Predicted to enable identical protein binding activity; transcription coactivator activity; and ubiquitin-protein transferase activity. Predicted to be involved in negative regulation of delayed rectifier potassium channel activity. Predicted to be located in endoplasmic reticulum membrane and perinuclear endoplasmic reticulum. Predicted to be active in endoplasmic reticulum. Orthologous to several human genes including TRIM13 (tripartite motif containing 13). [provided by Alliance of Genome Resources, Apr 2022]