PR:000037520 amyloid-beta precursor protein sequence variant K687N (human) hAPP/var:K687N|UniProtKB:P05067-1, Lys-687, CHEBI:50347 associated_with_disease_progression DOID:10652 Alzheimer's disease Alzforum:app-k687n EXP NCBITaxon:9606 Alzforum:app-k687n 20180510 PRO:DAN