Multiple Assemblies exist for SMTL entry 4jk2
X-ray crystal structure of Escherichia coli sigma70 holoenzyme in complex with guanosine pentaphosphate (pppGpp); X-RAY DIFFRACTION 4.20 Å

	SMTL ID 4jk2.1 Ligands ZINC ION; guanosine 5'-(tetrahydrogen triphosphate) 3'-(trihydrogen diphosphate) Polypeptides Escherichia coli RNA polymerase alpha subunit; Escherichia coli RNA polymerase beta subunit; Escherichia coli RNA polymerase beta' subunit; Escherichia coli RNA polymerase omega subunit; Escherichia coli RNA polymerase sigma70 subunit Oligo-state hetero-2-1-1-1-1-mer
	SMTL ID 4jk2.2 Ligands ZINC ION Polypeptides Escherichia coli RNA polymerase alpha subunit; Escherichia coli RNA polymerase beta subunit; Escherichia coli RNA polymerase beta' subunit; Escherichia coli RNA polymerase omega subunit; Escherichia coli RNA polymerase sigma70 subunit Oligo-state hetero-2-1-1-1-1-mer