lectin

American  

[lek-tin] / ˈlɛk tɪn /

noun

Biochemistry.

1. any of a group of proteins that bind to particular carbohydrates in the manner of an antibody and are commonly extracted from plants for use as an agglutinin, as in clumping red blood cells for blood typing.

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lectin British  

/ ˈlɛktɪn /

noun

1. a type of protein possessing high affinity for a specific sugar; lectins are often highly toxic

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Etymology

Origin of lectin

1954; < Latin lēct ( us ), past participle of legere to gather, select, read + -in ²

Example Sentences

See Examples For:

lectin

They could also exchange the lectin portion to target other immunosuppressive glycans, or use antibodies that target checkpoint proteins such as PD-1.

From Science Daily ● Dec. 23, 2025

To create the AbLec, they replaced one arm of the antibody with a lectin, choosing either Siglec-7 or Siglec-9.

From Science Daily ● Dec. 23, 2025

Kidney beans contain a protein called lectin that can lead to nausea, vomiting and diarrhea if they're consumed raw or undercooked.

From Salon ● Sep. 10, 2022

Handcuffed to the lectin, the insulin can’t bind to insulin receptors.

From New York Times ● Nov. 13, 2014

The beauty of this approach is that it permits the insulin to latch directly onto the sugar-loving lectin in the gel — but only as needed.

From New York Times ● Nov. 13, 2014