Predicted to enable metal ion binding activity. Acts upstream of or within negative regulation of transcription by RNA polymerase II; positive regulation of transcription by RNA polymerase II; and regulation of T cell homeostatic proliferation. Located in nucleus. Is expressed in several structures, including genitourinary system; hemolymphoid system; nervous system; respiratory system; and sensory organ. Orthologous to human LMO1 (LIM domain only 1). [provided by Alliance of Genome Resources, Apr 2022]