>3mcaB (B:) observed residues (from ATOM records) ieknsgwitmepedmwhlynilqvgdqlkastvrrilvenmdfdtkaaqlhikrtteyhp mgsyhtldlelhrnftlynewdafaldrvdaacnpsaeigavvldeglaniclitdymti lrqridqviprkrrgdssayqkgldkfydsvfqsinsefdfdklkvvilaspgfvargly dyifsmavkldlkqivksknkfvilhsstghihslneilkdpaveskladtkyvqeirvl nkfydvmneddrkawygpnhvlkafelgaigellisdslfrssdiatrkkwvslvegvke incpvyifsslhesgkqldllsgiaailtypvdeedisede