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Literature summary for 5.6.2.1 extracted from

  • Crisona, N.J.; Cozzarelli, N.R.
    Alteration of Escherichia coli topoisomerase IV conformation upon enzyme binding to positively supercoiled DNA (2006), J. Biol. Chem., 281, 18927-18932.
    View publication on PubMed

Localization

Localization Comment Organism GeneOntology No. Textmining

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
70000
-
E monomer Escherichia coli
84000
-
C monomer Escherichia coli
140000
-
EE dimer Escherichia coli
154000
-
CE dimer Escherichia coli
168000
-
CC dimer Escherichia coli

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Escherichia coli

Subunits

Subunits Comment Organism
heterotetramer silver staining, Western blotting, cross-linking of topo IV with glutaraldehyde in the absence of DNA. Southern blotting, cross-linking of Topo IV in the presence of DNA, composed of two molecules each of ParC and ParE, topo IV binds the gate segment and the transport segment of DNA. The Par E subunit dimerize prior to strand passage Escherichia coli
More other cross-linking reagents than glutaraldehyde tested. Western blot analysis of cross-linked topo IV bound to DNA. Model for topo IV tetramers bound to (-)- and (+)-SC DNA shown Escherichia coli

Synonyms

Synonyms Comment Organism
topoisomerase IV
-
Escherichia coli
topoIV
-
Escherichia coli