>1q81M (M:) observed residues (from ATOM records)
tskkkrqrgsrthgggshknrrgaghrggrgdagrdkhefhnheplgksgfkrpqkvqee
aatidvreidenvtllaaddvaefrvdvrdvveeaddadyvkvlgagqvrheltliaddf
segarekvegaggsveltdlgeerq