Enables cysteine-S-conjugate beta-lyase activity and glutamine-phenylpyruvate transaminase activity. Involved in L-kynurenine metabolic process and pyruvate metabolic process. Located in cytosol and mitochondrion. Orthologous to human KYAT1 (kynurenine aminotransferase 1). [provided by Alliance of Genome Resources, Apr 2022]