establishment of localization | proton transmembrane transport | localization | regulation of mitochondrial membrane potential | response to hypoxia | regulation of metabolic process | response to stimulus | positive regulation of cold-induced thermogenesis | response to stress | regulation of membrane potential | response to oxygen levels | ion transmembrane transport | monovalent inorganic cation transport | cation transmembrane transport | inorganic cation transmembrane transport | transmembrane transport | cation transport | positive regulation of metabolic process | ion transport