In vivo and in vitro evidence that the four essential intermediate filament (IF) proteins A1, A2, A3 and B1 of the nematode Caenorhabditis elegans form an obligate heteropolymeric IF system.

Abstract excerpt

The in vitro polymerization and tissue-specific expression patterns of the four essential intermediate filament (IF) proteins (A1, A2, A3, B1) and the non-essential IF protein A4 were analyzed. Recombinant B1, used as a probe in blot overlay assays of the 11 Caenorhabditis elegans IF proteins, re...

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