Provided below are ELISA kits targeting cation channel sperm associated 3, a human protein encoded by CATSPER3. This protein is 398 amino acids long, with a mass of 46.4 kDa, and is a member of the Cation channel sperm-associated (TC 1.A.1.19) family. Other alias names for this protein include: cation channel sperm-associated protein 3, ca(v)-like protein, calcium channel repeat containing 1, one-repeat calcium channel-like protein, and ca(v)-like protein.