>2otlL (L:) observed residues (from ATOM records) tskkkrqrgsrthgggshknrrgaghrggrgdagrdkhefhnheplgksgfkrpqkvqee aatidvreidenvtllaaddvaefrvdvrdvveeaddadyvkvlgagqvrheltliaddf segarekvegaggsveltdlgeerq