LOCUS       sequence-295691-        7957 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Mammalian expression plasmid for SARS-CoV-2 helicase.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 7957)
  TITLE     SARS-CoV-2 protein Mammalian expression constructs, tagged, for 
            protein expression and/or purification
REFERENCE   2  (bases 1 to 7957)
  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"
COMMENT     Sequence Label: pGBW-m4133708
FEATURES             Location/Qualifiers
     source          1..7957
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     CDS             1811..1831
                     /codon_start=1
                     /product="tobacco etch virus (TEV) protease recognition and
                     cleavage site"
                     /label=TEV site
                     /translation="ENLYFQS"
     CDS             1832..1873
                     /codon_start=1
                     /product="epitope tag from simian virus 5"
                     /label=V5 tag
                     /translation="GKPIPNPLLGLDST"
     polyA_signal    1926..2047
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     primer_bind     complement(1937..1956)
                     /label=EBV-rev
                     /note="SV40 polyA terminator, reverse primer"
     primer_bind     1991..2010
                     /label=SV40pA-R
                     /note="SV40 polyA, reverse primer"
     terminator      2162..2208
                     /label=T7 terminator
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
     terminator      2238..2374
                     /label=rrnG terminator
                     /note="transcription terminator from the E. coli ribosomal 
                     RNA rrnG operon (Albrechtsen et al., 1991)"
     misc_feature    2419..2490
                     /label=3' beta-globin insulator
                     /note="insulator downstream of the human beta-globin locus 
                     (Farrell et al., 2002)"
     rep_origin      complement(2716..3304)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(2796..2815)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     promoter        3804..5013
                     /label=UbC promoter
                     /note="human ubiquitin C promoter"
     primer_bind     4850..4869
                     /label=hUBCpro-F
                     /note="Human Ubiquitin C (UbC) promoter, forward primer"
     CDS             5017..5616
                     /codon_start=1
                     /gene="pac from Streptomyces alboniger"
                     /product="puromycin N-acetyltransferase"
                     /label=PuroR
                     /note="confers resistance to puromycin"
                     /translation="MTEYKPTVRLATRDDVPRAVRTLAAAFADYPATRHTVDPDRHIER
                     VTELQELFLTRVGLDIGKVWVADDGAAVAVWTTPESVEAGAVFAEIGPRMAELSGSRLA
                     AQQQMEGLLAPHRPKEPAWFLATVGVSPDHQGKGLGSAVVLPGVEAAERAGVPAFLETS
                     APRNLPFYERLGFTVTADVEVPEGPRTWCMTRKPGA"
     primer_bind     complement(5017..5036)
                     /label=Puro-R
                     /note="Puromycin resistance gene, reverse primer. Also 
