Predicted to enable several functions, including Wnt-protein binding activity; frizzled binding activity; and heparin binding activity. Involved in several processes, including cellular response to X-ray; cellular response to estrogen stimulus; and negative regulation of B cell differentiation. Acts upstream of or within several processes, including animal organ development; chordate embryonic development; and regulation of signal transduction. Located in extracellular space. Is expressed in several structures, including alimentary system; central nervous system; genitourinary system; heart; and sensory organ. Orthologous to human SFRP1 (secreted frizzled related protein 1). [provided by Alliance of Genome Resources, Apr 2022]