>1n99A (A:) observed residues (from ATOM records) previlckdqdgkiglrlksidngifvqlvqanspaslvglrfgdqvlqingencagwss dkahkvlkqafgekitmtirdrpfertitmhkdstghvgfifkngkitsivkdssaarng lltehniceingqnviglkdsqiadilstsgtvvtitimpaf