active center

(redirected from catalytic center)
Also found in: Medical.

active center

[′ak·tiv ′sen·tər]
(astronomy)
A localized, transient region of the solar atmosphere in which sunspots, faculae, plages, prominences, solar flares, and so forth are observed.
(biochemistry)
A flexible portion of an enzyme that binds to the substrate and converts it into the reaction product.
In carrier and receptor proteins, the portion of the molecule that interacts with the specific target compounds.
(chemistry)
Any one of the points on the surface of a catalyst at which the chemical reaction is initiated or takes place.
References in periodicals archive ?
The rewarding collaboration with Bayer MaterialScience and Bayer Technology Services as part of the CAT Catalytic Center, laid the foundations for this consortium.
The catalysis has been developed at the CAT Catalytic Center at the RWTH Aachen University.
In this context, the catalytic center will be equipped with new furniture and furnishings for the technical conference and seminar rooms.
the catalytic center should be equipped with laboratory equipment.
Now, concern about the consumption and disposal of the heavy and/or rare metals that are used as the homogeneous catalytic centers, have convinced ever more scientists to look again at heterogeneous catalysis.
At the American Chemical Society's national meeting in San Francisco, Shelnutt delivered a series of papers on his team's work with metalloporphyrins, a class of compounds that serve as the catalytic centers for cytochrome P-450 proteins.