active center


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ac·tive cen·ter

the part of a macromolecule at which a substrate or ligand, on binding, produces biologic activity; for an enzyme, this is the catalytic center, the site on an enzyme that catalyzes the reaction.
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On the other hand, the steric hindrance of the crown ether ring would shield the active center, which is not advantageous to the formation of the active oxygen affinity species and the inclusion to the substrate.
The ACTIVE Center was ready for use in early February 2014, and we moved several classes from regular classrooms into the new space, including my undergraduate introduction to AI (CMSC 471).
The basin is the most active center of carbon dioxide (C[O.
The Lancer Evolution VII, with an engine capacity of 2000 cc, features a newly developed Active Center Differential (ACD), which ''brings better handling response and traction,'' it said.
After cross-cutting, the active center winder is accelerated in order to achieve the necessary intermediate space for the winder change.
Green plants do it with the help of a cluster of 100 to 200 chlorophyll molecules, or "antennae pigments," to harvest light energy and transfer it to an active center where the first steps of photo-synthesis occur.
Tim Duncan might be the NBA's second-best active center, but he's playing power forward and isn't subject to the nightly abuse O'Neal takes.
have found such evidence in the form of a pattern of velocities indicating a flow of matter out of the active center of that galaxy.
Contract notice: active center selm, bus stop school center, - landscaping and civil engineering works.
They also saw something completely unexpected: a "finger" of the helper factor protein that pokes into the enzyme's active center.
Contract notice: Planning services according to 47 hoai for traffic facilities in the assisted area lichtenrade bahnhofstrasse active center.
An active center of research and training, the Institute maintains affiliations with more than 39 universities, hospitals and human services agencies in the U.