base analog


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base analog

Etymology: Gk, basis + analogos, proportionate
a chemical analog of one of the purine or the pyrimidine bases normally found in RNA or DNA.
References in periodicals archive ?
In addition, hydrophobic base analogs are well recognized by polymerases, because an aromatic amino acid residue in the polymerases stacks with an incoming substrate base.
Similar to Ds, Dss retained the same shape complementarity toward the pyrrole base analogs of Pa, Pn, and Px, and these Dss-Pa, Dss-Pn, and Dss-Px pairs also functioned as a third base pair in replication and transcription.