Predicted to enable DNA-directed 5'-3' RNA polymerase activity and mitochondrial promoter sequence-specific DNA binding activity. Predicted to be involved in mitochondrial transcription. Predicted to be located in mitochondrial nucleoid. Predicted to be part of mitochondrial DNA-directed RNA polymerase complex. Orthologous to human POLRMT (RNA polymerase mitochondrial). [provided by Alliance of Genome Resources, Apr 2022]