>5ek3A (A:) observed residues (from ATOM records)
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dhksqrlarlvlgcitmayvwgkghgdvrkvlprniavpycqlskklelppilvyadcvl
anwkkkdpnkpltyenmdvlfsfrdgdcskgfflvsllveiaaasaikviptvfkamqmq
erdtllkalleiasclekalqvfhqihdhvnpkaffsvlriylsgwkgnpqlsdglvyeg
fwedpkefaggsagqssvfqcfdvllgiqqtaggghaaqflqdmrrymppahrnflcsle
snpsvrefvlskgdaglreaydacvkalvslrsyhlqivtkyilipasqqggtdlmnflk
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