>3rn1F (F:) observed residues (from ATOM records)
qetqgqaaaraaaadlaagqddeprileapapdarrvyvndpahfaavtqqfvidgeagr
vigmidggflpnpvvaddgsfiahastvfsriargertdyvevfdpvtllptadielpda
prflvgtypwmtsltpdgktllfyqfspapavgvvdlegkafkrmldvpdcyhifptapd
tffmhcrdgslakvafgtegtpeithtevfhpedeflinhpaysqkagrlvwptytgkih
qidlssgdakflpavealteaeradgwrpggwqqvayhraldriyllvdqrdewrhktas
rfvvvldaktgerlakfemgheidsinvsqdekpllyalstgdktlyihdaesgeelrsv
nqlghgpqvittadmg