Clue: Poisonous protein in the castor bean
Poisonous protein in the castor bean is a crossword puzzle clue that we have spotted 4 times. There are related clues (shown below).
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Recent usage in crossword puzzles:
- Universal Crossword - Jan. 20, 2016
- Pat Sajak Code Letter - Sept. 5, 2015
- USA Today - March 7, 2014
- New York Times - Aug. 1, 1993
