Jin, Y.; Stayrook, S.E.; Albert, J.H.; Palackal, N.T.; Penning, T.M.; Lewis, M.
Crystal structure of human type III 3alpha-hydroxysteroid dehydrogenase/bile acid binding protein complexed with NADP(+) and ursodeoxycholate (2001), Biochemistry, 40, 10161-10168.