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. 2001 Jul;125(1):80–88. doi: 10.1046/j.1365-2249.2001.01521.x

Fig. 1.

Fig. 1

IL-6 SfaNI restriction pattern. M = 100 bp ladder; Lanes 1–6 are patient samples. a: PCR products before SfaNI restriction. b: PCR products after SfaNI restriction. Lane 1 homozygous for the absence of the SfaNI restriction site (198 bp); Lane 2: homozygous for the presence of the SfaNI restriction site (140/58 bp); Lane 3: heterozygous for the presence and absence of the SfaNI restriction site (198 and 140/58 bp).