base analog

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base analog

[′bās ′an·ə‚läg]
(cell and molecular biology)
A molecule similar enough to a purine or pyrimidine base to substitute for the normal bases, resulting in abnormal base pairing.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
(2010) A unique fluorescent base analogue for the expansion of the genetic alphabet.
Mishra, Synthesis, Characterization and Biological Activity of Schiff Base Analogues of indole-3- Carboxaldehyde.