Predicted to enable electron transfer activity. Predicted to be involved in tricarboxylic acid cycle. Predicted to be located in membrane. Predicted to be part of succinate dehydrogenase complex. Is an ortholog of C. elegans mev-1. In C. elegans, mev-1 is involved in several processes, including defense response to other organism; determination of adult lifespan; and regulation of response to oxidative stress.