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- Q2033993 subject Q6447801.
- Q2033993 subject Q8395806.
- Q2033993 subject Q9089708.
- Q2033993 abstract "DnaB helicase is an enzyme in bacteria which opens the replication fork during DNA replication. Although the mechanism by which DnaB both couples ATP hydrolysis to translocation along DNA and denatures the duplex is unknown, a change in the quaternary structure of the protein involving dimerisation of the N-terminal domain has been observed and may occur during the enzymatic cycle. Initially when DnaB binds to dnaA, it is associated with dnaC, a negative regulator. After DnaC dissociates, DnaB binds dnaG.The N-terminal has a multi-helical structure that forms an orthogonal bundle. The C-terminal domain contains an ATP-binding site and is therefore probably the site of ATP hydrolysis.In eukaryotes, helicase function is provided by the MCM (Minichromosome maintenance) complex.The DnaB helicase is the product of the dnaB gene. The helicase enzyme that is produced is a hexamer in E. coli, as well as in many other bacteria.The energy for DnaB activity is provided by NTP hydrolysis. Mechanical energy moves the DnaB into the replication fork, physically splitting it in half.".
- Q2033993 ecNumber "3.6.1.-".
- Q2033993 entrezgene "948555".
- Q2033993 symbol "DnaB".
- Q2033993 symbol "DnaB_C".
- Q2033993 symbol "dnaB".
- Q2033993 thumbnail PDB_1jwe_EBI.jpg?width=300.
- Q2033993 uniprot "P0ACB0".
- Q2033993 wikiPageWikiLink Q10876.
- Q2033993 wikiPageWikiLink Q130996.
- Q2033993 wikiPageWikiLink Q284398.
- Q2033993 wikiPageWikiLink Q3858415.
- Q2033993 wikiPageWikiLink Q4037469.
- Q2033993 wikiPageWikiLink Q4654881.
- Q2033993 wikiPageWikiLink Q5285831.
- Q2033993 wikiPageWikiLink Q6447801.
- Q2033993 wikiPageWikiLink Q6589727.
- Q2033993 wikiPageWikiLink Q673206.
- Q2033993 wikiPageWikiLink Q7430.
- Q2033993 wikiPageWikiLink Q8047.
- Q2033993 wikiPageWikiLink Q8054.
- Q2033993 wikiPageWikiLink Q80863.
- Q2033993 wikiPageWikiLink Q8395806.
- Q2033993 wikiPageWikiLink Q898273.
- Q2033993 wikiPageWikiLink Q9089708.
- Q2033993 ecnumber "3.6".
- Q2033993 entrezgene "948555".
- Q2033993 name "Replicative DNA helicase".
- Q2033993 symbol "DnaB".
- Q2033993 symbol "DnaB_C".
- Q2033993 symbol "dnaB".
- Q2033993 uniprot "P0ACB0".
- Q2033993 type Biomolecule.
- Q2033993 type Protein.
- Q2033993 type Thing.
- Q2033993 type Q206229.
- Q2033993 type Q8054.
- Q2033993 comment "DnaB helicase is an enzyme in bacteria which opens the replication fork during DNA replication. Although the mechanism by which DnaB both couples ATP hydrolysis to translocation along DNA and denatures the duplex is unknown, a change in the quaternary structure of the protein involving dimerisation of the N-terminal domain has been observed and may occur during the enzymatic cycle. Initially when DnaB binds to dnaA, it is associated with dnaC, a negative regulator.".
- Q2033993 label "DnaB helicase".
- Q2033993 depiction PDB_1jwe_EBI.jpg.
- Q2033993 name "Replicative DNA helicase".