Researchers at the Scripps Research Institute have solved a 10-year-old mystery of how a single protein from an ancient family of enzymes can have two completely distinct roles in the body. In ...

Scientists crack mystery of protein's dual function Date: December 14, 2009 Source: Scripps Research Institute Summary: Researchers have solved a 10-year-old mystery of how a single protein from ...

TrpRS was found to exist in two different forms, allowing it to either add tryptophan to a protein chain or inhibit angiogenesis, as reported in a Nature journal. Scientists from The Scripps ...

Tryptophan is used by the body to build proteins, muscles, enzymes and neurotransmitters. What’s left, the study published in the Journal of Clinical Investigation revealed, may be broken down ...

Tryptophan is a naturally occurring amino acid found in many foods. We explain what it does, how it impacts your health, and what to know about supplements.

Tryptophan is an essential amino acid that plays a role in the production of serotonin, melatonin, niacin, and nicotinamide. Learn which foods to eat to get more tryptophan.

L-tryptophan can boost serotonin levels, but research hasn't shown it is effective for treating depression. There is limited research to back these claims and studies show mixed results in ...

Tryptophan achieves its effects by way of serotonin, one of the key brain chemicals involved in regulating mood. Among other functions, serotonin promotes feelings of calm, relaxation, and sleepiness.