LOCUS       sequence-295577-        8402 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 8402)
  TITLE     SARS-CoV-2 protein Mammalian expression constructs, tagged, for 
            protein expression and/or purification
REFERENCE   2  (bases 1 to 8402)
  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-m4134187
FEATURES             Location/Qualifiers
     source          1..8402
                     /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    1942..2063
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     primer_bind     complement(1953..1972)
                     /label=EBV-rev
                     /note="SV40 polyA terminator, reverse primer"
     primer_bind     2007..2026
                     /label=SV40pA-R
                     /note="SV40 polyA, reverse primer"
     terminator      2178..2224
                     /label=T7 terminator
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
     terminator      2254..2390
                     /label=rrnG terminator
                     /note="transcription terminator from the E. coli ribosomal 
                     RNA rrnG operon (Albrechtsen et al., 1991)"
     misc_feature    2435..2506
                     /label=3' beta-globin insulator
                     /note="insulator downstream of the human beta-globin locus 
                     (Farrell et al., 2002)"
     rep_origin      complement(2732..3320)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(2812..2831)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     promoter        3820..5029
                     /label=UbC promoter
                     /note="human ubiquitin C promoter"
     primer_bind     4866..4885
                     /label=hUBCpro-F
                     /note="Human Ubiquitin C (UbC) promoter, forward primer"
     CDS             5033..6061
                     /codon_start=1
                     /product="hygromycin B phosphotransferase"
                     /label=HygR
                     /note="confers resistance to hygromycin"
                     /translation="MGKKPELTATSVEKFLIEKFDSVSDLMQLSEGEESRAFSFDVGGR
                     GYVLRVNSCADGFYKDRYVYRHFASAALPIPEVLDIGEFSESLTYCISRRAQGVTLQDL
                     PETELPAVLQPVAEAMDAIAAADLSQTSGFGPFGPQGIGQYTTWRDFICAIADPHVYHW
                     QTVMDDTVSASVAQALDELMLWAEDCPEVRHLVHADFGSNNVLTDNGRITAVIDWSEAM
                     FGDSQYEVANIFFWRPWLACMEQQTRYFERRHPELAGSPRLRAYMLRIGLDQLYQSLVD
                     GNFDDAAWAQGRCDAIVRSGAGTVGRTQIARRSAAVWTDGCVEVLADSGNRRPSTRPRA
                     KE"
     polyA_signal    6088..6136
                     /note="synthetic polyadenylation signal"
     CDS             join(6402..6470,6471..7262)
                     /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(6620..6639)
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     terminator      7275..7411
                     /label=rrnG terminator
                     /note="transcription terminator from the E. coli ribosomal 
                     RNA rrnG operon (Albrechtsen et al., 1991)"
