Extended Data Fig. 2: NMR of cholic acid-7-sulfate.
From: Bariatric surgery reveals a gut-restricted TGR5 agonist with anti-diabetic effects
a, 1H NMR of authentic sample of cholic acid-7-sulfate (CA7S) (Cayman Chemical). b, 1H NMR of CA7S purified from the cecal contents of SG mice. Signals between 3.7 to 4.4 ppm are diagnostic of CA7S. Impurities are denoted by asterisks.