                     called puro-variant-R"
     primer_bind     5513..5533
                     /label=Puro-F
                     /note="Puromycin resistance gene, forward primer"
     polyA_signal    5643..5691
                     /note="synthetic polyadenylation signal"
     CDS             join(5957..6025,6026..6817)
                     /codon_start=1
                     /gene="bla"
                     /product="beta-lactamase"
                     /label=AmpR
                     /note="confers resistance to ampicillin, carbenicillin, and
                     related antibiotics"
                     /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
                     ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYS
                     PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
                     EPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
                     LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
                     LIKHW"
     primer_bind     complement(6175..6194)
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     terminator      6830..6966
                     /label=rrnG terminator
                     /note="transcription terminator from the E. coli ribosomal 
                     RNA rrnG operon (Albrechtsen et al., 1991)"
     misc_feature    7111..7182
                     /label=5' beta-globin insulator
                     /note="insulator upstream of the human beta-globin locus 
                     (Farrell et al., 2002)"
     terminator      complement(7187..7233)
                     /label=T7 terminator
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
     polyA_signal    7251..7299
                     /note="synthetic polyadenylation signal"
     enhancer        7380..7683
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
     promoter        7685..7887
                     /label=CMV promoter
                     /note="human cytomegalovirus (CMV) immediate early 
                     promoter"
     primer_bind     7838..7858
                     /label=CMV-F
                     /note="Human CMV immediate early promoter, forward primer"
     regulatory      join(7956..7957,1..8)
                     /label=Kozak sequence
                     /note="vertebrate consensus sequence for strong initiation 
                     of translation (Kozak, 1987)"
                     /regulatory_class="other"
ORIGIN
        1 caccatggcg gtgggggctt gcgtactatg taacagccag acgtcattgc gctgcggtgc
       61 atgtataaga aggccgtttc tgtgttgcaa atgctgctac gatcatgtta tttcgacttc
      121 tcacaagctt gtgctcagtg tcaatcctta tgtgtgtaat gcccccggat gcgacgtcac
      181 agatgttacc caactgtacc tgggcggcat gtcctattat tgtaagagcc acaaaccacc
      241 aatctccttc cccctgtgcg ccaacggaca ggtgtttggg ctctacaaaa acacatgtgt
      301 gggatctgac aatgtcaccg acttcaacgc tatcgccaca tgcgattgga ctaatgcagg
      361 cgactacatt ttagccaaca cctgtaccga acggctgaag ttatttgcgg ctgagactct
      421 aaaggcaact gaggaaacct tcaaactttc atatggtatc gccacggtac gtgaggtgtt
      481 gtctgatcga gaactgcatc tcagttggga ggtcgggaag cctagacctc cccttaatcg
