Predicted to enable PDZ domain binding activity. Predicted to be involved in negative regulation of endopeptidase activity. Predicted to act upstream of or within negative regulation of BMP signaling pathway. Predicted to be located in extracellular region. Predicted to be integral component of membrane. Orthologous to human CRIM1 (cysteine rich transmembrane BMP regulator 1). [provided by Alliance of Genome Resources, Apr 2022]