>4jtxB (B:) observed residues (from ATOM records)
glfgaiagfieggwtgmvdgwygyhhqneqgsgyaadlkstqnaideitnkvnsviekmn
tqftavgkefnhlekrienlnkkvddgfldiwtynaellvllenertldyhdsnvknlye
kvrsqlknnakeigngcfefyhkcdntcmesvkngtydypky