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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

1a8w

A k+ cation-induced conformational switch within a loop spanning segment of a dna quadruplex containing g-g-g-c repeats, nmr, 8 structures