Sperm Protein Associated With the Nucleus on the X Chromosome N2

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

**Definition:** Sperm protein associated with the nucleus on the X chromosome N2 (180 aa, ~20 kDa) is encoded by the human SPANXN2 gene. This protein may play a role in the formation of spermatids.

**Synonyms:** - Nuclear-Associated Protein SPAN-Xn2 - SPANX Family Member N2 - SPANX-N2