LOCUS       sequence-307860-        5762 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  mammalian expression of C-terminally His8-Flag tagged SARS-CoV-2 
            Nsp8 under control of a tetracycline-inducible promoter.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 5762)
  AUTHORS   Bresson S, Robertson N, Sani E, Turowski TW, Shchepachev V, 
            Kompauerova M, Spanos C, Helwak A, Tollervey D
  TITLE     Integrative vectors for regulated expression of SARS-CoV-2 proteins 
            implicated in RNA metabolism.
  JOURNAL   Wellcome Open Res. 2020 Nov 3;5:261. doi: 
            10.12688/wellcomeopenres.16322.1. eCollection 2020.
  PUBMED    33313418
REFERENCE   2  (bases 1 to 5762)
  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: "Wellcome 
            Open Res."; date: "2020-11-3"; volume: "5:261. doi"; pages: " 
            10.12688/wellcomeopenres.16322.1. eCollection 2020"
COMMENT     Sequence Label: pcDNA5-FRT-TO-Nsp8-HF
FEATURES             Location/Qualifiers
     source          1..5762
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     enhancer        144..523
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
     promoter        524..727
                     /label=CMV promoter
                     /note="human cytomegalovirus (CMV) immediate early 
                     promoter"
     primer_bind     678..698
                     /label=CMV-F
                     /note="Human CMV immediate early promoter, forward primer"
     protein_bind    729..747
                     /gene="tetO"
                     /label=tet operator
                     /bound_moiety="tetracycline repressor TetR"
                     /note="bacterial operator O2 for the tetR and tetA genes"
     protein_bind    750..768
                     /gene="tetO"
                     /label=tet operator
                     /bound_moiety="tetracycline repressor TetR"
                     /note="bacterial operator O2 for the tetR and tetA genes"
     primer_bind     778..802
                     /label=LNCX
                     /note="Human CMV promoter, forward primer"
     CDS             1523..1546
                     /codon_start=1
                     /product="8xHis affinity tag"
                     /label=8xHis
                     /translation="HHHHHHHH"
     CDS             1559..1582
                     /codon_start=1
                     /product="FLAG(R) epitope tag, followed by an enterokinase 
                     cleavage site"
                     /label=FLAG
                     /translation="DYKDDDDK"
     primer_bind     complement(1623..1640)
                     /label=BGH-rev
                     /note="Bovine growth hormone terminator, reverse primer. 
                     Also called BGH reverse"
     polyA_signal    1629..1853
                     /label=bGH poly(A) signal
                     /note="bovine growth hormone polyadenylation signal"
     primer_bind     complement(1986..2005)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     protein_bind    2137..2184
                     /label=FRT
                     /bound_moiety="FLP recombinase from the Saccharomyces 
                     cerevisiae 2u plasmid"
                     /note="FLP-mediated recombination occurs in the 8-bp core 
                     sequence TCTAGAAA (Turan and Bode, 2011)."
     CDS             2192..3214
                     /codon_start=1
                     /product="hygromycin B phosphotransferase"
                     /label=HygR
                     /note="confers resistance to hygromycin"
