PR:000045448 presenilin-1 sequence variant I83T (human) hPSEN1/var:I83T|UniProtKB:P49768-1, Ile-83, CHEBI:30013 associated_with_disease_progression DOID:10652 Alzheimer's disease Alzforum:psen1-i83t EXP NCBITaxon:9606 Alzforum:psen1-i83t 20180510 PRO:DAN