Cation channel sperm-associated protein subunit beta protein family
The function of this family of transmembrane proteins, CATSPERB, has not, as yet, been determined. However, it is thought to play a role in sperm hyperactivation by associating with CATSPER1. This family of proteins is found in eukaryotes. Proteins in this family are typically between 220 and 1107 amino acids in length.