| Description | Contact-dependent growth inhibition (CDI) systems encode polymorphic toxin/immunity proteins that mediate competition between neighbouring bacterial cells. CDI is mediated by the CdiB/CdiA family of two-partner secretion proteins. This domain represents the C-terminal of CdiA proteins (CdiA-CT), which contains the CDI toxin activity. The C-terminal nuclease domain forms a stable complex with its cognate immunity protein. It is also sufficient to inhibit growth when expressed in E. coli cells, consolidating the idea that they constitute the functional CDI toxin. The CdiA-CT C-terminal domains are structurally similar to type IIS restriction endonucleases suggesting that the toxins have metal-dependent DNase activity [ ]. | Name | tRNA nuclease CdiA, C-terminal |
| Short Name | CdiA_C | Type | Domain |
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