PlantRegMap/PlantTFDB v5.0
Plant Transcription Factor Database
Previous version: v3.0 v4.0
Actinidia chinensis
HB-other Family
Species TF ID Description
Achn006961HB-other family protein
Achn085431HB-other family protein
Achn133111HB-other family protein
Achn159891HB-other family protein
Achn179461HB-other family protein
Achn191761HB-other family protein
Achn215801HB-other family protein
Achn234051HB-other family protein
Achn271611HB-other family protein
Achn291121HB-other family protein
Achn320331HB-other family protein
Achn331841HB-other family protein
Achn335271HB-other family protein
Achn339111HB-other family protein
Achn339121HB-other family protein
Achn344741HB-other family protein
Achn347371HB-other family protein
Achn362911HB-other family protein
Achn385361HB-other family protein
HB-other Family Introduction

A homeobox (HB) encodes a protein domain, the homeodomain (HD), which is a conserved 60-amino acid motif present in transcription factors found in all the eukaryotic organisms. This 60-amino acid sequence folds into a characteristic three-helix structure that is able to interact specifically with DNA. Most HDs are able to bind DNA as monomers with high affinity, through interactions made by helix III (the so-called recognition helix) and a disordered N-terminal arm located beyond helix I. The high degree of conservation of this type of domain among diverse proteins from different kingdoms indicates that this structure is crucial to maintain the HD functionality and that the role played by this domain is vital.

Ariel FD, Manavella PA, Dezar CA, Chan RL.
The true story of the HD-Zip family.
Trends Plant Sci, 2007. 12(9): p. 419-26.
PMID: 17698401

Note: In plantTFDB, proteins of HB-other family include HB superfamily proteins that cannot be classified as HD-ZIP, TALE, WOX and HB-PHD.