1.13.11.64 4-nitro-6-oxohepta-2,4-dienedioate - Bradyrhizobium sp. 2-oxo-3-(5-oxofuran-2-ylidene)propanoate + nitrite 2nd step of reaction, spontaneous ? 420066 1.13.11.64 5-chlorosalicylate + O2 - Bradyrhizobium sp. 2-oxo-3-(5-oxofuran-2-ylidene)propanoate + chloride overall reaction ? 420101 1.13.11.64 5-nitrosalicylate + O2 oxidation catalyzed by cell extracts requires 0.97 mol O2/mol 5-nitrosalicylate Bradyrhizobium sp. 2-oxo-3-(5-oxofuran-2-ylidene)propanoate + nitrite overall reaction ? 420127 1.13.11.64 5-nitrosalicylate + O2 results are consistent with a dioxygenase-catalyzed ring opening followed by spontaneous lactonization and nitrite elimination and enzyme-catalyzed hydrolysis of the lactone to produce maleylpyruvate Bradyrhizobium sp. 2-oxo-3-(5-oxofuran-2-ylidene)propanoate + nitrite overall reaction. The initial ring fission product of 5-nitrosalicylate dioxygenation is spontaneously and rapidly cyclized to form lactones, accompanied by the release of NO2- ? 420127 1.13.11.64 5-nitrosalicylate + O2 - Bradyrhizobium sp. 4-nitro-6-oxohepta-2,4-dienedioate 1st step of reaction ? 420128 1.13.11.64 additional information no substrates: 4-chlorocatechol, 4-nitrocatechol Bradyrhizobium sp. ? - ? 89 1.13.11.64 salicylate + O2 - Bradyrhizobium sp. ? - ? 421487