The nucleic acid molecule 19, wherein said vector comprises at least one of an origin of replication, a ribosomal binding site, {HEAD ~ a nucleic acid sequence} encoding {TAIL ~ a drug resistance enzyme}, and nucleic acid sequences encoding secretion signals, periplasm or peroxisome localization signals, or signals useful for polypeptide purification 
The nucleic acid molecule 19 , wherein said vector comprises at least one of an origin of replication , a ribosomal binding site , { HEAD ~ a nucleic acid sequence } encoding { TAIL ~ a drug resistance enzyme } , and nucleic acid sequences encoding secretion signals , periplasm or peroxisome localization signals , or signals useful for polypeptide purification
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD 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