>6ebcB (B:) observed residues (from ATOM records) shmsietilyrtqatvsggregnaessdgalkvqlstprelggaggpgtnpeqlfaagya acflgslkfvaakrkttlsadasvscgvgigtlpsgfglevelqirlpglsdeearqlie qahivcpysdatrgnidvrlrla