PR:000037696 presenilin-1 sequence variant P284L (human) hPSEN1/var:P284L|UniProtKB:P49768-1, Pro-284, CHEBI:30006 associated_with_disease_progression DOID:10652 Alzheimer's disease Alzforum:psen1-p284l EXP NCBITaxon:9606 Alzforum:psen1-p284l 20180510 PRO:DAN