Is enriched in body wall muscle cell; germ line; and neurons based on tiling array and RNA-seq studies. Is affected by several genes including daf-2
; and eat-2
based on microarray and RNA-seq studies. Is affected by five chemicals including rotenone; D-glucose; and allantoin based on RNA-seq studies. Is predicted to encode a protein with the following domains: Clathrin adaptor complex small chain; Longin-like domain superfamily; Adaptor protein complex, sigma subunit; and AP complex, mu/sigma subunit. Is an ortholog of human AP3S1 (adaptor related protein complex 3 subunit sigma 1) and AP3S2 (adaptor related protein complex 3 subunit sigma 2).