Predicted to enable 1-pyrroline-5-carboxylate dehydrogenase activity and oxidoreductase activity, acting on the aldehyde or oxo group of donors, NAD or NADP as acceptor. Predicted to be involved in proline catabolic process to glutamate. Predicted to be located in intermediate filament. Predicted to be integral component of membrane. Orthologous to human IFFO2 (intermediate filament family orphan 2). [provided by Alliance of Genome Resources, Apr 2022]