Plant Transcription Factor Database
Previous version: v3.0
Picea glauca
HB-other Family
Species TF ID Description
Pgl003073HB-other family protein
Pgl003975HB-other family protein
Pgl004265HB-other family protein
Pgl004913HB-other family protein
Pgl005709HB-other family protein
Pgl010746HB-other family protein
Pgl014087HB-other family protein
Pgl015942HB-other family protein
Pgl016927HB-other family protein
Pgl016993HB-other family protein
Pgl017985HB-other family protein
Pgl010875HB-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.