- Dipeptidyl Peptidase 8 (DPP8)
- Dipeptidyl Peptidase 7 (DPP7)
- Dipeptidyl Peptidase 6 (DPP6)
- Dipeptidyl Peptidase 3 (DPP3)
- Tektin 2, Testicular (TEKT2)
- Acid Phosphatase, Testicular (ACPT)
- Diphosphoinositol Pentakisphosphate Kinase 1 (PPIP5K1)
- Diphosphoinositol Pentakisphosphate Kinase 2 (PPIP5K2)
- N-Acetylneuraminic Acid Phosphatase (NANP)
- 5'-Nucleotidase, Cytosolic IA (NT5C1A)
- 5'-Nucleotidase, Cytosolic IB (NT5C1B)
- Nardilysin (NRD1)
- Glycine/Arginine Rich Protein 1 (GRRP1)
- Glycine Amidinotransferase (GATM)
- Endoplasmic Reticulum Aminopeptidase 2 (ERAP2)