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

There is an active centre of distribution in South-eastern Europe itself, from which species radiate out in all directions.

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

New Orleans is not so large; its active centre is very small.

From Bonaventure A Prose Pastoral of Acadian Louisiana by Cable, George Washington

We know that Lisbon had long been an active centre of trade with the Hanse Towns, Flanders, and England.

From Prince Henry the Navigator, the Hero of Portugal and of Modern Discovery, 1394-1460 A.D. With an Account of Geographical Progress Throughout the Middle Ages As the Preparation for His Work. by Beazley, C. Raymond