Enables peptide binding activity. Acts upstream of or within response to lipopolysaccharide. Predicted to be located in membrane and neuron projection. Predicted to be active in plasma membrane. Is expressed in several structures, including alimentary system; brain; genitourinary system; immune system; and liver and biliary system. Human ortholog(s) of this gene implicated in end stage renal disease; hypertension; and pulmonary fibrosis. Orthologous to human BDKRB1 (bradykinin receptor B1). [provided by Alliance of Genome Resources, Apr 2022]