>4m4yB (B:) observed residues (from ATOM records)
glfgaiagfieggwtgmvdgwygyhhqneqgsgyaadlkstqnaidgitnkvnsviekmn
tqftavgkefnhlekrienlnkkvddgfldiwtynaellvllenertldyhdsnvknlye
kvrsqlknnakeigngcfefyhkcdntcmesvkngtydypkyseeaklnreeids