>1ys6A (A:) observed residues (from ATOM records)
sprvlvvdddsdvlaslerglrlsgfevatavdgaealrsatenrpdaivldinmpvldg
vsvvtalramdndvpvcvlsarvddrvagleagaddylvkpfvlaelvarvkallrrrgs
tatsssetitvgplevdipgrrarvngvdvdltkrefdllavlaehktavlsraqllelv
wgydfaadtnvvdvfigylrrkleagggprllhtvrgvgfvlrmq