     misc_feature    7556..7627
                     /label=5' beta-globin insulator
                     /note="insulator upstream of the human beta-globin locus 
                     (Farrell et al., 2002)"
     terminator      complement(7632..7678)
                     /label=T7 terminator
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
     polyA_signal    7696..7744
                     /note="synthetic polyadenylation signal"
     enhancer        7825..8128
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
     promoter        8130..8332
                     /label=CMV promoter
                     /note="human cytomegalovirus (CMV) immediate early 
                     promoter"
     primer_bind     8283..8303
                     /label=CMV-F
                     /note="Human CMV immediate early promoter, forward primer"
     regulatory      join(8401..8402,1..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 acctaaggat ccgcaggcct ctgctagctt gactgactga gatacagcgt
     1921 accttcagct cacagacatg ataagataca ttgatgagtt tggacaaacc acaactagaa
     1981 tgcagtgaaa aaaatgcttt atttgtgaaa tttgtgatgc tattgcttta tttgtaacca
     2041 ttataagctg caataaacaa gttaacaaca acaattgcat tcattttatg tttcaggttc
     2101 agggggaggt gtgggaggtt ttttaaagca agtaaaacct ctacaaatgt ggtattggcc
     2161 catctctatc ggtatcgtag cataacccct tggggcctct aaacgggtct tgaggggttt
     2221 tttgtgcccc tcgggccgga ttgctatcta ccggcattgg cgcagaaaaa aatgcctgat
     2281 gcgacgctgc gcgtcttata ctcccacata tgccagattc agcaacggat acggcttccc
     2341 caacttgccc acttccatac gtgtcctcct taccagaaat ttatccttaa ggtcgtcagc
     2401 tatcctgcag gcgatctctc gatttcgatc aagacattcc tttaatggtc ttttctggac
     2461 accactaggg gtcagaagta gttcatcaaa ctttcttccc tccctaatct cattggttac
     2521 cttgggctat cgaaacttaa ttaaccagtc aagtcagcta cttggcgaga tcgacttgtc
     2581 tgggtttcga ctacgctcag aattgcgtca gtcaagttcg atctggtcct tgctattgca
     2641 cccgttctcc gattacgagt ttcatttaaa tcatgtgagc aaaaggccag caaaaggcca
     2701 ggaaccgtaa aaaggccgcg ttgctggcgt ttttccatag gctccgcccc cctgacgagc
     2761 atcacaaaaa tcgacgctca agtcagaggt ggcgaaaccc gacaggacta taaagatacc
     2821 aggcgtttcc ccctggaagc tccctcgtgc gctctcctgt tccgaccctg ccgcttaccg
     2881 gatacctgtc cgcctttctc ccttcgggaa gcgtggcgct ttctcatagc tcacgctgta
     2941 ggtatctcag ttcggtgtag gtcgttcgct ccaagctggg ctgtgtgcac gaaccccccg
     3001 ttcagcccga ccgctgcgcc ttatccggta actatcgtct tgagtccaac ccggtaagac
     3061 acgacttatc gccactggca gcagccactg gtaacaggat tagcagagcg aggtatgtag
     3121 gcggtgctac agagttcttg aagtggtggc ctaactacgg ctacactaga agaacagtat
     3181 ttggtatctg cgctctgctg aagccagtta ccttcggaaa aagagttggt agctcttgat
     3241 ccggcaaaca aaccaccgct ggtagcggtg gtttttttgt ttgcaagcag cagattacgc
     3301 gcagaaaaaa aggatctcaa gaagatcctt tgatcttttc tacggggtct gacgctcagt
     3361 ggaacgaaaa ctcacgttaa gggattttgg tcatgagatt atcaaaaagg atcttcacct
     3421 agatcctttt aaattaaaaa tgaagtttta aatcaatcta aagtatatat gagtaaactt
     3481 ggtctgacag ttaccaatgc ttaatcagtg aggcacctat ctcagcgatc tgtctatttc
