PR:000037587 presenilin-1 sequence variant M139T (human) hPSEN1/var:M139T|UniProtKB:P49768-1, Met-139, CHEBI:30013 associated_with_disease_progression DOID:10652 Alzheimer's disease Alzforum:psen1-m139t EXP NCBITaxon:9606 Alzforum:psen1-m139t 20180510 PRO:DAN