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Chromosoma. 1992 Jun;101(8):517-25.

The Drosophila nuclear protein Bx42, which is found in many puffs on polytene chromosomes, is highly charged.

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Institut für Entwicklungsbiologie, Universität zu Köln, Federal Republic of Germany.


The Drosophila nuclear protein Bx42 is present in a set of transcriptionally active puffs on polytene chromosomes. cDNA clones coding for this protein were isolated from a lambda gt11 expression library. The two Bx42 transcripts are ubiquitously expressed and are already detectable in early stages of development. The corresponding genomic region, in 8C7-8, was isolated and sequenced. Both transcripts direct the production of the same basic, highly charged 547 amino acid protein with a calculated 61.1 kDa molecular weight.

[Indexed for MEDLINE]

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