Enables ubiquitin protein ligase activity. Involved in regulation of neuron apoptotic process. Acts upstream of or within cellular response to leukemia inhibitory factor. Predicted to be located in cytoplasm. Is expressed in several structures, including alimentary system; genitourinary system; nervous system; respiratory system; and sensory organ. Human ortholog(s) of this gene implicated in Charcot-Marie-Tooth disease type 2R. Orthologous to human TRIM2 (tripartite motif containing 2). [provided by Alliance of Genome Resources, Apr 2022]