>1fz3E (E:) observed residues (from ATOM records)
klgihsndtrdawvnkiaqlntlekaaemlkqfrmdhttpfrnsyeldndylwieaklee
kvavlkarafnevdfrhktafgedaksvldgtvakmnaakdkweaekihigfrqaykppi
mpvnyfldgerqlgtrlmelrnlnyydtpleelrkqrgvrvvhlqs