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. 2013 Aug;20(25):3116–3133. doi: 10.2174/0929867311320250007

Table 3.

Distribution of Aspartic Peptidase Families from clans AA and AD Among Distinct Taxonomic Groups

Aspartic peptidase family Archaea Bacteria Eukarya Virus
Clan AAA1A2A3A9A11A28A32A33Clan ADA22A24 Protista Fungi Animalia Plantae 
- 11 240 853 899 888 -
- 1 - 28 676 43 233
- - - - - 4 31
- - - - - - 10
- - 2 240 139 1203 2
- - 39 71 71 15 -
- 355 - - - - -
- - 1 - 17 9 -
66 - 54 53 394 97 -
158 1188 - - 1 1 -

Source: MEROPS - The Peptidase Database (Rawlings et al., 2012), release 9.6; URL: http://merops.sanger.ac.uk/