aspartyl protease family protein. similar to pepsin A [Arabidopsis thaliana] (TAIR:AT5G07030.1); similar to unknown [Populus trichocarpa] (GB:ABK93780.1); contains InterPro domain Peptidase aspartic, catalytic; (InterPro:IPR009007); contains InterPro domain Peptidase A1; (InterPro:IPR001461)