Predicted to enable heparin binding activity. Predicted to be an extracellular matrix structural constituent. Predicted to be involved in several processes, including cell-matrix adhesion; collagen fibril organization; and notochord development. Predicted to act upstream of or within endochondral ossification. Predicted to be part of collagen trimer. Predicted to be active in cell-cell junction; extracellular matrix; and extracellular space. Human ortholog(s) of this gene implicated in congenital myasthenic syndrome 19. Orthologous to human COL13A1 (collagen type XIII alpha 1 chain). [provided by Alliance of Genome Resources, Apr 2022]