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