S[C21] G[C18] S[C20] L[C1] S[C1] T[C1] F[C1] F[C1] R[C2] L[C1] F[C1] N[C2] R[C1] S[C1] F[C1] T[C2] Q[C1] A[C1] L[C1] G[C19] K[C16]