{HEAD ~ Characterization} of {TAIL ~ the cloned DNA fragment} mapped the region of v erbB homology to three exons with closest homology of 64% and 67% to a contiguous region within the tyrosine kinase domains of the EGFR and erbB 2 proteins, respectively 
of
{ HEAD ~ Characterization } of { TAIL ~ the cloned DNA fragment } mapped the region of v erbB homology to three exons with closest homology of 64 % and 67 % to a contiguous region within the tyrosine kinase domains of the EGFR and erbB 2 proteins , respectively
HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH