>4wsxF (F:) observed residues (from ATOM records)
glfgaiagflengwegmvdgwygfrhqnaqgtgqaadykstqaaidqitgklnrlvektn
tefesiesefseiehqignvinwtkdsitdiwtyqaellvamenqhtidmadsemlnlye
rvrkqlrqnaeedgkgcfeiyhacddscmesirnntydhsqyreeallnrln