calpain

[ kal-peyn ]
/ ˈkæl peɪn /

noun Biochemistry.

a protein that is activated by calcium ions in some synapses and in erythrocytes can affect proteins important in determining cellular shape and deformability; a calcium-activated neutral protease.

QUIZZES

DIVE INTO THIS BALMY SUMMERTIME SPELLING QUIZ

Do you often fall under the spell of the summer season? See if you can really spell your way through it with this quiz of popular summertime words.
Question 1 of 12
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020