     3541 gttcatccat agttgcattt aaatttccga actctccaag gccctcgtcg gaaaatcttc
     3601 aaacctttcg tccgatccat cttgcaggct acctctcgaa cgaactatcg caagtctctt
     3661 ggccggcctt gcgccttggc tattgcttgg cagcgcctat cgccaggtat tactccaatc
     3721 ccgaatatcc gagatcggga tcacccgaga gaagttcaac ctacatcctc aatcccgatc
     3781 tatccgagat ccgaggaata tcgaaatcgg ggcgcgcctg gcctccgcgc cgggttttgg
     3841 cgcctcccgc gggcgccccc ctcgtcacgg cgagcgctgc cacgtcagac gaagggcgca
     3901 ggagcgtcct gatccttccg cccggacgct caggacagcg gcccgctgct cataagactc
     3961 ggccttagaa ccccagtatc agcagaagga cattttagga cgggacttgg gtgactctag
     4021 ggcactggtt ttctttccag agagcggaac aggcgaggaa aagtagtccc ttctcggcga
     4081 ttctgcggag ggatctccgt ggggcggtga acgccgatga ttatataagg acgcgccggg
     4141 tgtggcacag ctagttccgt cgcagccggg atttgggtcg cggttcttgt ttgtggatcg
     4201 ctgtgatcgt cacttggtga gtagcgggct gctgggctgg ccggggcttt cgtggccgcc
     4261 gggccgctcg gtgggacgga agcgtgtgga gagaccgcca agggctgtag tctgggtccg
     4321 cgagcaaggt tgccctgaac tgggggttgg ggggagcgca gcaaaatggc ggctgttccc
     4381 gagtcttgaa tggaagacgc ttgtgaggcg ggctgtgagg tcgttgaaac aaggtggggg
     4441 gcatggtggg cggcaagaac ccaaggtctt gagcccttcg ctaatgcggg aaagctctta
     4501 ttcgggtgag atgggctggg caccatctgg ggaccctgac gtgaagtttg tcactgactg
     4561 gagaactcgg tttgtcgtct gttgcggggg cggcagttat ggcggtgccg ttgggcagtg
     4621 cacccgtacc tttgggagcg cgcgccctcg tcgtgtcgtg acgtcacccg ttctgttggc
     4681 ttataatgca gggtggggcc acctgccggt aggtgtgcgg taggcttttc tccgtcgcag
     4741 gacgcagggt tcgggcctag ggtaggctct cctgaatcga caggcgccgg acctctggtg
     4801 aggggaggga taagtgaggc gtcagtttct ttggtcggtt ttatgtacct atcttcttaa
     4861 gtagctgaag ctccggtttt gaactatgcg ctcggggttg gcgagtgtgt tttgtgaagt
     4921 tttttaggca ccttttgaaa tgtaatcatt tgggtcaata tgtaattttc agtgttagac
     4981 ttgtaaattg tccgctaaat tctggccgtt tttggctttt ttgttagaca acatgggtaa
     5041 aaagcctgaa ctcaccgcga cgtctgtcga gaagtttctg atcgaaaagt tcgacagcgt
     5101 ctccgacctg atgcagctct cggagggcga agaatctcgt gctttcagct tcgatgtagg
     5161 agggcgtgga tatgtcctgc gggtaaatag ctgcgccgat ggtttctaca aagatcgtta
     5221 tgtttatcgg cactttgcat ccgccgcgct cccgattccg gaagtgcttg acattgggga
     5281 gttcagcgag agcctgacct attgcatctc ccgccgtgca cagggtgtca cgttgcaaga
     5341 cctgcctgaa accgaactgc ccgctgttct gcagccggtc gcggaggcaa tggatgccat
     5401 cgctgccgcc gatcttagcc agacgagcgg gttcggccca ttcggaccgc aaggaatcgg
     5461 tcaatacact acatggcgtg atttcatatg cgcgattgct gatccccatg tgtatcactg
     5521 gcaaactgtg atggacgaca ccgtcagtgc gtccgtcgcg caggctctcg atgagctgat
     5581 gctttgggcc gaggactgcc ccgaagtccg gcacctcgtg cacgcggatt tcggctccaa
     5641 caatgtcctg acggacaatg gccgcataac agcggtcatt gactggagcg aggcgatgtt
     5701 cggggattcc caatacgagg tcgccaacat cttcttctgg aggccgtggt tggcttgtat
     5761 ggagcagcag acgcgctact tcgagcggag gcatccggag cttgcaggat cgccccggct
     5821 ccgggcgtat atgctccgca ttggtcttga ccaactctat cagagcttgg ttgacggcaa
     5881 tttcgatgat gcagcttggg cgcagggtcg atgcgacgca atcgtccgat ccggagccgg
     5941 gactgtcggg cgtacacaaa tcgcccgcag aagcgccgcc gtctggaccg atggctgtgt
