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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

4jk2

X-ray crystal structure of escherichia coli sigma70 holoenzyme in complex with guanosine pentaphosphate (pppgpp)