      541 aaattacgtg ttcacaggtt atagggttac caagaacagc aaagtccaga tcggcgaata
      601 tacttttgag aagggagatt acggtgacgc cgtagtgtat cgtggcacaa caacatacaa
      661 actgaatgtt ggggattact tcgtgctgac gtcccacacc gttatgccgc tctcagctcc
      721 aactttggtt ccccaggaac attacgtgcg gattactgga ctctatccaa cgctaaacat
      781 aagcgacgag ttttccagca acgtggctaa ttaccaaaag gtcggcatgc agaagtactc
      841 cacccttcag ggtcctcctg ggactggcaa aagtcacttc gccatcggac tggcacttta
      901 ctatcccagt gcgcgcattg tatataccgc ctgctcacat gcggcagtgg acgccctgtg
      961 tgagaaggct ttaaagtatc tgccaataga caaatgctct cgcattatcc ctgccagggc
     1021 cagagtggag tgctttgata agtttaaagt gaactcgacc ctcgaacagt atgtcttctg
     1081 cacagttaac gcattgcccg aaacgaccgc cgatatagtt gtgttcgacg aaatctcaat
     1141 ggctaccaat tatgatctct ccgtcgtcaa tgcacggctg cgggccaaac actacgtcta
     1201 catcggggac cccgcgcagt taccagcacc gcgaacccta ctgactaagg gcacacttga
     1261 gccagagtac ttcaacagcg tatgtagact gatgaaaacc attggccctg atatgttcct
     1321 gggaacatgt cggaggtgcc ccgctgaaat agtggacacc gtttcagcac ttgtgtacga
     1381 caataagctc aaagcacaca aggataaatc cgcacaatgt tttaagatgt tttacaaagg
     1441 ggttattacc catgatgtgt ctagcgctat caatcgccct cagattggcg tggtgagaga
     1501 gtttttgacg cgaaatcccg cctggcgaaa ggccgtattc atcagtcctt acaactcgca
     1561 aaatgccgtc gctagtaaga ttttaggact ccctactcag acagttgata gctctcaagg
     1621 ttctgaatac gattatgtga tttttactca gactaccgaa acggcacatt cttgtaacgt
     1681 caaccgtttt aacgtggcca ttacaagggc caaggttggc atcttgtgta tcatgtcaga
     1741 ccgggacctg tatgataaac tgcaattcac atctttggag ataccgcgcc gcaatgtcgc
     1801 tacccttcag gaaaaccttt actttcagtc ggggaaacct atacccaatc cacttctcgg
     1861 cttagattct acctaagcta gcttgactga ctgagataca gcgtaccttc agctcacaga
     1921 catgataaga tacattgatg agtttggaca aaccacaact agaatgcagt gaaaaaaatg
     1981 ctttatttgt gaaatttgtg atgctattgc tttatttgta accattataa gctgcaataa
     2041 acaagttaac aacaacaatt gcattcattt tatgtttcag gttcaggggg aggtgtggga
     2101 ggttttttaa agcaagtaaa acctctacaa atgtggtatt ggcccatctc tatcggtatc
     2161 gtagcataac cccttggggc ctctaaacgg gtcttgaggg gttttttgtg cccctcgggc
     2221 cggattgcta tctaccggca ttggcgcaga aaaaaatgcc tgatgcgacg ctgcgcgtct
     2281 tatactccca catatgccag attcagcaac ggatacggct tccccaactt gcccacttcc
     2341 atacgtgtcc tccttaccag aaatttatcc ttaaggtcgt cagctatcct gcaggcgatc
     2401 tctcgatttc gatcaagaca ttcctttaat ggtcttttct ggacaccact aggggtcaga
     2461 agtagttcat caaactttct tccctcccta atctcattgg ttaccttggg ctatcgaaac
     2521 ttaattaacc agtcaagtca gctacttggc gagatcgact tgtctgggtt tcgactacgc
     2581 tcagaattgc gtcagtcaag ttcgatctgg tccttgctat tgcacccgtt ctccgattac
     2641 gagtttcatt taaatcatgt gagcaaaagg ccagcaaaag gccaggaacc gtaaaaaggc
     2701 cgcgttgctg gcgtttttcc ataggctccg cccccctgac gagcatcaca aaaatcgacg
     2761 ctcaagtcag aggtggcgaa acccgacagg actataaaga taccaggcgt ttccccctgg
     2821 aagctccctc gtgcgctctc ctgttccgac cctgccgctt accggatacc tgtccgcctt
     2881 tctcccttcg ggaagcgtgg cgctttctca tagctcacgc tgtaggtatc tcagttcggt
     2941 gtaggtcgtt cgctccaagc tgggctgtgt gcacgaaccc cccgttcagc ccgaccgctg
