4-methyl-2-oxopentanoate + L-kynurenine <=> kynurenate + L-leucine + H2O
4-methyl-2-oxopentanoate + l-kynurenine <=> kynurenate + l-leucine + h2o
4-methyl-2-oxopentanoate + L-kynurenine <=> kynurenate + L-leucine + H2O
4-methyl-2-oxopentanoate + l-kynurenine <=> kynurenate + l-leucine + h2o