A single 43-bp sopC repeat of plasmid mini-F is sufficient to allow assembly of a functional nucleoprotein partition complex.
نویسندگان
چکیده
منابع مشابه
Mini-F protein that binds to a unique region for partition of mini-F plasmid DNA.
A mini-F-coded protein, named F2 protein, binds specifically to mini-F DNA. This protein has a molecular weight of 37,000 and is coded by the A2 segment of the mini-F genome (47.3 to 49.4 kilobases on the F coordinate map). The binding site is located also in the A2 segment of mini-F. This binding site is lost by spontaneous deletion when the A2 segment alone, but not A2 together with its neigh...
متن کاملCentromere binding specificity in assembly of the F plasmid partition complex
The segregation of plasmid F of Escherichia coli is highly reliable. The Sop partition locus, responsible for this stable maintenance, is composed of two genes, sopA and sopB and a centromere, sopC, consisting of 12 direct repeats of 43 bp. Each repeat carries a 16-bp inverted repeat motif to which SopB binds to form a nucleoprotein assembly called the partition complex. A database search for s...
متن کاملTwelve 43-base-pair repeats map in a cis-acting region essential for partition of plasmid mini-F.
The nucleotide sequence of the DNA region involved in partitioning of plasmid mini-F has been determined. The sequence consists of 12 direct tandemly arranged repeats of 43 base pairs (the two flanking repeats, 43 plus 1 base pairs) with extensive homology to each other. Each repeat contains an additional inverted repeat of 7 base pairs.
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1994
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.91.17.8027