>1t72A (A:) observed residues (from ATOM records)
ggggggmklfkeleetkeqvikmaklvqeaidkatealnkqnvelaeevikgddtidlle
vdierrcirmialyqpeagdlrmimgiykivsdlermgdeaeniaeraillaeepplkpy
vninfmseivkemvndsvisfiqqdtllakkviekddtvdelyhqlerelmtyvledprn
ikramhlsfvarhyeriadhaenvaeaaiylsege