>1xs5A (A:) observed residues (from ATOM records)
kdetvgvgvlsepharlleiakeevkkqhielriveftnyvalneavmrgdilmnffqhv
phmqqfnqehngdlvsvgnvhveplalysrtyrhvsdfpagaviaipndssnearalrll
eaagfirmragsglfatvedvqqnvrnvvlqevesallprvfdqvdgavingnyaimagl
sarrdglavepdasayanvlvvkrgneadarvqavlralcggrvrtylkerykggevapa