>1tw9D (D:) observed residues (from ATOM records)
mvhykltyfngrgagecarqvfaladqkyedvrltqetfvplkatfpfgqvpvlevdgqq
laqsqaicrylaktfgfagatpfesalidsladaytdyraemktydkpktdvllpartkf
lgfitkflkknssgflvgdkiswvdllvaehvadmtnrvpeyiegfpevkahmeriqqtp
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