6p1k

Cryo-EM structure of Escherichia coli sigma70 bound RNAP polymerase holoenzymeCryo-EM structure of Escherichia coli sigma70 bound RNAP polymerase holoenzyme

6p1k, resolution 4.05Å Show:Asymmetric Unit Biological Assembly Structural highlights 6p1k is a 6 chain structure with sequence from Escherichia coli. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Electron Microscopy, Resolution 4.05Å Ligands: Experimental data: Check Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function RPOA_ECOLI DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. This subunit plays an important role in subunit assembly since its dimerization is the first step in the sequential assembly of subunits to form the holoenzyme.[HAMAP-Rule:MF_00059] See Also RNA polymerase 3D structures Sigma factor 3D structures