Enables molecular adaptor activity. Involved in several processes, including positive regulation of cytokine production; positive regulation of signal transduction; and toll-like receptor signaling pathway. Located in phagocytic vesicle. Part of receptor complex. Colocalizes with filopodium and ruffle. Orthologous to human SCIMP (SLP adaptor and CSK interacting membrane protein). [provided by Alliance of Genome Resources, Apr 2022]