lactam

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Related to Beta-lactam Ring: beta-lactamase

lactam

[′lak‚tam]
(organic chemistry)
An internal (cyclic) amide formed by heating gamma (γ) and delta (δ) amino acids; thus γ-aminobutyric acid readily forms γ-butyrolactam (pyrrolidone); many lactams have physiological activity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Beta lactam is a class of broad-spectrum antibiotics, consisting of all antibiotic agents that contain a beta-lactam ring in their molecular structures.
The acquisition will help us leverage our expertise in beta lactam manufacturing segment." (Beta lactam is a class of broad-spectrum antibiotics, consisting of all antibiotic agents that contain a beta-lactam ring in their molecular structures.)
* The first wave began in mid-1940s with emergence of penicillin-resistance, because of plasmid encoded penicillinase that hydrolyses the beta-lactam ring of penicillin essential for its antimicrobial activity.

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