Figure 1From: Evolutional selection of a combinatorial phage library displaying randomly-rearranged various single domains of immunoglobulin (Ig)-binding proteins (IBPs) with four kinds of Ig moleculesDetection of inserted fragments of phage clones in each round of hIgG selection library by PCR. PCR products were analyzed by electrophoresis in 1.2% agarose gel and detected by staining with ethidium bromide. No. 1 to 22: randomly picked phage clones; M: DL2000 Marker; C: positive control (pCANTAB5S vector); B: negative control (blank culture medium); I, II, III, IV: the first to the fourth round of selection respectively.Back to article page