MGI:1921173Homozygotes for a null allele show prenatal lethality, stunted growth, delayed osteogenesis, craniofacial anomalies, impaired coordination and spatial memory, altered Ca2+ homeostasis, and reduced survivor rate. Homozygotes for another null allele show female subfertility, impaired ovarian folliculogenesis, premature ovarian failure, and altered endoplasmic reticulum Ca2+ homeostasis in granulosa cells.