Transports sulfoconjugated steroid hormones, as well as taurolithocholic acid-3-sulfate and sulfoconjugated pyrenes in a sodium-dependent manner.
Membrane ; Multi-pass membrane protein .
Highly expressed in testis, placenta and pancreas. Moderately expressed in heart, lung and mammary gland. Weakly expressed in brain, colon, kidney, liver, ovary, prostate, small intestine, spleen and thymus.