active centre

British  

noun

1. Also called: active site.  biochem the region in an enzyme molecule in which the reactive groups that participate in its action are juxtaposed

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Example Sentences

Olga Mayans and Jennifer Fleming created a three-dimensional model of its enzyme structure and active centre to understand the reaction pathway.

From Science Daily • Nov. 10, 2023

By 1700 Boston had already overtaken Oxford and Cambridge to become the second most active centre of publishing of English books after London.

From BBC • Nov. 25, 2013

Thenceforth it has been an active centre for the teaching and for the encouragement of the study of diplomatic throughout the country, and has produced results which other nations may envy.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" by Various

Of this widespread commotion London was the active centre; and there a judgment of God, called the plague, had, in the year 1625, desolated whole streets.

From The Continental Monthly, Vol. 4, No. 4, October, 1863 Devoted to Literature and National Policy by Various

No more urgent necessity had ever arisen than this present, and One-Tree Pass for once in its life became the active centre of the island.

From White Fire by Oxenham, John