TY - RPRT TI - Delta factor can displace sigma factor from Bacillus subtilis RNA polymerase holoenzyme and regulate its initiation activity. AU - V M Williamson AU - R H Doi PY - 1978 DO - 10.1007/bf00274183 UR - https://pubmed.ncbi.nlm.nih.gov/97510/ ID - 97510 ER -