Predicted to enable signaling receptor binding activity. Predicted to act upstream of or within maintenance of synapse structure; motor learning; and neuron remodeling. Predicted to be located in several cellular components, including climbing fiber; presynapse; and synaptic cleft. Predicted to be active in extracellular space. Orthologous to human C1QL1 (complement C1q like 1). [provided by Alliance of Genome Resources, Apr 2022]