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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

2sar

Determination and restrained least-squares refinement of the crystal structures of ribonuclease sa and its complex with 3'-guanylic acid at 1.8 angstroms resolution