Definition of Ricin
1. Noun. A toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon. "One milligram of ricin can kill an adult"
Definition of Ricin
1. a poisonous protein [n -S]
Medical Definition of Ricin
1.
Highly toxic lectin (66 kD) from seeds of the castor bean, Ricinus communis. Has toxic A subunit (32 kD), carbohydrate binding B subunit (34 kD). Toxic subunit inactivates ribosomes and the binding subunit is specific for _ galactosyl residues.
This entry appears with permission from the Dictionary of Cell and Molecular Biology
(11 Mar 2008)
Lexicographical Neighbors of Ricin
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