| Label | Id | |
|---|---|---|
| SRY-box 5 | HGNC:SOX5 | |
| SRY-box 8 | HGNC:SOX8 | |
| Sp1 transcription factor | HGNC:SP1 | |
| SP100 nuclear antigen | HGNC:SP100 | |
| Sp2 transcription factor | HGNC:SP2 | |
| Sp3 transcription factor | HGNC:SP3 | |
| Sp4 transcription factor | HGNC:SP4 | |
| betacellulin | HGNC:BTC | |
| sperm autoantigenic protein 17 | HGNC:SPA17 | |
| sperm associated antigen 1 | HGNC:SPAG1 | |
| sperm associated antigen 4 | HGNC:SPAG4 | |
| sorcin | HGNC:SRI | |
| sperm associated antigen 7 | HGNC:SPAG7 | |
| "sperm protein associated with the nucleus, X-linked, family member A1" | HGNC:SPANXA1 | |
| secreted protein acidic and cysteine rich | HGNC:SPARC |