Purification, some properties and the specific biological activity of cytochromes <i>c</i>4 and <i>c</i>5 from <i>Azotobacter vinelandii</i>

Abstract

urine, particularly the kynurenine derivatives. Bladder-cancer patients dosed with tryptophan excreted larger amounts of anthranilic acid, 3- hydroxyanthranilic acid and 3-hydroxykynurenine.