Sperm Protein Associated With the Nucleus on the X Chromosome N5

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

**Definition:** Sperm protein associated with the nucleus on the X chromosome N5 (72 aa, ~8 kDa) is encoded by the human SPANXN5 gene. This protein may be involved in the differentiation of sperm.

**Synonyms:** - Nuclear-Associated Protein SPAN-Xn5 - SPANX Family Member N5 - SPANX-N5