                     /translation="KKPELTATSVEKFLIEKFDSVSDLMQLSEGEESRAFSFDVGGRGY
                     VLRVNSCADGFYKDRYVYRHFASAALPIPEVLDIGEFSESLTYCISRRAQGVTLQDLPE
                     TELPAVLQPVAEAMDAIAAADLSQTSGFGPFGPQGIGQYTTWRDFICAIADPHVYHWQT
                     VMDDTVSASVAQALDELMLWAEDCPEVRHLVHADFGSNNVLTDNGRITAVIDWSEAMFG
                     DSQYEVANIFFWRPWLACMEQQTRYFERRHPELAGSPRLRAYMLRIGLDQLYQSLVDGN
                     FDDAAWAQGRCDAIVRSGAGTVGRTQIARRSAAVWTDGCVEVLADSGNRRPSTRPRAKE
                     "
     CDS             2192..3214
                     /codon_start=1
                     /gene="aph(4)-Ia"
                     /product="aminoglycoside phosphotransferase from E. coli"
                     /label=HygR
                     /note="confers resistance to hygromycin"
                     /translation="KKPELTATSVEKFLIEKFDSVSDLMQLSEGEESRAFSFDVGGRGY
                     VLRVNSCADGFYKDRYVYRHFASAALPIPEVLDIGEFSESLTYCISRRAQGVTLQDLPE
                     TELPAVLQPVAEAMDAIAAADLSQTSGFGPFGPQGIGQYTTWRDFICAIADPHVYHWQT
                     VMDDTVSASVAQALDELMLWAEDCPEVRHLVHADFGSNNVLTDNGRITAVIDWSEAMFG
                     DSQYEVANIFFWRPWLACMEQQTRYFERRHPELAGSPRLRAYMLRIGLDQLYQSLVDGN
                     FDDAAWAQGRCDAIVRSGAGTVGRTQIARRSAAVWTDGCVEVLADSGNRRPSTRPRAKE
                     "
     polyA_signal    3344..3465
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     primer_bind     complement(3381..3400)
                     /label=SV40pA-R
                     /note="SV40 polyA, reverse primer"
     primer_bind     3435..3454
                     /label=EBV-rev
                     /note="SV40 polyA terminator, reverse primer"
     primer_bind     complement(3514..3530)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(3514..3530)
                     /label=M13 Reverse
                     /note="In lacZ gene. Also called M13-rev"
     primer_bind     complement(3527..3549)
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     protein_bind    3538..3554
                     /label=lac operator
                     /bound_moiety="lac repressor encoded by lacI"
                     /note="The lac repressor binds to the lac operator to 
                     inhibit transcription in E. coli. This inhibition can be 
                     relieved by adding lactose or 
                     isopropyl-beta-D-thiogalactopyranoside (IPTG)."
     promoter        complement(join(3562..3568,3569..3586,3587..3592))
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    3607..3628
                     /label=CAP binding site
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding activates transcription in the presence 
                     of cAMP."
     primer_bind     complement(3745..3762)
                     /label=L4440
                     /note="L4440 vector, forward primer"
     rep_origin      complement(3916..4504)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(3996..4015)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     CDS             complement(join(4675..5466,5467..5535))
                     /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     5298..5317
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     promoter        complement(5536..5640)
                     /gene="bla"
                     /label=AmpR promoter
     primer_bind     complement(5715..5734)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
ORIGIN
        1 ttgtgtgttg gaggtcgctg agtagtgcgc gagcaaaatt taagctacaa caaggcaagg
       61 cttgaccgac aattgcatga agaatctgct tagggttagg cgttttgcgc tgcttcgcga
