Promoter sequence

Definition

A promoter sequence is a region of DNA that initiates transcription of a particular gene. It is located near the start of the gene and binds RNA polymerase and other proteins to begin synthesis of RNA from DNA.

Related terms

Transcription:

The process by which a segment of DNA is copied into RNA by the enzyme RNA polymerase.

RNA Polymerase:

An enzyme that synthesizes RNA from a DNA template, moving along the DNA strand and unwinding it to read off the genetic code.

Gene Expression: The process by which information from a gene is used in the synthesis of a functional gene product, such as proteins, typically through processes including transcription and translation