- Beta-ureidopropionase (UPB1)
- Ubiquitin Specific Peptidase 1 (USP1)
- Uridine Monophosphate Synthetase (UMPS)
- Vaccinia Related Kinase 1 (VRK1)
- Xylosyltransferase II (XYLT2)
- Xanthine Dehydrogenase (XDH)
- 3-Mercaptopyruvate Sulfurtransferase (MST)
- Megakaryocyte Associated Tyrosine Kinase (MATK)
- Monoamine Oxidase B (MAOB)
- Dystrophia Myotonica Protein Kinase (DMPK)
- Napsin A Aspartic Peptidase (NAPSA)
- N-Myristoyltransferase 2 (NMT2)
- Purine Nucleoside Phosphorylase (PNP)
- 2',5'-Oligoadenylate Synthetase 1 (OAS1)
- Ornithine Decarboxylase Antizyme 1 (OAZ1)
