ID 3.5.3.24 DE N(1)-aminopropylagmatine ureohydrolase. CA H2O + N(1)-(3-aminopropyl)agmatine = spermidine + urea. CC -!- The enzyme, which has been characterized from the hyperthermophilic CC archaeon Pyrococcus kodakarensis and the thermophilic Gram-negative CC bacterium Thermus thermophilus, is involved in the biosynthesis of CC spermidine. DR P72703, APAUH_SYNY3; Q5JI38, APAUH_THEKO; Q72JK8, APAUH_THET2; DR Q5SJ85, APAUH_THET8; //