Definition of active site
: a region on the surface of an enzyme whose shape permits binding only of a specific molecular substrate that then undergoes catalysis
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Recent Examples of active site from the Web
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The two churches were able to retain their names and will continue as active sites of the new parish.
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The nation’s active sites get an average of 8,700 requests to access their stocks annually, according to Peter Bretting, who oversees the system.
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Citrus samples are sent from the USDA active site collection in Riverside, California.
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This method revealed five particular amino acids that comprise the likely active site.
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At these active sites, crop species experts evaluate, grow and distribute germplasm to researchers, professors and breeders worldwide.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'active site.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of active site
1957
Medical Dictionary
active site
medical Definition of active site
: a region especially of a biologically active protein (as an enzyme) where catalytic activity takes place and whose shape permits the binding only of a specific reactant molecule
Learn More about active site
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Britannica.com: Encyclopedia article about active site
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