Transcription Initiation Site

Transcription Start Site; Initiation Site, Transcription; Initiation Sites, Transcription; Site, Transcription Initiation; Site, Transcription Start; Sites, Transcription Initiation; Sites, Transcription Start; Start Site, Transcription
The first nucleotide of a transcribed DNA sequence where RNA polymerase (DNA-DIRECTED RNA POLYMERASE) begins synthesizing the RNA transcript.