>6twhD (D:) observed residues (from ATOM records)
glfgaiagfiengwegmvdgwygfrhqnaqgtgqaadykstqaaidqitgklnriikktn
tefesiesefseidhqignvinwtkdsitdiwtyqaellvamenqhtidmadsemlnlye
rvrkqlrqnaeedgkgcfeiyhacddscmesirnntydhsqyreeallnrln