      121 tgtacgggcc agatatacgc gttgacattg attattgact agttattaat agtaatcaat
      181 tacggggtca ttagttcata gcccatatat ggagttccgc gttacataac ttacggtaaa
      241 tggcccgcct ggctgaccgc ccaacgaccc ccgcccattg acgtcaataa tgacgtatgt
      301 tcccatagta acgccaatag ggactttcca ttgacgtcaa tgggtggagt atttacggta
      361 aactgcccac ttggcagtac atcaagtgta tcatatgcca agtacgcccc ctattgacgt
      421 caatgacggt aaatggcccg cctggcatta tgcccagtac atgaccttat gggactttcc
      481 tacttggcag tacatctacg tattagtcat cgctattacc atggtgatgc ggttttggca
      541 gtacatcaat gggcgtggat agcggtttga ctcacgggga tttccaagtc tccaccccat
      601 tgacgtcaat gggagtttgt tttggcacca aaatcaacgg gactttccaa aatgtcgtaa
      661 caactccgcc ccattgacgc aaatgggcgg taggcgtgta cggtgggagg tctatataag
      721 cagagctctc cctatcagtg atagagatct ccctatcagt gatagagatc gtcgacgagc
      781 tcgtttagtg aaccgtcaga tcgcctggag acgccatcca cgctgttttg acctccatag
      841 aagacaccgg gaccgatcca gcctccggac tctagcgttt aaacttaagc ttggtaccga
      901 gctcggatcc gggatggcta tcgcgtctga gttctcctct ctgccaagtt acgctgcatt
      961 tgcaacagcg caggaagcat acgaacaggc cgttgcgaac ggcgacagtg aagtcgtact
     1021 gaaaaaactt aaaaagtccc ttaatgttgc caagtctgag ttcgaccgcg acgcggccat
     1081 gcagaggaaa ctcgagaaga tggctgatca agccatgact caaatgtata aacaggcccg
     1141 ctcagaggac aagagagcca aggtaacgtc tgctatgcag acgatgctgt tcacaatgct
     1201 tagaaagctt gataatgatg cgcttaataa tatcatcaat aatgctagag acgggtgcgt
     1261 cccgctcaat atcattcctc tgacgacggc cgctaagttg atggtcgtga tccctgacta
     1321 caacacttat aagaacacct gcgacggaac tacctttacc tacgcgagtg cgttgtggga
     1381 aatacagcaa gtagtggatg cagacagcaa gatagtacaa ctgagcgaga tttctatgga
     1441 caactcacct aacctggcgt ggccactcat tgtcactgcg ttgcgggcca atagcgcggt
     1501 taaacttcag gcatcgggcg gacatcacca ccatcatcac catcacgccg cagccgcaga
     1561 ttataaagat gacgatgaca agtagctcga gtctagaggg cccgtttaaa cccgctgatc
     1621 agcctcgact gtgccttcta gttgccagcc atctgttgtt tgcccctccc ccgtgccttc
     1681 cttgaccctg gaaggtgcca ctcccactgt cctttcctaa taaaatgagg aaattgcatc
     1741 gcattgtctg agtaggtgtc attctattct ggggggtggg gtggggcagg acagcaaggg
     1801 ggaggattgg gaagacaata gcaggcatgc tggggatgcg gtgggctcta tggcttctga
     1861 ggcggaaaga accagctggg gctctagggg gtatccccac gcgccctgta gcggcgcatt
     1921 aagcgcggcg ggtgtggtgg ttacgcgcag cgtgaccgct acacttgcca gcgccctagc
     1981 gcccgctcct ttcgctttct tcccttcctt tctcgccacg ttcgccggct ttccccgtca
     2041 agctctaaat cgggggctcc ctttagggtt ccgatttagt gctttacggc acctcgaccc
     2101 caaaaaactt gattagggtg atggttcacg tacctagaag ttcctattcc gaagttccta
     2161 ttctctagaa agtataggaa cttccttggc caaaaagcct gaactcaccg cgacgtctgt
     2221 cgagaagttt ctgatcgaaa agttcgacag cgtctccgac ctgatgcagc tctcggaggg
     2281 cgaagaatct cgtgctttca gcttcgatgt aggagggcgt ggatatgtcc tgcgggtaaa
     2341 tagctgcgcc gatggtttct acaaagatcg ttatgtttat cggcactttg catcggccgc
     2401 gctcccgatt ccggaagtgc ttgacattgg ggaattcagc gagagcctga cctattgcat
     2461 ctcccgccgt gcacagggtg tcacgttgca agacctgcct gaaaccgaac tgcccgctgt
     2521 tctgcagccg gtcgcggagg ccatggatgc gatcgctgcg gccgatctta gccagacgag
     2581 cgggttcggc ccattcggac cgcaaggaat cggtcaatac actacatggc gtgatttcat
     2641 atgcgcgatt gctgatcccc atgtgtatca ctggcaaact gtgatggacg acaccgtcag
     2701 tgcgtccgtc gcgcaggctc tcgatgagct gatgctttgg gccgaggact gccccgaagt
     2761 ccggcacctc gtgcacgcgg atttcggctc caacaatgtc ctgacggaca atggccgcat
     2821 aacagcggtc attgactgga gcgaggcgat gttcggggat tcccaatacg aggtcgccaa
     2881 catcttcttc tggaggccgt ggttggcttg tatggagcag cagacgcgct acttcgagcg
