>1ht1A (A:) observed residues (from ATOM records)
ttivsvrrnghvviagdgqatlgntvmkgnvkkvrrlyndkviagfaggtadaftlfelf
erklemhqghlvkaavelakdwrtdrmlrkleallavadetasliitgngdvvqpendli
aigsggpyaqaaarallentelsareiaekaldiagdiciytnhfhtieelsyk