PR:000037688 presenilin-1 sequence variant R278K (human) hPSEN1/var:R278K|UniProtKB:P49768-1, Arg-278, CHEBI:29967 associated_with_disease_progression DOID:10652 Alzheimer's disease Alzforum:psen1-r278k EXP NCBITaxon:9606 Alzforum:psen1-r278k 20180510 PRO:DAN