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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

2igb

Crystal structure of pyrr, the regulator of the pyrimidine biosynthetic operon in bacillus caldolyticus, ump-bound form