| Common name | Sperm protein associated with the nucleus on the X chromosome B1 |
| Alternative name | Cancer/testis antigen 11.2, Nuclear-associated protein SPAN-Xb, SPANX family member B1, SPANX family member F1 |
| UniProt ID | Q9NS25 |
| Isoform | Q9NS25 |
| Proteomic database | |
| Protein Atlas | Q9NS25 |
| PeptideAtlas | Q9NS25 |