Predicted to enable complement component C1q complex binding activity and low-density lipoprotein particle binding activity. Predicted to be involved in complement activation, classical pathway; innate immune response; and negative regulation by host of viral process. Predicted to be located in extracellular region. Predicted to be active in extracellular space. Orthologous to human MPTX1 (mucosal pentraxin 1 (pseudogene)). [provided by Alliance of Genome Resources, Apr 2022]