Predicted to enable signaling receptor activity. Predicted to be involved in several processes, including angiotensin maturation; nervous system development; and regulation of signal transduction. Located in several cellular components, including apical plasma membrane; cell body; and extracellular space. Biomarker of hypertension. Human ortholog(s) of this gene implicated in X-linked parkinsonism-spasticity syndrome; congenital disorder of glycosylation type II; and syndromic X-linked intellectual disability Hedera type. Orthologous to human ATP6AP2 (ATPase H+ transporting accessory protein 2). [provided by Alliance of Genome Resources, Apr 2022]