>1ht2D (D:) observed residues (from ATOM records)
ttivsvrrnghvviagdgqatlgntvmkgnvkkvrrlyndkviagfaggtadaftlfelf
erklemhqghlvkaavelakdwrtdrmlrkleallavadetasliitgngdvvqpendli
aigsggpyaqaaarallentelsareiaekaldiagdiciytnhfhtieelsyk