How would you determine which proteins lie on the interface between the 30S and 50S subunits? What would you conclude, and what experiments would you perform if the nucleotide sequence at the end of...

How would you determine which proteins lie on the interface between the 30S and 50S subunits? What would you conclude, and what experiments would you perform if the nucleotide sequence at the end of the gene for ribosomal protein S11 and the beginning of the gene for S4 were XYZUGAXXXXXXAUG?