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

---

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

During the Civil War, until its temporary occupation by Federal forces in 1863, and subsequent effective blockade, it was an active centre of operations of Confederate blockade runners.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" by Various

It was an active centre of mining, and became a stannary or coinage town.

From The Cornwall Coast by Salmon, Arthur L. (Arthur Leslie)