Any [[Protein]] required to initiate or regulate [[Transcription]]; includes both [[Gene]] regulatory [[Protein]]s as well as the general transcription factors.

TF search
 * http://www.itba.mi.cnr.it/webgene/
 * http://www.cbrc.jp/research/db/TFSEARCH.html

관련프로그램
 * [[TESS]]
 * tfscan in [[EMBOSS]]

관련Database
 * TransFac

----
GO:0003700 in [[GO]]