Multiple Assemblies exist for SMTL entry 4xln
Crystal structure of T. aquaticus transcription initiation complex containing bubble promoter and RNA; X-RAY DIFFRACTION 4.00 Å

	SMTL ID 4xln.1 Ligands RNA (5'-D(P*UP*CP*GP*A)-3'); ZINC ION; MAGNESIUM ION Polypeptides DNA-directed RNA polymerase subunit alpha; DNA-directed RNA polymerase subunit beta; DNA-directed RNA polymerase subunit beta'; DNA-directed RNA polymerase subunit omega; RNA polymerase sigma factor SigA Oligo-state hetero-2-1-1-1-1-mer
	SMTL ID 4xln.2 Ligands RNA (5'-D(P*UP*CP*GP*A)-3'); ZINC ION; MAGNESIUM ION Polypeptides DNA-directed RNA polymerase subunit alpha; DNA-directed RNA polymerase subunit beta; DNA-directed RNA polymerase subunit beta'; DNA-directed RNA polymerase subunit omega; RNA polymerase sigma factor SigA Oligo-state hetero-2-1-1-1-1-mer