     3001 cgccttatcc ggtaactatc gtcttgagtc caacccggta agacacgact tatcgccact
     3061 ggcagcagcc actggtaaca ggattagcag agcgaggtat gtaggcggtg ctacagagtt
     3121 cttgaagtgg tggcctaact acggctacac tagaagaaca gtatttggta tctgcgctct
     3181 gctgaagcca gttaccttcg gaaaaagagt tggtagctct tgatccggca aacaaaccac
     3241 cgctggtagc ggtggttttt ttgtttgcaa gcagcagatt acgcgcagaa aaaaaggatc
     3301 tcaagaagat cctttgatct tttctacggg gtctgacgct cagtggaacg aaaactcacg
     3361 ttaagggatt ttggtcatga gattatcaaa aaggatcttc acctagatcc ttttaaatta
     3421 aaaatgaagt tttaaatcaa tctaaagtat atatgagtaa acttggtctg acagttacca
     3481 atgcttaatc agtgaggcac ctatctcagc gatctgtcta tttcgttcat ccatagttgc
     3541 atttaaattt ccgaactctc caaggccctc gtcggaaaat cttcaaacct ttcgtccgat
     3601 ccatcttgca ggctacctct cgaacgaact atcgcaagtc tcttggccgg ccttgcgcct
     3661 tggctattgc ttggcagcgc ctatcgccag gtattactcc aatcccgaat atccgagatc
     3721 gggatcaccc gagagaagtt caacctacat cctcaatccc gatctatccg agatccgagg
     3781 aatatcgaaa tcggggcgcg cctggcctcc gcgccgggtt ttggcgcctc ccgcgggcgc
     3841 ccccctcgtc acggcgagcg ctgccacgtc agacgaaggg cgcaggagcg tcctgatcct
     3901 tccgcccgga cgctcaggac agcggcccgc tgctcataag actcggcctt agaaccccag
     3961 tatcagcaga aggacatttt aggacgggac ttgggtgact ctagggcact ggttttcttt
     4021 ccagagagcg gaacaggcga ggaaaagtag tcccttctcg gcgattctgc ggagggatct
     4081 ccgtggggcg gtgaacgccg atgattatat aaggacgcgc cgggtgtggc acagctagtt
     4141 ccgtcgcagc cgggatttgg gtcgcggttc ttgtttgtgg atcgctgtga tcgtcacttg
     4201 gtgagtagcg ggctgctggg ctggccgggg ctttcgtggc cgccgggccg ctcggtggga
     4261 cggaagcgtg tggagagacc gccaagggct gtagtctggg tccgcgagca aggttgccct
     4321 gaactggggg ttggggggag cgcagcaaaa tggcggctgt tcccgagtct tgaatggaag
     4381 acgcttgtga ggcgggctgt gaggtcgttg aaacaaggtg gggggcatgg tgggcggcaa
     4441 gaacccaagg tcttgagccc ttcgctaatg cgggaaagct cttattcggg tgagatgggc
     4501 tgggcaccat ctggggaccc tgacgtgaag tttgtcactg actggagaac tcggtttgtc
     4561 gtctgttgcg ggggcggcag ttatggcggt gccgttgggc agtgcacccg tacctttggg
     4621 agcgcgcgcc ctcgtcgtgt cgtgacgtca cccgttctgt tggcttataa tgcagggtgg
     4681 ggccacctgc cggtaggtgt gcggtaggct tttctccgtc gcaggacgca gggttcgggc
     4741 ctagggtagg ctctcctgaa tcgacaggcg ccggacctct ggtgagggga gggataagtg
     4801 aggcgtcagt ttctttggtc ggttttatgt acctatcttc ttaagtagct gaagctccgg
     4861 ttttgaacta tgcgctcggg gttggcgagt gtgttttgtg aagtttttta ggcacctttt
     4921 gaaatgtaat catttgggtc aatatgtaat tttcagtgtt agacttgtaa attgtccgct
     4981 aaattctggc cgtttttggc ttttttgtta gacaacatga ccgagtacaa gcccacggtg
     5041 cgcctcgcca cccgcgacga cgtccccagg gccgtacgca ccctcgccgc cgcgttcgcc
     5101 gactaccccg ccacgcgcca caccgtcgat ccggaccgcc acatcgagcg ggtcaccgag
     5161 ctgcaagaac tcttcctcac gcgcgtcggg ctcgacatcg gcaaggtgtg ggtcgcggac
     5221 gacggcgccg cggtggcggt ctggaccacg ccggagagcg tcgaagcggg ggcggtgttc
     5281 gccgagatcg gcccgcgcat ggccgagttg agcggttccc ggctggccgc gcagcaacag
     5341 atggagggcc tcctggcgcc gcaccggccc aaggagcccg cgtggttcct ggccaccgtc
     5401 ggcgtctcgc ccgaccacca gggcaagggt ctgggcagcg ccgtcgtgct ccccggagtg
