sperm surface protein Sp17 (sperm autoantigenic protein 17, sperm protein 17, Sp17-1, SPA17, SP17)

Function

• sperm surface zona pellucida binding protein
• bind spermatozoa to the zona pellucida with high affinity

Structure

• homodimer
• contains 1 IQ domain

Compartment

membrane, peripheral membrane

Expression

testis- & sperm-specific

More general terms

• other protein

Database

• OMIM: https://mirror.omim.org/entry/608621
• UniProt: http://www.uniprot.org/uniprot/Q15506.html