CRISP1

cysteine rich secretory protein 1

Summary

Fertilization consists of a sequence of specific cell-cell interactions culminating in the fusion of the sperm and egg plasma membranes. Recognition, binding, and fusion occur through the interaction of complementary molecules that are localized to specific domains of the sperm and egg plasma membranes. In the sperm, the postacrosomal region or equatorial segment is involved in sperm-egg plasma membrane fusion. The protein encoded by this gene is a member of the cysteine-rich secretory protein (CRISP) family. It is expressed in the epididymis, is secreted into the epididymal lumen, and binds to the postacrosomal region of the sperm head, where it plays a role in sperm-egg fusion. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Mar 2011]

Known Variants28 total

rsidPosition (GRCh37)AllelesClassClinVar
rs1896435566:49,803,042G/A—uncertain significance
rs7687585106:49,803,067A/T—uncertain significance
rs3739244646:49,803,145T/C—uncertain significance
rs3753494676:49,806,195C/T—uncertain significance
rs7497809346:49,806,210G/T—uncertain significance
rs3721192576:49,808,630C/G—uncertain significance
rs2676010656:49,808,641C/T—likely benign
rs12838812596:49,808,662C/G—uncertain significance
rs1435042306:49,808,680C/T—uncertain significance
rs7690373896:49,808,705C/A—uncertain significance
rs13799615416:49,814,273G/C—uncertain significance
rs13242053576:49,814,285T/C—uncertain significance
rs1475866636:49,814,294C/T—uncertain significance
rs25333875186:49,814,297G/C—uncertain significance
rs2019640726:49,814,306C/A—uncertain significance
rs7809457006:49,814,372C/G—uncertain significance
rs1437127086:49,815,932C/T—likely benign
rs14336208766:49,815,969T/C—likely benign
rs7622869666:49,815,985C/T—uncertain significance
rs1503720786:49,815,997C/T—uncertain significance
rs1511278416:49,819,725T/C—uncertain significance
rs1502531456:49,819,776C/A—uncertain significance
rs1877853776:49,819,809C/T—uncertain significance
rs7625283166:49,819,829C/G—uncertain significance
rs7548014256:49,819,838T/C—uncertain significance
rs1386993946:49,819,840C/A—uncertain significance
rs5582274646:49,837,074G/T——
rs5634404606:49,843,503C/T——

Gene information from NCBI Gene. Variant classifications from ClinVar.