Sperm-Associated Antigen 11B

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

**Definition:** Sperm-associated antigen 11B (103 aa, ~11 kDa) is encoded by the human SPAG11B gene. This protein may be involved in the regulation of sperm motility and maturation.

**Synonyms:** - Epididymal Protein 2B - He2 - Human Epididymis-Specific Protein 2 - Protein EP2 - Sperm Antigen HE2