>4ietA (A:) observed residues (from ATOM records) ellkprtladlirilhelfagdevnveevqavleayesnpaewalyakfdqyrytrnlvd qgngkfnlmilcwgeghgssihdhtdshcflkllqgnlketlfdwpdkksnemikksert lrenqcayindsiglhrvenvshtepavslhlysppfdtchafdqrtghknkvtmtfhsk fgirtp