Detailed Instructions: 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: Electron microscopy showed that the E . coli RuvB protein , in the presence of ATP , forms a dodecamer on double - stranded DNA in which two stacked hexameric rings encircle the DNA and are oriented in opposite directions with D6 symmetry ( 33 ) .
A:
E . coli