By eliminating the essential amino acid cysteine from the diets of mice, and disabling their ability to produce it, ...

They found that mice lacking the cystathionine γ-lyase enzyme experienced the most significant weight loss, nearly 31%, on ...

Proteins are among the most studied molecules in biology, yet new research from the University of Göttingen shows they can ...

BLONZ: Are arginine and L-arginine the same thing? What does the "L" stand for? Thank you.-- V.E., Dover, Delaware.

Natural enzymes are remarkable molecular machines that enable all sorts of essential biochemical reactions. For decades, ...