>1s1iL (L:) observed residues (from ATOM records)
aykyleelqrkkqsdvlrflqrvrvweyrqknvihraarptrpdkarrlgykakqgfviy
rvrvrrgnrkrpvpkgatygkptnqgvnelkyqrslrataeervgrraanlrvlnsywvn
qdstykyfevilvdpqhkairrdarynwicdpvhkhreargltatgkksrginkghkfnn
tkagrrktwkrqnt