SLO3 auxiliary subunit LRRC52 controls gating of sperm KSPER currents and is critical for normal fertility.

Abstract excerpt

Following entry into the female reproductive tract, mammalian sperm undergo a maturation process termed capacitation that results in competence to fertilize ova. Associated with capacitation is an increase in membrane conductance to both Ca(2+) and K(+), leading to an elevation in cytosolic Ca(2+) critical for activation of hyperactivated swimming motility. In mice, the Ca(2+) conductance (alkalization-activated...

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