1.97.1.9 selenite + H2O + acceptor = selenate + reduced acceptor active site molybdenum 1.97.1.9 selenite + H2O + acceptor = selenate + reduced acceptor electron transport mechanism 1.97.1.9 selenite + H2O + acceptor = selenate + reduced acceptor selenate transport mechanism 1.97.1.9 selenite + H2O + acceptor = selenate + reduced acceptor A number of compounds, including acetate, lactate, pyruvate, and certain sugars, amino acids, fatty acids, di- and tricarboxylic acids, and benzoate can serve as electron donors