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Lectin. Lectins are carbohydrate -binding proteins that are highly specific for sugar groups that are part of other molecules, so cause agglutination of particular cells or precipitation of glycoconjugates and polysaccharides. Lectins have a role in recognition at the cellular and molecular level and play numerous roles in biological ...
Tomatoes. Tomatoes, along with eggplant and peppers, are part of a food group called nightshades, which tend to be higher in lectins. But in tomatoes, much of the lectin content is found in the ...
Lectin-free diet. The Lectin-free diet (also known as the Plant Paradox diet) is a fad diet promoted with the false claim that avoiding all foods that contain high amounts of lectins will prevent and cure disease. [1] There is no clinical evidence the lectin-free diet is effective to treat any disease and its claims have been criticized as ...
Collectin. Collectins ( collagen-containing C-type lectins) are a part of the innate immune system. They form a family of collagenous Ca 2+ -dependent defense lectins, which are found in animals. Collectins are soluble pattern recognition receptors (PRRs). Their function is to bind to oligosaccharide structure or lipids that are on the surface ...
The legume lectins (or L-type lectins) are a family of sugar-binding proteins or lectins found in the seeds and, in smaller amounts, in the roots, stems, leaves and bark of plants of the family Fabaceae. [2] [3] The exact function of the legume lectins in vivo is unknown but they are probably involved in the defense of plants against predators.
Siglecs (Sialic acid-binding immunoglobulin-type lectins) are cell surface proteins that bind sialic acid. They are found primarily on the surface of immune cells and are a subset of the I-type lectins. There are 14 different mammalian Siglecs, providing an array of different functions based on cell surface receptor-ligand interactions.
A C-type lectin ( CLEC) is a type of carbohydrate-binding protein known as a lectin. [3] The C-type designation is from their requirement for calcium for binding. [4] Proteins that contain C-type lectin domains have a diverse range of functions including cell-cell adhesion, immune response to pathogens and apoptosis. [5] [6]
In molecular biology, the leguminous lectin family is a family of lectin proteins . It is one of the largest lectin families with more than 70 lectins reported in a review in 1990. [1] Leguminous lectins consist of two or four subunits, each containing one carbohydrate-binding site. The interaction with sugars requires tightly bound calcium and ...