1.21.99.5 tetrachloroethene + 2 reduced acceptor - 1.21.99.5 tetrachloroethene + 2 reduced acceptor terminal component of the respiratory chain 1.21.99.5 tetrachloroethene + 2 reduced acceptor via trichloroethene, enables growth on tetrachloroethene as sole energy source 1.21.99.5 tetrachloroethene + reduced acceptor - 1.21.99.5 tetrachloroethene + reduced acceptor PCE reductase is the final enzyme of the perchloroethene respiratory chain that catalyzes the reductive cleavage of a carbon chlorine bond 1.21.99.5 tetrachloroethene + reduced acceptor PCE, physiological electron donor is not known 1.21.99.5 trichloroethene + chloride + acceptor - 1.21.99.5 trichloroethene + reduced acceptor - 1.21.99.5 trichloroethene + reduced acceptor physiological electron donor is not known