Cation channel sperm-associated auxiliary subunit delta

UniProtKB accession:  E9Q9F6

Grouped By:  Matching UniProtKB accession

UniProtKB description:  Auxiliary component of the CatSper complex, a complex involved in sperm cell hyperactivation (PubMed:34225353). Sperm cell hyperactivation is needed for sperm motility which is essential late in the preparation of sperm for fertilization (PubMed:21224844). Required for CATSPER1 stability before intraflagellar transport and/or incorporation of the CatSper complex channel into the flagellar membrane (PubMed:21224844).