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

The most active centre of development then gradually shifted eastward again, while the older centres were perhaps submerged during the physical changes in the distribution of land and water.

From The History of the European Fauna by Scharff, Robert Francis

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

This base at Dunkirk remained an active centre for our seaplane and aeroplane work throughout the war, and did much to defeat the German plans.

From The War in the Air; Vol. 1 The Part played in the Great War by the Royal Air Force by Raleigh, Walter Alexander, Sir