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Mode of Action (MoA)
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None
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Evidence
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Deletion (ECO_0007379) or nonsense (ECO_0007161) mutations in the psiB gene abolished SOS inhibition, indicating that PsiB protein is required for the phenotype. Ectopic expression (ECO_0000017) of PsiB alone (12 kDa protein) is sufficient for inhibiting SOS functions.
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MoA Category
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unknown
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Subtype(s) of the defence system(s) inhibited by the protein
Defence Subtype
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Escherichia coli SOS response
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Relevant publication(s)
DOI
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10.1093/nar/18.15.4597
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Other components of the anti-defence system
Multicomponent System
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-
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Known structure in PDB
PDB ID
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-
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Genome(s) encoding the protein
Protein Source
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Escherichia coli plasmid
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Defence system(s) inhibited by the protein
Defences
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SOS stress response
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