BRN-3

BRN-3 is a group of related transcription factors in the POU family. They are also known as class 4 POU domain homeobox proteins.
There are three BRN-3 proteins encoded by the following genes:

BRN3A
BRN3B
BRN3C

Nomenclature

The BRN or Brn prefix is an abbreviation for "brain"; the longer name is "Brain-specific homeobox". The name of the group may also be abbreviated as POU4, Pou4, POU IV, or POU-IV.