- DNA Polymerase Zeta Catalytic Subunit (POLz)
- RNA Exonuclease 2 Homolog (REXO2)
- RNA Exonuclease 4 Homolog (REXO4)
- Rififylin (RFFL)
- Ral Guanine Nucleotide Dissociation Stimulator Like Protein 2 (RGL2)
- Repulsive Guidance Molecule A (RGMA)
- Repulsive Guidance Molecule B (RGMB)
- RANBP2 Like And GRIP Domain Containing Protein 5 (RGPD5)
- RANBP2 Like And GRIP Domain Containing Protein 1 (RGPD1)
- Ras Homolog Enriched In Brain (RHEB)
- Rho Related BTB Domain Containing Protein 1 (RHOBTB1)
- Rho Related BTB Domain Containing Protein 2 (RHOBTB2)
- Rho Related BTB Domain Containing Protein 3 (RHOBTB3)
- Resistance To Inhibitors Of Cholinesterase 3 Homolog (RIC3)
- Synembryn (SYN)