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FASTA Sequence PDB Format mmCIF Format
FASTA Sequence PDB Format PDB Format(gz) PDBx/mmCIF Format PDBx/mmCIF Format(gz) PDBML/XML Format Validation Full PDF Validation CIF

5zen

Crystal structure of human topoisomerase ii beta in complex with dna: a new quaternary conformation showing opening of the protein-linked dna-gate