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 (POU4F1, ) BRN3B (POU4F2, ) BRN3C (POU4F3, )
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.
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