Predicted to enable BMP binding activity. Predicted to be involved in embryonic skeletal system development and negative regulation of SMAD protein signal transduction. Predicted to act upstream of or within negative regulation of osteoblast differentiation. Predicted to be located in aggresome and perinuclear region of cytoplasm. Predicted to be active in extracellular matrix and extracellular space. Orthologous to human UCMA (upper zone of growth plate and cartilage matrix associated). [provided by Alliance of Genome Resources, Apr 2022]