PlantTFDB
PlantRegMap/PlantTFDB v5.0
Plant Transcription Factor Database
Dendrobium catenatum
ARF Family
Species TF ID Description
XP_020671769.1ARF family protein
XP_020672519.1ARF family protein
XP_020679201.1ARF family protein
XP_020679202.1ARF family protein
XP_020679203.1ARF family protein
XP_020683184.1ARF family protein
XP_020683187.1ARF family protein
XP_020685457.1ARF family protein
XP_020687165.1ARF family protein
XP_020687938.1ARF family protein
XP_020687939.1ARF family protein
XP_020687940.1ARF family protein
XP_020689469.1ARF family protein
XP_020689470.1ARF family protein
XP_020689878.1ARF family protein
XP_020693147.1ARF family protein
XP_020693148.1ARF family protein
XP_020693297.1ARF family protein
XP_020693298.1ARF family protein
XP_020695158.1ARF family protein
XP_020695696.1ARF family protein
XP_020695697.1ARF family protein
XP_020695700.1ARF family protein
XP_020695701.1ARF family protein
XP_020697239.1ARF family protein
XP_020697240.1ARF family protein
XP_020698091.1ARF family protein
XP_020699490.1ARF family protein
XP_020699832.1ARF family protein
XP_020700206.1ARF family protein
XP_020700227.1ARF family protein
XP_020700598.1ARF family protein
XP_020700958.1ARF family protein
XP_020703374.2ARF family protein
XP_028548530.1ARF family protein
XP_028548531.1ARF family protein
XP_028548532.1ARF family protein
XP_028549758.1ARF family protein
XP_028549759.1ARF family protein
XP_028552447.1ARF family protein
XP_028552975.1ARF family protein
XP_028552976.1ARF family protein
XP_028556580.1ARF family protein
XP_028556581.1ARF 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