     2941 gaggcatccg gagcttgcag gatcgccgcg gctccgggcg tatatgctcc gcattggtct
     3001 tgaccaactc tatcagagct tggttgacgg caatttcgat gatgcagctt gggcgcaggg
     3061 tcgatgcgac gcaatcgtcc gatccggagc cgggactgtc gggcgtacac aaatcgcccg
     3121 cagaagcgcg gccgtctgga ccgatggctg tgtagaagta ctcgccgata gtggaaaccg
     3181 acgccccagc actcgtccga gggcaaagga atagcacgta ctacgagatt tcgattccac
     3241 cgccgccttc tatgaaaggt tgggcttcgg aatcgttttc cgggacgccg gctggatgat
     3301 cctccagcgc ggggatctca tgctggagtt cttcgcccac cccaacttgt ttattgcagc
     3361 ttataatggt tacaaataaa gcaatagcat cacaaatttc acaaataaag catttttttc
     3421 actgcattct agttgtggtt tgtccaaact catcaatgta tcttatcatg tctgtatacc
     3481 gtcgacctct agctagagct tggcgtaatc atggtcatag ctgtttcctg tgtgaaattg
     3541 ttatccgctc acaattccac acaacatacg agccggaagc ataaagtgta aagcctgggg
     3601 tgcctaatga gtgagctaac tcacattaat tgcgttgcgc tcactgcccg ctttccagtc
     3661 gggaaacctg tcgtgccagc tgcattaatg aatcggccaa cgcgcgggga gaggcggttt
     3721 gcgtattggg cgctcttccg cttcctcgct cactgactcg ctgcgctcgg tcgttcggct
     3781 gcggcgagcg gtatcagctc actcaaaggc ggtaatacgg ttatccacag aatcagggga
     3841 taacgcagga aagaacatgt gagcaaaagg ccagcaaaag gccaggaacc gtaaaaaggc
     3901 cgcgttgctg gcgtttttcc ataggctccg cccccctgac gagcatcaca aaaatcgacg
     3961 ctcaagtcag aggtggcgaa acccgacagg actataaaga taccaggcgt ttccccctgg
     4021 aagctccctc gtgcgctctc ctgttccgac cctgccgctt accggatacc tgtccgcctt
     4081 tctcccttcg ggaagcgtgg cgctttctca tagctcacgc tgtaggtatc tcagttcggt
     4141 gtaggtcgtt cgctccaagc tgggctgtgt gcacgaaccc cccgttcagc ccgaccgctg
     4201 cgccttatcc ggtaactatc gtcttgagtc caacccggta agacacgact tatcgccact
     4261 ggcagcagcc actggtaaca ggattagcag agcgaggtat gtaggcggtg ctacagagtt
     4321 cttgaagtgg tggcctaact acggctacac tagaagaaca gtatttggta tctgcgctct
     4381 gctgaagcca gttaccttcg gaaaaagagt tggtagctct tgatccggca aacaaaccac
     4441 cgctggtagc ggtggttttt ttgtttgcaa gcagcagatt acgcgcagaa aaaaaggatc
     4501 tcaagaagat cctttgatct tttctacggg gtctgacgct cagtggaacg aaaactcacg
     4561 ttaagggatt ttggtcatga gattatcaaa aaggatcttc acctagatcc ttttaaatta
     4621 aaaatgaagt tttaaatcaa tctaaagtat atatgagtaa acttggtctg acagttacca
     4681 atgcttaatc agtgaggcac ctatctcagc gatctgtcta tttcgttcat ccatagttgc
     4741 ctgactcccc gtcgtgtaga taactacgat acgggagggc ttaccatctg gccccagtgc
     4801 tgcaatgata ccgcgagacc cacgctcacc ggctccagat ttatcagcaa taaaccagcc
     4861 agccggaagg gccgagcgca gaagtggtcc tgcaacttta tccgcctcca tccagtctat
     4921 taattgttgc cgggaagcta gagtaagtag ttcgccagtt aatagtttgc gcaacgttgt
     4981 tgccattgct acaggcatcg tggtgtcacg ctcgtcgttt ggtatggctt cattcagctc
     5041 cggttcccaa cgatcaaggc gagttacatg atcccccatg ttgtgcaaaa aagcggttag
     5101 ctccttcggt cctccgatcg ttgtcagaag taagttggcc gcagtgttat cactcatggt
     5161 tatggcagca ctgcataatt ctcttactgt catgccatcc gtaagatgct tttctgtgac
     5221 tggtgagtac tcaaccaagt cattctgaga atagtgtatg cggcgaccga gttgctcttg
     5281 cccggcgtca atacgggata ataccgcgcc acatagcaga actttaaaag tgctcatcat
     5341 tggaaaacgt tcttcggggc gaaaactctc aaggatctta ccgctgttga gatccagttc
     5401 gatgtaaccc actcgtgcac ccaactgatc ttcagcatct tttactttca ccagcgtttc
     5461 tgggtgagca aaaacaggaa ggcaaaatgc cgcaaaaaag ggaataaggg cgacacggaa
     5521 atgttgaata ctcatactct tcctttttca atattattga agcatttatc agggttattg
     5581 tctcatgagc ggatacatat ttgaatgtat ttagaaaaat aaacaaatag gggttccgcg
     5641 cacatttccc cgaaaagtgc cacctgacgt cgacggatcg ggagatctcc cgatccccta
     5701 tggtgcactc tcagtacaat ctgctctgat gccgcatagt taagccagta tctgctccct
     5761 gc
//
