The
DNA region, usually upsteam to the coding
sequence of a
gene or
operon, which binds and directs
RNA polymerase to the correct transcriptional start site and thus permits the initation of
transcription.
Source: PAC, 1992,
64, 143. (
Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)) on page 163 [
Terms] [
Paper]