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Class: Mainly Beta (13760)
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Architecture: Beta Barrel (4804)
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Topology: Cathepsin D, subunit A; domain 1 (745)
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Homologous Superfamily: Acid Proteases (745)
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Simian retrovirus 1. Organism_taxid: 11942. (1)
1NSOA:1-107FOLDED MONOMER OF PROTEASE FROM MASON-PFIZER MONKEY VIRUS