taurochenodeoxycholate + reduced [NADPH--hemoprotein reductase] + O2 = taurohyocholate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
taurochenodeoxycholate + reduced [nadph--hemoprotein reductase] + o2 = taurohyocholate + oxidized [nadph--hemoprotein reductase] + h2o + h(+)