urea cycle

step 1

carbonyl phosphate synthase

step 2

ornithine transcarbamoylase

step 3

argininosuccinate synthase

step 4

argininosuccinase

step 5

argininase

starting materials of step 1

carbonyl phosphate and ornithine

products form step 1

citrulline

starting materials of step 3

citrulline and aspartate

products from step 3

argininosuccinate

what does step 2 do

catalyzes the transfer of the carbonyl group

starting materials of step 4

arginosuccinate

products from step 4

arginine and fumarate

starting materials of step 5

arginine

products from step 5

urea and ornithine