RexAB

Example of genomic structure

The RexAB is composed of 2 proteins: RexA and RexB.

Here is an example found in the RefSeq database:

The RexAB system in Klebsiella pneumoniae (GCF_016780145.1, NZ_CP068798) is composed of 2 proteins RexB (WP_032749558.1) RexA (WP_077270569.1)

Distribution of the system among prokaryotes

Among the 22,803 complete genomes of RefSeq, the RexAB is detected in 73 genomes (0.32 %).

The system was detected in 18 different species.

Proportion of genome encoding the RexAB system for the 14 phyla with more than 50 genomes in the RefSeq database.

Structure

RexAB

Example 1

Experimental validation

      
graph LR;
    Parma_1992[Parma et al., 1992] --> Origin_0
    Origin_0[Escherichia coli lambda prophage 
NP_040626.1, NP_040627.1] --> Expressed_0[Escherichia coli]
    Expressed_0[Escherichia coli] ----> T4 & Lamboidphages
    subgraph Title1[Reference]
        Parma_1992
end
    subgraph Title2[System origin]
        Origin_0
end
    subgraph Title3[Expression species]
        Expressed_0
end
    subgraph Title4[Protects against]
        T4
        Lamboidphages
end
    style Title1 fill:none,stroke:none,stroke-width:none
    style Title2 fill:none,stroke:none,stroke-width:none
    style Title3 fill:none,stroke:none,stroke-width:none
    style Title4 fill:none,stroke:none,stroke-width:none

    

References

10.1101/gad.6.3.497
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