Dioclea grandiflora
Encyclopedia
Dioclea grandiflora is a species of legume
Fabaceae
The Fabaceae or Leguminosae, commonly known as the legume, pea, or bean family, is a large and economically important family of flowering plants. The group is the third largest land plant family, behind only the Orchidaceae and Asteraceae, with 730 genera and over 19,400 species...

 native to the Americas.
The seeds of Dioclea grandiflora contain a well-characterized lectin
Lectin
Lectins are sugar-binding proteins that are highly specific for their sugar moieties. They play a role in biological recognition phenomena involving cells and proteins. For example, some viruses use lectins to attach themselves to the cells of the host organism during infection...

 named DGL which is similar to other legume lectin
Legume lectin
The legume 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 belonging to the Fabaceae family. The exact function of the legume lectins in vivo is unknown but they are probably involved in the defense...

s.
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