>2ianB (B:) observed residues (from ATOM records) trprflwqlkfechffngtervrllerciynqeesvrfdsdvgeyravtelgrpdaeywn sqkdlleqrraavdtycrhnygvgesftvqrrvepkvtvypshnllvcsvsgfypgsiev rwfrngqeekagvvstgliqngdwtfqtlvmletvprsgevytcqvehpsvtspltvewr a