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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

4r5q

Crystal structure and nuclease activity of the crispr-associated cas4 protein pcal_0546 from pyrobaculum calidifontis containing a [2fe-2s] cluster