Term Name:	bacterial_RNApol_promoter_sigma_ecf_element
Synonyms:	bacterial RNApol promoter sigma ecf
Definition:	A bacterial promoter with sigma ecf factor binding dependency. This is a type of bacterial promoters that requires a sigma ECF factor to bind to identified -10 and -35 sequence regions in order to mediate binding of the RNA polymerase to the promoter region as part of transcription initiation.
Ontology:	Sequence Ontology [SO:0001913]