>1mcsA (A:) observed residues (from ATOM records) psaltqppsasgslgqsvtisctgtssdvggynyvswyqqhagkapkviiyevnkrpsgv pdrfsgsksgntasltvsglqaedeadyycssyegsdnfvfgtgtkvtvlgqpkanptvt lfppsseelqankatlvclisdfypgavtvawkadgspvkagvettkpskqsnnkyaass ylsltpeqwkshrsyscqvthegstvektvaptecs