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