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 ...

What Are Dairy Allergy and Lactose Intolerance? Lactose intolerance and dairy allergy sound a lot alike. Many people think they’re the same thing. But their causes and their effects on your body are ...

If you are lactose intolerant, you typically experience digestive symptoms, including bloating, diarrhea, and other symptoms, after consuming lactose. Lactose is a type of sugar found naturally in the ...

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 ...