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. 2003 May;14(5):1978–1992. doi: 10.1091/mbc.E02-08-0548

Figure 9.

Figure 9.

Dot-blot overlay assays of recombinant purified monomeric or polymerized IF proteins with radiolabeled fragments of the tail of DP. Left, 35[S]-radiolabeled c-myc–tagged recombinant forms of DP, DP-BCS2849G, DP-CS2849G, or DP-CΔ51 were generated by coupled in vitro transcription/translation and analyzed by SDS-PAGE and autoradiography. Right, identical amounts (1 μg) of monomeric or polymerized IF proteins were immobilized on a nitrocellulose membrane by dot blotting and incubated with 35[S]-radiolabeled DP-BCS2849G, DP-CS2849G, or DP-CΔ51. Protein loading was verified by amino-black staining of the spotted proteins. Overlay assays using recombinant protein DP-BC yielded results identical to those with DP-BCS2849G (not shown).