Ropporin-1A

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

**Definition:** Ropporin-1A (212 aa, ~24 kDa) is encoded by the human ROPN1 gene. This protein plays a role in sperm motility and capacitation.

**Synonyms:** - CT91 - Cancer/Testis Antigen 91 - Outer Dense Fiber of Sperm Tails 6 - ROPN1 - Rhophilin Associated Tail Protein 1 - Rhophilin-Associated Protein 1A - Ropporin - Testis Secretory Sperm-Binding Protein Li 239w