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active centre

British  

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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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

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

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

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

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

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