PlantTFDB
PlantRegMap/PlantTFDB v5.0
Plant Transcription Factor Database
Ipomoea nil
ARF Family
Species TF ID Description
XP_019151610.1ARF family protein
XP_019152600.1ARF family protein
XP_019158373.1ARF family protein
XP_019158374.1ARF family protein
XP_019158375.1ARF family protein
XP_019162902.1ARF family protein
XP_019162903.1ARF family protein
XP_019162904.1ARF family protein
XP_019162905.1ARF family protein
XP_019166507.1ARF family protein
XP_019166508.1ARF family protein
XP_019166509.1ARF family protein
XP_019167437.1ARF family protein
XP_019167438.1ARF family protein
XP_019168999.1ARF family protein
XP_019169000.1ARF family protein
XP_019169796.1ARF family protein
XP_019169962.1ARF family protein
XP_019169963.1ARF family protein
XP_019169964.1ARF family protein
XP_019169965.1ARF family protein
XP_019170238.1ARF family protein
XP_019170239.1ARF family protein
XP_019170240.1ARF family protein
XP_019171679.1ARF family protein
XP_019172123.1ARF family protein
XP_019174661.1ARF family protein
XP_019174662.1ARF family protein
XP_019174886.1ARF family protein
XP_019174887.1ARF family protein
XP_019177386.1ARF family protein
XP_019190622.1ARF family protein
XP_019191433.1ARF family protein
XP_019193987.1ARF family protein
XP_019194636.1ARF family protein
XP_019194894.1ARF family protein
XP_019196152.1ARF family protein
XP_019196602.1ARF family protein
XP_019199323.1ARF family protein
XP_019199537.1ARF family protein
ARF Family Introduction

Auxin response factors (ARF) are transcription factors that regulate the expression of auxin response genes. ARFs bind with specificity to TGTCTC auxin response elements (AuxRE) in promoters of these genes and function in combination with Aux/IAA (auxin/indole acetic acid) repressors, which dimerize with ARF activators in an auxin-regulated manner.

Most ARFs consist of an amino-terminal DNA-binding domain (DBD), a middle region that functions as an activation domain (AD) or repression domain (RD), and a carboxy-terminal dimerization domain (CTD). The ARF DBD is classified as a plant-specific B3-type, but requires additional amino-terminal and carboxy-terminal amino acids for efficient in vitro binding to TGTCTC AuxREs.

The ARF ADs and RDs are located just carboxy-terminal to the DBDs and contain biased amino acid sequences. ARF ADs are enriched in glutamine along with serine and leucine residues, while ARF RDs are enriched in serine, proline, leucine and glycine residues.

Guilfoyle TJ, Hagen G.
Auxin response factors.
Curr Opin Plant Biol, 2007. 10(5): p. 453-60.
PMID: 17900969