>3OK4_1|Chains AA[auth 3], A[auth 1], B[auth A], C, G[auth E], H[auth G], I, M[auth K], N[auth M], O, S[auth Q], T[auth S], U, Y[auth W], Z[auth Y]|ANA|null
XXXXXXXXXXX
>3OK4_2|Chains BA[auth 2], CA[auth 4], DA[auth D], D[auth B], E[auth F], F[auth H], J, K[auth L], L[auth N], P, Q[auth R], R[auth T], V, W[auth X], X[auth Z]|RNA|null
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