This entry represents a domain found in a group of pepsin-like aspartic proteases. They are found in mammals, plants, fungi and bacteria and are classified by MEROPS as members of the peptidase family A1 (pepsin A, clan AA) []. Proteins containing this domain also include the fungal enzymes mucorpepsin (A01.013) [], polyporopepsin (A01.019) [], CtsD peptidase from Aspergillus (A01.077) []and CnAP1 peptidase from Cryptococcus neoformans (A01.078) []; plasmepsins from the malaria parasite Plasmodium (A01.021, A01.022, A01.023, A01.043, A01.059) []and shewasin A from the bacterium Shewanella (A01.095) [].