     6001 agaagtactc gccgatagtg gaaaccgacg ccccagcact cgtccgaggg caaaggaata
     6061 agctagtatg taagcctagt cttagataat aaaatcgcta tccatcgaag atggatgtgt
     6121 gttggttttt tgtgtgtgta acgctaggcg cgcctggtgt accgagaacg atcctctcag
     6181 tgcgagtctc gacgatccat atcgttgctt ggcagtcagc cagtcggaat ccagcttggg
     6241 acccaggaag tccaatcgtc agatattgta ctcaagcctg gtcacggcag cgtaccgatc
     6301 tgtttaaacc tagatattga tagtctgatc ggtcaacgta taatcgagtc ctagcttttg
     6361 caaacatcta tcaagagaca ggatcagcag gaggctttcg catgagtatt caacatttcc
     6421 gtgtcgccct tattcccttt tttgcggcat tttgccttcc tgtttttgct cacccagaaa
     6481 cgctggtgaa agtaaaagat gctgaagatc agttgggtgc gcgagtgggt tacatcgaac
     6541 tggatctcaa cagcggtaag atccttgaga gttttcgccc cgaagaacgc tttccaatga
     6601 tgagcacttt taaagttctg ctatgtggcg cggtattatc ccgtattgac gccgggcaag
     6661 agcaactcgg tcgccgcata cactattctc agaatgactt ggttgagtat tcaccagtca
     6721 cagaaaagca tcttacggat ggcatgacag taagagaatt atgcagtgct gccataacca
     6781 tgagtgataa cactgcggcc aacttacttc tgacaacgat tggaggaccg aaggagctaa
     6841 ccgctttttt gcacaacatg ggggatcatg taactcgcct tgatcgttgg gaaccggagc
     6901 tgaatgaagc cataccaaac gacgagcgtg acaccacgat gcctgtagca atggcaacaa
     6961 ccttgcgtaa actattaact ggcgaactac ttactctagc ttcccggcaa cagttgatag
     7021 actggatgga ggcggataaa gttgcaggac cacttctgcg ctcggccctt ccggctggct
     7081 ggtttattgc tgataaatct ggagccggtg agcgtgggtc tcgcggtatc attgcagcac
     7141 tggggccaga tggtaagccc tcccgtatcg tagttatcta cacgacgggg agtcaggcaa
     7201 ctatggatga acgaaataga cagatcgctg agataggtgc ctcactgatt aagcattggt
     7261 aaccgattct aggtgcattg gcgcagaaaa aaatgcctga tgcgacgctg cgcgtcttat
     7321 actcccacat atgccagatt cagcaacgga tacggcttcc ccaacttgcc cacttccata
     7381 cgtgtcctcc ttaccagaaa tttatcctta agatcgttta aactcgactc tggctctatc
     7441 gaatctccgt cgtttcgagc ttacgcgaac agccgtggcg ctcatttgct cgtcgggcat
     7501 cgaatctcgt cagctatcgt cagcttacct ttttggcagc gatcgcggct cccgacatct
     7561 tggaccatta gctccacagg tatcttcttc cctctagtgg tcataacagc agcttcagct
     7621 acctctcaat tcaaaaaacc cctcaagacc cgtttagagg ccccaagggg ttatgctatc
     7681 aatcgttgcg ttacacacac aaaaaaccaa cacacatcca tcttcgatgg atagcgattt
     7741 tattatctaa ctgctgatcg agtgtagcca gatctagtaa tcaattacgg ggtcattagt
     7801 tcatagccca tatatggagt tccgcgttac ataacttacg gtaaatggcc cgcctggctg
     7861 accgcccaac gacccccgcc cattgacgtc aataatgacg tatgttccca tagtaacgcc
     7921 aatagggact ttccattgac gtcaatgggt ggagtattta cggtaaactg cccacttggc
     7981 agtacatcaa gtgtatcata tgccaagtac gccccctatt gacgtcaatg acggtaaatg
     8041 gcccgcctgg cattatgccc agtacatgac cttatgggac tttcctactt ggcagtacat
     8101 ctacgtatta gtcatcgcta ttaccatgct gatgcggttt tggcagtaca tcaatgggcg
     8161 tggatagcgg tttgactcac ggggatttcc aagtctccac cccattgacg tcaatgggag
     8221 tttgttttgg caccaaaatc aacgggactt tccaaaatgt cgtaacaact ccgccccatt
     8281 gacgcaaatg ggcggtaggc gtgtacggtg ggaggtctat ataagcagag ctggtttagt
     8341 gaaccgtcag atcagatctt tgtcgatcct accatccact cgacacaccc gccagcggcc
     8401 gc
//
