InterPro domain: IPR006645

This is the N-terminal domain of transcription termination/antitermination protein NusG, which is involved in transcription elongation, termination and antitermination. It also occurs at the N-terminal of transcription antitermination protein RfaH and in the transcription elongation factor Spt5 [ 1 ].

1. Core structure of the yeast spt4-spt5 complex: a conserved module for regulation of transcription elongation. Structure 16, 1649-58