lactam

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Related to Beta-lactam Ring: beta-lactamase

lac·tam

 (lăk′tăm)
n.
A cyclic amide, or any compound containing it, formed by the intramolecular condensation of an amino carboxylic acid.

lactam

(ˈlæktæm)
n
(Elements & Compounds) chem any of a group of inner amides, derived from amino acids, having the characteristic group -CONH-
[C20: from lact(one) + am(ide)]

lac•tam

(ˈlæk tæm)

n.
any of a group of cyclic amides characterized by the NHCO group.
[1880–85; lact (one) + am (ide)]
References in periodicals archive ?
Beta-lactamases are enzymes that cleave the beta-lactam ring, opening up the structure and destroying the ability of the beta-lactam to bind to its target.
Beta-lactamases are enzymes that inactivate beta-lactam antibiotics, hydrolyzing the beta-lactam ring, a molecular structure common to these drugs.
Penicillins, as well as other beta-lactam antibiotics such as cephalosporins, carbapenems, and monobactams, contain a beta-lactam ring (2).

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