>2y1aA (A:) observed residues (from ATOM records)
distlprvkvdlvkppfvhahdqvaktgprvveftmtieekklvidregteihamtfngs
vpgplmvvhendyvelrlinpdtntllhnidfhaatgalgggaltqvnpgeettlrfkat
kpgvfvyhcapegmvpwhvtsgmngaimvlprdglkdekgqpltydkiyyvgeqdfyvpk
deagnykkyetpgeayedavkamrtltpthivfngavgaltgdhaltaavgervlvvhsq
anrdtrphligghgdyvwatgkfrnppdldqetwlipggtagaafytfrqpgvyayvnhn
lieafelgaaghfkvtgewnddlmtsvvkpas