>1sigA (A:) observed residues (from ATOM records)
megeidiakriedginqvqcsvaeypeaitylleqynrveaeearlsdlitgfvddlapt
athvgselsqedldidpelarekfaelraqyvvtrdtikahataqeeilklsevfkqfrl
vpkqfdylvnsmrvmmdrvrtqerlimklcveqckmpkknfitlftgnetsdtwfnaaia
mnkpwseklhdvseevhralqklqqieeetgltieqvkdinrrmsigeakarrakkemve
anlrlvisiakkytnrglqfldliqegniglmkavdkfeyrrgykfstyatwwirqaitr
siadq