PR:000037685 presenilin-1 sequence variant T274R (human) hPSEN1/var:T274R|UniProtKB:P49768-1, Thr-274, CHEBI:29952 associated_with_disease_progression DOID:10652 Alzheimer's disease Alzforum:psen1-t274r EXP NCBITaxon:9606 Alzforum:psen1-t274r 20180510 PRO:DAN