Predicted to enable GTPase binding activity and ubiquitin protein ligase activity. Predicted to be involved in several processes, including negative regulation of cell aging; positive regulation of mitochondrial fission; and protein ubiquitination. Predicted to be located in endoplasmic reticulum membrane and mitochondrial outer membrane. Orthologous to human MARCHF5 (membrane associated ring-CH-type finger 5). [provided by Alliance of Genome Resources, Apr 2022]