>3sxtD (D:) observed residues (from ATOM records)
etqgqaaaraaaadlaagqddeprileapapdarrvyvndpahfaavtqqfvidgeagrv
igmidggflpnpvvaddgsfiahastvfsriargertdyvevfdpvtllptadielpdap
rflvgtypwmtsltpdgktllfyqfspapavgvvdlegkafkrmldvpdcyhifptapdt
ffmhcrdgslakvafgtegtpeithtevfhpedeflinhpaysqkagrlvwptytgkihq
idlssgdakflpavealteaeradgwrpggwqqvayhraldriyllvdqrdewrhktasr
fvvvldaktgerlakfemgheidsinvsqdekpllyalstgdktlyihdaesgeelrsvn
qlghgpqvittadmg