LOCUS       sequence-307838-        5772 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  mammalian expression of N-terminally Flag-His8 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 5772)
  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 5772)
  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-FH-Nsp8
FEATURES             Location/Qualifiers
     source          1..5772
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     enhancer        121..500
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
     promoter        501..704
                     /label=CMV promoter
                     /note="human cytomegalovirus (CMV) immediate early 
                     promoter"
     primer_bind     655..675
                     /label=CMV-F
                     /note="Human CMV immediate early promoter, forward primer"
     protein_bind    706..724
                     /gene="tetO"
                     /label=tet operator
                     /bound_moiety="tetracycline repressor TetR"
                     /note="bacterial operator O2 for the tetR and tetA genes"
     protein_bind    727..745
                     /gene="tetO"
                     /label=tet operator
                     /bound_moiety="tetracycline repressor TetR"
                     /note="bacterial operator O2 for the tetR and tetA genes"
     primer_bind     755..779
                     /label=LNCX
                     /note="Human CMV promoter, forward primer"
     CDS             876..899
                     /codon_start=1
                     /product="FLAG(R) epitope tag, followed by an enterokinase 
                     cleavage site"
                     /label=FLAG
                     /translation="DYKDDDDK"
     CDS             912..935
                     /codon_start=1
                     /product="8xHis affinity tag"
                     /label=8xHis
                     /translation="HHHHHHHH"
     primer_bind     complement(1610..1627)
                     /label=BGH-rev
                     /note="Bovine growth hormone terminator, reverse primer. 
                     Also called BGH reverse"
     polyA_signal    1616..1840
                     /label=bGH poly(A) signal
                     /note="bovine growth hormone polyadenylation signal"
     primer_bind     complement(1973..1992)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     protein_bind    2124..2171
                     /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             2179..3201
                     /codon_start=1
                     /product="hygromycin B phosphotransferase"
                     /label=HygR
                     /note="confers resistance to hygromycin"
                     /translation="KKPELTATSVEKFLIEKFDSVSDLMQLSEGEESRAFSFDVGGRGY
                     VLRVNSCADGFYKDRYVYRHFASAALPIPEVLDIGEFSESLTYCISRRAQGVTLQDLPE
                     TELPAVLQPVAEAMDAIAAADLSQTSGFGPFGPQGIGQYTTWRDFICAIADPHVYHWQT
                     VMDDTVSASVAQALDELMLWAEDCPEVRHLVHADFGSNNVLTDNGRITAVIDWSEAMFG
                     DSQYEVANIFFWRPWLACMEQQTRYFERRHPELAGSPRLRAYMLRIGLDQLYQSLVDGN
                     FDDAAWAQGRCDAIVRSGAGTVGRTQIARRSAAVWTDGCVEVLADSGNRRPSTRPRAKE
                     "
     CDS             2179..3201
                     /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    3331..3452
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     primer_bind     complement(3368..3387)
                     /label=SV40pA-R
                     /note="SV40 polyA, reverse primer"
     primer_bind     3422..3441
                     /label=EBV-rev
                     /note="SV40 polyA terminator, reverse primer"
     primer_bind     complement(3501..3517)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(3501..3517)
                     /label=M13 Reverse
                     /note="In lacZ gene. Also called M13-rev"
     primer_bind     complement(3514..3536)
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     protein_bind    3525..3541
                     /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(3549..3555,3556..3573,3574..3579))
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    3594..3615
                     /label=CAP binding site
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding activates transcription in the presence 
                     of cAMP."
     primer_bind     complement(3732..3749)
                     /label=L4440
                     /note="L4440 vector, forward primer"
     rep_origin      complement(3903..4491)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(3983..4002)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     CDS             complement(join(4662..5453,5454..5522))
                     /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     5285..5304
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     promoter        complement(5523..5627)
