plasmepsin i plasmepsin i plasmepsin i (ec 3.4.23.38, aspartic hemoglobinase i, pfapg, malaria aspartic hemoglobinase) is an enzyme. this enzyme catalyses the following chemical reaction hydrolysis of the -phe33-leu- bond in the alpha-chain of hemoglobin, leading to denaturation of the molecule plasmepsin iidentifiersec no.3.4.23.38cas no.180189-87-1 databasesintenzintenz viewbrendabrenda entryexpasynicezyme viewkeggkegg entrymetacycmetabolic pathwaypriamprofilepdb structuresrcsb pdb pdbe pdbsumsearchpmcarticlespubmedarticlesncbiproteins this enzyme is present in the malaria organism, plasmodium.