Membrane transport proteins that transduce free energy stored in electrochemical ion gradients into a concentration gradient are a major class of membrane proteins. We report the crystal structure at ...

Lactose is a sugar found primarily in milk and other dairy products. At an early age, bodies are able to break down and digest lactose from breastmilk and certain formulas using an enzyme called ...

An individual can develop lactose intolerance at any age. It can be present from birth, when a person does not produce enough lactase due to a genetic feature. But, it can appear at any age. The ...

Millions worldwide struggle with dairy due to lactose intolerance, a common condition influenced by genetics, age, and gut health. While some are born with it, others develop it as enzyme levels drop.

Lactose permease (LacY) of Escherichia coli stands as a prototype of the major facilitator superfamily, employing the energy of a proton gradient to mediate the uptake of sugars against their ...