Range: Table - link Unitless
||Bacteria Escherichia coli
||Madan Babu M, Teichmann SA, Aravind L. Evolutionary dynamics of prokaryotic transcriptional regulatory networks. J Mol Biol. 2006 Apr 28 358(2):614-33 Supplementary table S4 3rd page 18th row from bottom of pagePubMed ID16530225
||Transcription factor number prediction according to supplementary information in article - link (section M2: Procedure to identify orthologous proteins).
||Abstract: "[Researchers] use the known transcriptional regulatory network of Escherichia coli to analyze the conservation patterns of this network across 175 prokaryotic genomes, and predict components of the regulatory networks for these organisms." See BNID 105075,105089. For ~320 TFs in E. coli see link p.3 3rd paragraph. For ~200 well-characterized TFs in E. coli see PubMed ID 24766808 p.630 right column bottom paragraph