Function
Functions during spermatogenesis as a chaperone for a range of client proteins that are important for sperm adhesion onto the egg zona pellucida and for subsequent penetration of the zona pellucida. Required for normal sperm migration from the uterus into the oviduct. Required for normal male fertility. Binds calcium ions (By similarity).
Cellular_Location
Endoplasmic reticulum membrane; Single-pass type I membrane protein
Tissue_Location
Detected in testis (at protein level). Detected in testis.
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