- Sex Determining Region Y Box Protein 4 (SOX4)
- Sex Determining Region Y (SRY)
- Tektin 2, Testicular (TEKT2)
- Tektin 3 (TEKT3)
- Tektin 1 (TEKT1)
- Zona Pellucida Binding Protein 2 (ZPBP2)
- Zona Pellucida Binding Protein (ZPBP)
- Zonadhesin (ZAN)
- Zygote Arrest Protein 1 (ZAR1)
- Sperm Specific Thioredoxin 2 (SPTRX2)
- Testis Specific Protein, Y-Linked 1 (TSPY1)
- Testis Specific Serine Kinase Substrate (TSKS)
- Testis/Prostate/Placenta Expressed Protein (TEPP)
- Sperm Equatorial Segment Protein 1 (SPESP1)
- Spermatogenesis Associated Protein 4 (SPATA4)