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-oligomer
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-oligomer