Predicted to enable metalloendopeptidase activity. Predicted to be involved in several processes, including collagen catabolic process; extracellular matrix organization; and proteolysis. Predicted to be located in endoplasmic reticulum membrane and extracellular matrix. Predicted to be integral component of membrane. Predicted to be active in extracellular space. Orthologous to human MMP23B (matrix metallopeptidase 23B). [provided by Alliance of Genome Resources, Apr 2022]