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.

[EX Q]:  The rdgC gene ( PA3263 ) was amplified by the polymerase chain reaction ( PCR ) using the genomic DNA of P . aeruginosa strain PAO1 as a template .
[EX A]: P . aeruginosa

[EX Q]:  Sedimentation equilibrium data indicated that E . coli RdgC exists in solution as a mixture of oligomeric states in equilibrium , most likely monomers , dimers and tetramers ( 1 ) .
[EX A]: E . coli

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