Predicted to enable actin filament binding activity. Predicted to be involved in cellular response to starvation; negative regulation of TORC1 signaling; and protein localization to lysosome. Predicted to be located in postsynaptic actin cytoskeleton. Predicted to be part of KICSTOR complex and filamentous actin. Predicted to be active in lamellipodium. Human ortholog(s) of this gene implicated in autosomal recessive non-syndromic intellectual disability. Orthologous to human KPTN (kaptin, actin binding protein). [provided by Alliance of Genome Resources, Apr 2022]