Sperm Protein Associated With the Nucleus on the X Chromosome D

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Sperm protein associated with the nucleus on the X chromosome D (97 aa, ~11 kDa) is encoded by the human SPANXD gene. This protein may play a role in spermatid formation.

**Synonyms:** - CT11.4 - Cancer/Testis Antigen 11.4 - Nuclear-Associated Protein SPAN-Xd - SPANX Family Member D - SPANX-D - SPANXD