Capuramycins are antimycobacterial antibiotics that consist of a modified nucleoside named uridine-5′-carboxamide (CarU). Previous biochemical studies have revealed that CarU is derived from UMP, ...

This is a preview. Log in through your library . Abstract Vitamin B₆ is an essential metabolic cofactor that has more functions in humans than any other single nutrient. Its de novo biosynthesis ...

Pyridoxal 5′-phosphate—the bioactive form of vitamin B 6 —is a cofactor in many enzymatic reactions. It was first prepared in 1944 by I. C. Gunsalus and co-workers at Cornell University. Some people ...

Autoantibodies against many proteins are common in sera from patients with various types of cancer. These antibodies are sometimes involved in the development of conditions associated with cancer, ...