Function
domain:The RIIa domain mediates interaction with AKAP3.,miscellaneous:The name 'ropporin' comes from the Japanese word 'oppo' which means 'tail'.,similarity:Belongs to the ropporin family.,similarity:Contains 1 RIIa domain.,subcellular location:In the sperm tail, found in the principal piece and in the cytoplasmic droplet located at the distal end of the midpiece. Inner surface of the fibrous sheath.,subunit:Homodimer. Interacts with RHPN1. May interact with SPA17 (By similarity). Interacts with AKAP3.,