>1k8aM (M:) observed residues (from ATOM records)
tskkkrqrgsrthgggshknrrgaghrggrgdagrdkhefhnheplgksgfkrpqkvqee
aatidvreidenvtllaaddvaefrvdvrdvveeaddadyvkvlgagqvrheltliaddf
segarekvegaggsveltdlgeerq