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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

3sm4

Crystal structure of the k131a mutant of lambda exonuclease in complex with a 5'-phosphorylated 14-mer/12-mer duplex and magnesium