>1r6lA (A:) observed residues (from ATOM records)
mnrpsgraadqlrpiritrhytkhaegsvlvefgdtkvictvsaesgvprflkqgwltae
ygmlprstgernqreasrgkqggrtleiqrligrslraaldlsklgentlyidcdviqad
ggtrtasitgatvalidalavlkkrgalkgnplkqmvaavsvgiyqgvpvldldyledsa
aetdlnvvmtdaggfievqgtaegapfrpaelnamlelaqqgmqelfelqraalae