analysis of the polyamine substrate specificity for hypusine formation showed that n1-acetylspermidine did not compete with spermidine in the reaction , nor did n1- ( buta-2,3-dienyl ) -n2-methylbutane-1,4-diamine , and irreversible inhibitor of polyamine oxidase , block the reaction .
C0032433
polyamine
C0011957
diamine