Enables interleukin-10 binding activity and interleukin-10 receptor activity. Involved in regulation of synapse organization and response to lipopolysaccharide. Colocalizes with plasma membrane. Human ortholog(s) of this gene implicated in inflammatory bowel disease 28. Orthologous to human IL10RA (interleukin 10 receptor subunit alpha). [provided by Alliance of Genome Resources, Apr 2022]