HAMAP rule MF_00132
General rule information
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Accession | MF_00132 |
Dates | 1-JUN-2001 (Created) 19-NOV-2022 (Last updated, Version 36) |
Name | Top6A |
Scope | Archaea
Bacteria |
Templates | Q57815 (TOP6A_METJA); Q8PUB7 (TOP6A_METMA); O05208 (TOP6A_SACSH): [Recover all] |
case <OC:Bacteria> or <OC:Archaea>
Triggered by |
end case
Propagated annotation
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Identifier, protein and gene names
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Identifier |
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Protein name |
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Gene name |
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Comments
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Function | Relaxes both positive and negative superturns and exhibits a strong decatenase activity. |
Catalytic activity | Reaction=ATP-dependent breakage, passage and rejoining of double-stranded DNA.; EC=5.6.2.2; |
Cofactor | Mg(2+) |
Subunit | Homodimer. Heterotetramer of two Top6A and two Top6B chains. |
Similarity | Belongs to the TOP6A family. |
Keywords
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Gene Ontology
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GO:0003677; Molecular function: DNA binding.
GO:0003918; Molecular function: DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) activity.
GO:0000287; Molecular function: magnesium ion binding.
GO:0006265; Biological process: DNA topological change.
GO:0006268; Biological process: DNA unwinding involved in DNA replication.
GO:0003918; Molecular function: DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) activity.
GO:0000287; Molecular function: magnesium ion binding.
GO:0006265; Biological process: DNA topological change.
GO:0006268; Biological process: DNA unwinding involved in DNA replication.
Cross-references
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Features
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From: TOP6A_METJA (Q57815) | ||||||||||||
Key | From | To | Description | Tag | Condition | FTGroup | ||||||
ACT_SITE | 103 | 103 | Nucleophile | Y | ||||||||
BINDING | 197 | 197 | /ligand="Mg(2+)" /ligand_id="ChEBI:CHEBI:18420 | E | ||||||||
BINDING | 249 | 249 | /ligand="Mg(2+)" /ligand_id="ChEBI:CHEBI:18420 | D |
Additional information
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Size range | 340-453 amino acids |
Related rules | None |
Fusion | None |