PlantTFDB
PlantRegMap/PlantTFDB v5.0
Plant Transcription Factor Database
Lupinus angustifolius
ARF Family
Species TF ID Description
OIV91367ARF family protein
OIV91508ARF family protein
OIV91717ARF family protein
OIV95059ARF family protein
OIV95744ARF family protein
OIV97014ARF family protein
OIV97053ARF family protein
OIV97342ARF family protein
OIV97914ARF family protein
OIV98349ARF family protein
OIV98628ARF family protein
OIV99340ARF family protein
OIW00211ARF family protein
OIW00235ARF family protein
OIW00236ARF family protein
OIW01447ARF family protein
OIW01589ARF family protein
OIW02410ARF family protein
OIW03922ARF family protein
OIW04425ARF family protein
OIW04426ARF family protein
OIW05810ARF family protein
OIW06720ARF family protein
OIW06721ARF family protein
OIW07488ARF family protein
OIW07788ARF family protein
OIW08579ARF family protein
OIW13348ARF family protein
OIW13497ARF family protein
OIW13703ARF family protein
OIW14034ARF family protein
OIW14515ARF family protein
OIW14836ARF family protein
OIW15588ARF family protein
OIW15773ARF family protein
OIW16115ARF family protein
OIW16582ARF family protein
OIW17227ARF family protein
OIW18038ARF family protein
OIW18262ARF family protein
OIW19343ARF family protein
OIW19933ARF family protein
OIW20549ARF family protein
OIW20956ARF family protein
OIW21208ARF family protein
OIW21869ARF 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