domain_id,description,domain_type,proteins
IPR001108,"Peptidase A22A, presenilin",Family,PSEN1;PSEN2
IPR002031,"Peptidase A22A, presenilin 1",Family,PSEN1
IPR006639,"Presenilin/signal peptide peptidase",Family,PSEN1;PSEN2;SPPL3;SPPL2A;HM13