Predicted to enable identical protein binding activity and proton-transporting ATPase activity, rotational mechanism. Predicted to be involved in positive regulation of Wnt signaling pathway. Predicted to be part of vacuolar proton-transporting V-type ATPase, V1 domain. Orthologous to human ATP6V1C2 (ATPase H+ transporting V1 subunit C2). [provided by Alliance of Genome Resources, Apr 2022]