Predicted to be involved in several processes, including neuron differentiation; positive regulation of transcription by RNA polymerase II; and response to fibroblast growth factor. Located in cytoplasm. Is expressed in several structures, including ear; forelimb bud; submandibular gland primordium; tooth; and vibrissa. Orthologous to human IER2 (immediate early response 2). [provided by Alliance of Genome Resources, Apr 2022]