protease

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See also: protéase

English[edit]

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Etymology[edit]

prote(in) +‎ -ase

Pronunciation[edit]

Noun[edit]

protease (plural proteases)

  1. (biochemistry) An enzyme that cuts or cleaves proteins.
    • 1903 November 2, S. G. Hedin, “On the presence of a proteolytic enzyme in the normal serum of the ox”, in The Journal of Physiology, volume 30, number 2, page 195:
      As a matter of fact the casein protease digests boiled and coagulated serum far more easily than unboiled serum, as set forth by the following experiments.
    • 1948 September 20, Margaret R. McDonald, “A method for the preparation of "protease-free" crystalline ribonuclease”, in Journal of General Physiology, volume 32, number 1, page 39:
      All were tested for their ability to clot milk and to hydrolyze denatured hemoglobin, egg albumin, protamine (salmon), histone (calf thymus), and benzoyl-l-arginineamide. In no case was any trace of protease activity detected.

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Portuguese[edit]

Etymology[edit]

From proteína (protein) +‎ -ase.

Noun[edit]

protease f (plural proteases)

  1. (biochemistry) protease (any of a group of enzymes that cleave proteins)