{HEAD ~ The invention} provides nucleic acid sequences which regulate expression of {TAIL ~ a nucleotide sequence} of interest 
{ HEAD ~ The invention } provides nucleic acid sequences which regulate expression of { TAIL ~ a nucleotide sequence } of interest
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH