaloacetate + acetate

Question 6

function of and example of isomerase

Answer 6

isomerisation reactions
phosphoglucose isomerase

G6P Fructose 6P

Question 7

function of and example of ligase

Answer 7

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

DNA ligase

Question 8

what is the active site important for

Answer 8

contains functional groups to stabilise tradition state of the reaction