Enables identical protein binding activity. Involved in several processes, including animal organ development; response to estrogen; and response to vitamin B3. Located in extracellular space. Biomarker of gastric ulcer; in situ carcinoma; myocardial infarction; nephrosis; and pulmonary hypertension. Human ortholog(s) of this gene implicated in brain ischemia; diabetic retinopathy; and hypertension. Orthologous to human ANGPT1 (angiopoietin 1). [provided by Alliance of Genome Resources, Apr 2022]