In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

Q:  The E . coli RdgC protein is a potential negative regulator of the function of RecA ( 1 ) .

A: E . coli
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Q:  RdgC protein was shown to have a potent effect on RecA protein - promoted DNA strand exchange in E . coli ( 1 ) .

A: E . coli
****
Q:  With the base domain ( residues 168 - 306 ) alone , the highest similarity is found with P . aeruginosa isochorismate - pyruvate lyase ( unpublished deposition ; PDB code 2H9C , Z score = 4 . 0 , r . m . s . deviation = 4 . 8 A for 51 structurally aligned residues , residues 186 - 191 , 237 - 240 , 257 - 272 and 274 - 298 of P . aeruginosa RdgC chain A and residues 36 - 41 , 50 - 53 , 55 - 66 and 68 - 96 of P . aeruginosa isochorismate - pyruvate lyase chain A ) .

A:
P . aeruginosa
****