>9K0D_1|Chains A[auth C], B[auth D], D[auth G], E[auth H], G[auth M], H[auth N], J[auth O], K[auth P], M[auth U], N[auth V], P[auth W], Q[auth X]|Amyloid-beta A4 protein|Homo sapiens (9606) DAEFRHDSGYEVHHQKLVFFAEDVGSNKGAIIGLMVGGVVIA >9K0D_2|Chains C[auth B], F, I[auth K], L, O[auth S], R[auth T]|Amyloid-beta protein 40|Homo sapiens (9606) GYEVHHQKLVFFA