>1l4uA (A:) observed residues (from ATOM records)
apkavlvglpgsgkstigrrlakalgvglldtdvaieqrtgrsiadifatdgeqefrrie
edvvraaladhdgvlslgggavtspgvraalaghtvvyleisaaegvrrtggntvrplla
gpdraekyralmakraplyrrvatmrvdtnrrnpgavvrhilsrl