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. 2015 May 19;5:9747. doi: 10.1038/srep09747

Figure 7. Co-expression of CT596GmrSD and IPI* in the same host and the proposed mechanism of anti-restriction activity of IPI*.

Figure 7

(A). Scheme of pHERD20T plasmid construct used to express both CT596GmrSD and T4 IPI* genes and inhibition of GmrSD restriction by IPI* as shown by dual gene expression. The phage restriction activities by GmrSD are summarized in Table 3. (B). A schematic diagram of packaged internal protein IPI* (a.k.a. inhibitor protein) in T4 head and its inhibition of GmrSD restriction activity following DNA/IPI* ejection into host cells.