Primer extension experiments with <i>KlenTaq</i> wild-type and mutants.

<p>A) Primer and template sequence. The radioactively labelled primer is either 3’ matched or mismatched depending on the template. B) PAGE of primer extension, P = primer, A = match case template, G = mismatch case template. Mutants and <i>KlenTaq</i> wild-type as indicated.