3.5.4.42	N-isopropylammelide + H2O = cyanuric acid + isopropylamine	Involved in a pathway by which the herbicide atrazine, 2-chloro-4-(ethylamino)-6-(isopopylamino)-1,3,5-triazine, is degraded in bacteria via N-isopropylammelide, 2,4-dihydroxy-6-(isopropylamino)-1,3,5-triazine	-