ID 1.1.1.404 DE Tetrachlorobenzoquinone reductase. AN TCBQ reductase. CA 2,3,5,6-tetrachlorohydroquinone + NAD(+) = 2,3,5,6-tetrachloro-1,4- CA benzoquinone + NADH. CF FMN. CC -!- The enzyme, characterized from the bacterium Sphingobium CC chlorophenolicum, participates in the degradation of CC pentachlorophenol. DR Q47914, PCPD_SPHCR ; //