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active centre

(biochem) the region in an enzyme molecule in which the reactive groups that participate in its action are juxtaposed Also called active site
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Examples from the Web for active centre
Historical Examples
  • New Orleans is not so large; its active centre is very small.


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

    The Cornwall Coast Arthur L. Salmon
  • This active centre of the thoughts of a century, was sustained during the whole time by the storm of perpetual political conflict.

    History of the Girondists, Volume I Alphonse de Lamartine
  • They were zealous Buddhists, and under their rule Magadha became once more an active centre of Buddhist influence.

  • An active centre of origin appears to exist in South-eastern Europe, from which the species radiate out in all directions.

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

  • At Thebes, then, was the active centre of the influence that drew my friend away from modern things.

    Incredible Adventures Algernon Blackwood
  • Wallingford, six miles above Streatley, is a very ancient town, and has been an active centre for the making of English history.

    Three Men in a Boat Jerome K. Jerome

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