Acts upstream of or within negative regulation of stress fiber assembly. Predicted to be located in several cellular components, including axon; dendrite; and focal adhesion. Predicted to be part of protein-containing complex. Predicted to be active in presynaptic active zone. Is expressed in several structures, including blood vessel endothelium; central nervous system; genitourinary system; retina; and spleen. Orthologous to human PPFIA1 (PTPRF interacting protein alpha 1). [provided by Alliance of Genome Resources, Apr 2022]