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Promoter definition

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The DNA region, usually upstream to the coding sequence of a gene or operon, which binds and directs RNA polymerase to the correct transcriptional start site and thus permits transcription at a specific initiation site.

N.B.In catalysis a promoter is used differently: a co-catalyst usually present in much smaller amounts than the catalyst.


See also:

process flow definition
Problem-solving skills definition
process module definition
process zone definition
Pseudorotation definition