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Keywords from Image Description:
PDB rz EBI. All alpha proteins RPB or omega subunitlike RPB or omega subunitlike RPB RPB All alpha proteins DNA or RNAbinding helical bundle RNA polymerase subunit RPB RNA polymerase subunit RPB RNA polymerase subunit RPB All beta proteins OBfold Nucleic acidbinding proteins RNA polymerase subunit RBP RNA polymerase subunit RBP Multidomain