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Meaning of guanine deaminase

gua'nine deam'inase

Pronunciation: [key]
— Biochem. Biochem.
  1. an enzyme, found in liver, brain, spleen, pancreas, and kidney, that converts guanine into xanthine and ammonia.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.