(DNMP), (DNMP), DNA polymerase I P-P DNTP Mg2+ (DNMP), (DNMP), +1 Deoxyribonucleoside triphosphates (ДATP, dTTP, GCТР, dGTP) DNA template (DNMP), and a portion of its Inorganic pyrophosphate Complement to template strand is extended by one nucleotide (n + 1) complement (DNMP), FIGURE 11.7 The chemical reaction catalyzed by DNA polymerase I. During each step, a single nucleotide is added to the growing complement of the DNA template, using a nucleoside triphosphate as the substrate. The release of inorganic pyrophosphate drives the reaction energetically.

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