Polyribonucleotide Nucleotidyltransferase 1, Mitochondrial

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme

**Definition:** Polyribonucleotide nucleotidyltransferase 1, mitochondrial (783 aa, ~86 kDa) is encoded by the human PNPT1 gene. This protein is involved in the regulation of processing and degradation of mRNA.

**Synonyms:** - 3'-5' RNA Exonuclease OLD35 - EC 2.7.7.8 - PNPT1 - PNPase 1 - PNPase Old-35 - Polynucleotide Phosphorylase 1 - Polynucleotide Phosphorylase-Like Protein