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. 2000 Mar;66(3):1213–1215. doi: 10.1128/aem.66.3.1213-1215.2000

FIG. 1.

FIG. 1

Inhibition of PCR by type I collagen. Type I collagen from calf skin was added to 50 μl of PCR mix in the presence of 3.5 mM MgCl2 at the concentrations indicated above the gel. The positions of molecular size markers (M) are shown on the left. The arrow indicates the position of the 599-bp DNA fragment.