Colicin-E3 chain B ceiC This protein inhibits the 16S RNA hydrolyzing activity of colicin E3 by binding with high affinity to the C-terminal catalytic domain of E3. This protein is able to protect a cell, which harbors the plasmid ColE3 against colicin E3. Microcin-E3 immunity protein immB imm 85 Colicin-E3 immunity protein ImmE3 IMM3_ECOLX MGLKLDLTWFDKSTEDFKGEEYSKDFGDDGSVMESLGVPFKDNVNNGCFDVIAEWVPLLQPYFNHQIDISDNEYFVSFDYRDGDW