| abstract |
α-Hydroxy-γ-carboxymuconic acid-ε-semialdehyde dehydrogenase, a gene encoding the enzyme, a recombinant vector containing the gene and a transformant carrying the gene, and processes for producing the enzyme and 2-pyrone-dicarboxylic acid by using the transformant. n Use of the transformant can produce α-hydroxy-γ-carboxymuconic acid-ε-semialdehyde dehydrogenase in a large amount, thereby permitting industrial production of 2-pyrone-4,6-dicarboxylic acid. |