LOCUS       sequence-177459-         247 bp    DNA     linear   UNA 15-DEC-2025
DEFINITION  Position 1 transfer plasmid for pST44 polycistronic plasmid suite; 
            N-term cleavable double tag; contains DHFR gene in BamHI-NgoMIV 
            cassette as positive control.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      natural DNA sequence
  ORGANISM  unspecified
REFERENCE   1  (bases 1 to 247)
  AUTHORS   Tan S, Kern RC, Selleck W
  TITLE     The pST44 polycistronic expression system for producing protein 
            complexes in Escherichia coli.
  JOURNAL   Protein Expr Purif. 2005 Apr;40(2):385-95.
  PUBMED    15766881
REFERENCE   2  (bases 1 to 247)
  AUTHORS   .
  TITLE     Direct Submission
  JOURNAL   Exported Dec 15, 2025 from SnapGene Server 8.0.1
            https://www.snapgene.com
COMMENT     SGRef: number: 1; type: "Journal Article"; journalName: "Protein 
            Expr Purif."; date: "2005-04"; volume: "40(2)"; pages: "385-95"
COMMENT     Sequence Label: pST50Trc1-FLAGHISNDHFR
FEATURES             Location/Qualifiers
     source          1..247
                     /mol_type="genomic DNA"
                     /organism="unspecified"
     CDS             8..31
                     /codon_start=1
                     /product="FLAG(R) epitope tag, followed by an enterokinase 
                     cleavage site"
                     /label=FLAG
                     /translation="DYKDDDDK"
     CDS             41..58
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /label=6xHis
                     /translation="HHHHHH"
     CDS             86..106
                     /codon_start=1
                     /product="tobacco etch virus (TEV) protease recognition and
                     cleavage site"
                     /label=TEV site
                     /translation="ENLYFQG"
ORIGIN
        1 tatgggagac tacaaggacg atgatgacaa gggatctagc catcatcatc atcatcacag
       61 cagcggatct ggtggtggtg gtggtgaaaa cctgtacttc cagggatcca tcagtctgat
      121 tgcggcgcta gcggtagatc gcgttatcgg catggaaaac gccatgccat ggaacctgcc
      181 tgccgatctc gcctggttta aacgcaacac cttaaataaa cccgtgatta tggggcgcca
      241 tacctgg
//