     5461 gaggccgccg agcgcgccgg ggtgcccgcc ttcctggaga cctccgcgcc ccgcaacctc
     5521 cccttctacg agcggctcgg cttcaccgtc accgccgacg tcgaggtgcc cgaaggaccg
     5581 cgcacctggt gcatgacccg caagcccggt gcctaggcta gtatgtaagc ctagtcttag
     5641 ataataaaat cgctatccat cgaagatgga tgtgtgttgg ttttttgtgt gtgtaacgct
     5701 aggcgcgcct ggtgtaccga gaacgatcct ctcagtgcga gtctcgacga tccatatcgt
     5761 tgcttggcag tcagccagtc ggaatccagc ttgggaccca ggaagtccaa tcgtcagata
     5821 ttgtactcaa gcctggtcac ggcagcgtac cgatctgttt aaacctagat attgatagtc
     5881 tgatcggtca acgtataatc gagtcctagc ttttgcaaac atctatcaag agacaggatc
     5941 agcaggaggc tttcgcatga gtattcaaca tttccgtgtc gcccttattc ccttttttgc
     6001 ggcattttgc cttcctgttt ttgctcaccc agaaacgctg gtgaaagtaa aagatgctga
     6061 agatcagttg ggtgcgcgag tgggttacat cgaactggat ctcaacagcg gtaagatcct
     6121 tgagagtttt cgccccgaag aacgctttcc aatgatgagc acttttaaag ttctgctatg
     6181 tggcgcggta ttatcccgta ttgacgccgg gcaagagcaa ctcggtcgcc gcatacacta
     6241 ttctcagaat gacttggttg agtattcacc agtcacagaa aagcatctta cggatggcat
     6301 gacagtaaga gaattatgca gtgctgccat aaccatgagt gataacactg cggccaactt
     6361 acttctgaca acgattggag gaccgaagga gctaaccgct tttttgcaca acatggggga
     6421 tcatgtaact cgccttgatc gttgggaacc ggagctgaat gaagccatac caaacgacga
     6481 gcgtgacacc acgatgcctg tagcaatggc aacaaccttg cgtaaactat taactggcga
     6541 actacttact ctagcttccc ggcaacagtt gatagactgg atggaggcgg ataaagttgc
     6601 aggaccactt ctgcgctcgg cccttccggc tggctggttt attgctgata aatctggagc
     6661 cggtgagcgt gggtctcgcg gtatcattgc agcactgggg ccagatggta agccctcccg
     6721 tatcgtagtt atctacacga cggggagtca ggcaactatg gatgaacgaa atagacagat
     6781 cgctgagata ggtgcctcac tgattaagca ttggtaaccg attctaggtg cattggcgca
     6841 gaaaaaaatg cctgatgcga cgctgcgcgt cttatactcc cacatatgcc agattcagca
     6901 acggatacgg cttccccaac ttgcccactt ccatacgtgt cctccttacc agaaatttat
     6961 ccttaagatc gtttaaactc gactctggct ctatcgaatc tccgtcgttt cgagcttacg
     7021 cgaacagccg tggcgctcat ttgctcgtcg ggcatcgaat ctcgtcagct atcgtcagct
     7081 tacctttttg gcagcgatcg cggctcccga catcttggac cattagctcc acaggtatct
     7141 tcttccctct agtggtcata acagcagctt cagctacctc tcaattcaaa aaacccctca
     7201 agacccgttt agaggcccca aggggttatg ctatcaatcg ttgcgttaca cacacaaaaa
     7261 accaacacac atccatcttc gatggatagc gattttatta tctaactgct gatcgagtgt
     7321 agccagatct agtaatcaat tacggggtca ttagttcata gcccatatat ggagttccgc
     7381 gttacataac ttacggtaaa tggcccgcct ggctgaccgc ccaacgaccc ccgcccattg
     7441 acgtcaataa tgacgtatgt tcccatagta acgccaatag ggactttcca ttgacgtcaa
     7501 tgggtggagt atttacggta aactgcccac ttggcagtac atcaagtgta tcatatgcca
     7561 agtacgcccc ctattgacgt caatgacggt aaatggcccg cctggcatta tgcccagtac
     7621 atgaccttat gggactttcc tacttggcag tacatctacg tattagtcat cgctattacc
     7681 atgctgatgc ggttttggca gtacatcaat gggcgtggat agcggtttga ctcacgggga
     7741 tttccaagtc tccaccccat tgacgtcaat gggagtttgt tttggcacca aaatcaacgg
     7801 gactttccaa aatgtcgtaa caactccgcc ccattgacgc aaatgggcgg taggcgtgta
     7861 cggtgggagg tctatataag cagagctggt ttagtgaacc gtcagatcag atctttgtcg
     7921 atcctaccat ccactcgaca cacccgccag cggccgc
//
