>4i6lA (A:) observed residues (from ATOM records)
gsnplvserlelsvlykeydniyqqkikdlhkkysyirktrpdgnsfyrafgfshleall
ddskelqrfkavsakskedlvsqgfteftiedfhntfmdlieqvekqtsvadllasfndq
stsdylvvylrlltsgylqreskffehfieggrtvkefcqqevepmckesdhihiialaq
alsvsiqveymphifpegsepkvyllyrpghydilyk