{HEAD ~ Suitable vectors} have {TAIL ~ expression control sequences}, such as promoters, including 3 phosphoglycerate kinase or other glycolytic enzymes, and an origin of replication, termination sequences and the like as desired 
have
{ HEAD ~ Suitable vectors } have { TAIL ~ expression control sequences } , such as promoters , including 3 phosphoglycerate kinase or other glycolytic enzymes , and an origin of replication , termination sequences and the like as desired
HEAD HEAD HEAD HEAD HEAD HEAD REL 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