Sperm Protein Associated With the Nucleus on the X Chromosome E

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

**Definition:** Sperm protein associated with the nucleus on the X chromosome E (97 aa, ~11 kDa) is encoded by the human SPANXE gene. This protein may be involved in sperm maturation.

**Synonyms:** - Nuclear-Associated Protein SPAN-Xe - SPANX Family Member E - SPANX-E