>5y5qB (B:) observed residues (from ATOM records)
ssasvvfmrfappgeetalpprratpgsvaydlfpseemdiepmglakistgygidkfpd
gcygqivsrsgmtwknntsvptgtinvdyrgelkvilrnhsaeksvpirkgtsiaqlifl
rycdveeeqivyinettgertiidssskkdnknqaesvrgt