taurine + pyruvate + NADH + H(+) => tauropine + NAD(+) + H2O
taurine + pyruvate + nadh + h(+) => tauropine + nad(+) + h2o
taurine + pyruvate + NADH + H(+) => tauropine + NAD(+) + H2O
taurine + pyruvate + nadh + h(+) => tauropine + nad(+) + h2o