>1xysB (B:) SEQRES residues
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nsdrlvswaaqngqtvhghalvwhpsyqlpnwasdsnanfrqdfarhidtvaahfagqvk
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fnteengakttalvnlvqrllnngvpidgvgfqmhvmndypsianirqamqkivalsptl
kikitcldvrlnnpydgnssndytnrndcavscagldrqkarykeivqaylevvppgrrg
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