                     /gene="bla"
                     /label=AmpR promoter
     primer_bind     complement(5702..5721)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
ORIGIN
        1 agtgcgcgag caaaatttaa gctacaacaa ggcaaggctt gaccgacaat tgcatgaaga
       61 atctgcttag ggttaggcgt tttgcgctgc ttcgcgatgt acgggccaga tatacgcgtt
      121 gacattgatt attgactagt tattaatagt aatcaattac ggggtcatta gttcatagcc
      181 catatatgga gttccgcgtt acataactta cggtaaatgg cccgcctggc tgaccgccca
      241 acgacccccg cccattgacg tcaataatga cgtatgttcc catagtaacg ccaataggga
      301 ctttccattg acgtcaatgg gtggagtatt tacggtaaac tgcccacttg gcagtacatc
      361 aagtgtatca tatgccaagt acgcccccta ttgacgtcaa tgacggtaaa tggcccgcct
      421 ggcattatgc ccagtacatg accttatggg actttcctac ttggcagtac atctacgtat
      481 tagtcatcgc tattaccatg gtgatgcggt tttggcagta catcaatggg cgtggatagc
      541 ggtttgactc acggggattt ccaagtctcc accccattga cgtcaatggg agtttgtttt
      601 ggcaccaaaa tcaacgggac tttccaaaat gtcgtaacaa ctccgcccca ttgacgcaaa
      661 tgggcggtag gcgtgtacgg tgggaggtct atataagcag agctctccct atcagtgata
      721 gagatctccc tatcagtgat agagatcgtc gacgagctcg tttagtgaac cgtcagatcg
      781 cctggagacg ccatccacgc tgttttgacc tccatagaag acaccgggac cgatccagcc
      841 tccggactct agcgtttaaa cttaagcttg agatggacta taaagatgac gatgacaagg
      901 ccgcagccgc acatcaccac catcatcacc atcacggatc cgggatggct atcgcgtctg
      961 agttctcctc tctgccaagt tacgctgcat ttgcaacagc gcaggaagca tacgaacagg
     1021 ccgttgcgaa cggcgacagt gaagtcgtac tgaaaaaact taaaaagtcc cttaatgttg
     1081 ccaagtctga gttcgaccgc gacgcggcca tgcagaggaa actcgagaag atggctgatc
     1141 aagccatgac tcaaatgtat aaacaggccc gctcagagga caagagagcc aaggtaacgt
     1201 ctgctatgca gacgatgctg ttcacaatgc ttagaaagct tgataatgat gcgcttaata
     1261 atatcatcaa taatgctaga gacgggtgcg tcccgctcaa tatcattcct ctgacgacgg
     1321 ccgctaagtt gatggtcgtg atccctgact acaacactta taagaacacc tgcgacggaa
     1381 ctacctttac ctacgcgagt gcgttgtggg aaatacagca agtagtggat gcagacagca
     1441 agatagtaca actgagcgag atttctatgg acaactcacc taacctggcg tggccactca
     1501 ttgtcactgc gttgcgggcc aatagcgcgg ttaaacttca ggcctaggag atatccagca
     1561 cagtggcggc cgctcgagtc tagagggccc gtttaaaccc gctgatcagc ctcgactgtg
     1621 ccttctagtt gccagccatc tgttgtttgc ccctcccccg tgccttcctt gaccctggaa
     1681 ggtgccactc ccactgtcct ttcctaataa aatgaggaaa ttgcatcgca ttgtctgagt
     1741 aggtgtcatt ctattctggg gggtggggtg gggcaggaca gcaaggggga ggattgggaa
     1801 gacaatagca ggcatgctgg ggatgcggtg ggctctatgg cttctgaggc ggaaagaacc
     1861 agctggggct ctagggggta tccccacgcg ccctgtagcg gcgcattaag cgcggcgggt
     1921 gtggtggtta cgcgcagcgt gaccgctaca cttgccagcg ccctagcgcc cgctcctttc
     1981 gctttcttcc cttcctttct cgccacgttc gccggctttc cccgtcaagc tctaaatcgg
     2041 gggctccctt tagggttccg atttagtgct ttacggcacc tcgaccccaa aaaacttgat
     2101 tagggtgatg gttcacgtac ctagaagttc ctattccgaa gttcctattc tctagaaagt
     2161 ataggaactt ccttggccaa aaagcctgaa ctcaccgcga cgtctgtcga gaagtttctg
     2221 atcgaaaagt tcgacagcgt ctccgacctg atgcagctct cggagggcga agaatctcgt
     2281 gctttcagct tcgatgtagg agggcgtgga tatgtcctgc gggtaaatag ctgcgccgat
     2341 ggtttctaca aagatcgtta tgtttatcgg cactttgcat cggccgcgct cccgattccg
     2401 gaagtgcttg acattgggga attcagcgag agcctgacct attgcatctc ccgccgtgca
     2461 cagggtgtca cgttgcaaga cctgcctgaa accgaactgc ccgctgttct gcagccggtc
     2521 gcggaggcca tggatgcgat cgctgcggcc gatcttagcc agacgagcgg gttcggccca
     2581 ttcggaccgc aaggaatcgg tcaatacact acatggcgtg atttcatatg cgcgattgct
     2641 gatccccatg tgtatcactg gcaaactgtg atggacgaca ccgtcagtgc gtccgtcgcg
     2701 caggctctcg atgagctgat gctttgggcc gaggactgcc ccgaagtccg gcacctcgtg
     2761 cacgcggatt tcggctccaa caatgtcctg acggacaatg gccgcataac agcggtcatt
     2821 gactggagcg aggcgatgtt cggggattcc caatacgagg tcgccaacat cttcttctgg
     2881 aggccgtggt tggcttgtat ggagcagcag acgcgctact tcgagcggag gcatccggag
     2941 cttgcaggat cgccgcggct ccgggcgtat atgctccgca ttggtcttga ccaactctat
     3001 cagagcttgg ttgacggcaa tttcgatgat gcagcttggg cgcagggtcg atgcgacgca
     3061 atcgtccgat ccggagccgg gactgtcggg cgtacacaaa tcgcccgcag aagcgcggcc
     3121 gtctggaccg atggctgtgt agaagtactc gccgatagtg gaaaccgacg ccccagcact
     3181 cgtccgaggg caaaggaata gcacgtacta cgagatttcg attccaccgc cgccttctat
     3241 gaaaggttgg gcttcggaat cgttttccgg gacgccggct ggatgatcct ccagcgcggg
     3301 gatctcatgc tggagttctt cgcccacccc aacttgttta ttgcagctta taatggttac
     3361 aaataaagca atagcatcac aaatttcaca aataaagcat ttttttcact gcattctagt
     3421 tgtggtttgt ccaaactcat caatgtatct tatcatgtct gtataccgtc gacctctagc
     3481 tagagcttgg cgtaatcatg gtcatagctg tttcctgtgt gaaattgtta tccgctcaca
     3541 attccacaca acatacgagc cggaagcata aagtgtaaag cctggggtgc ctaatgagtg
     3601 agctaactca cattaattgc gttgcgctca ctgcccgctt tccagtcggg aaacctgtcg
     3661 tgccagctgc attaatgaat cggccaacgc gcggggagag gcggtttgcg tattgggcgc
     3721 tcttccgctt cctcgctcac tgactcgctg cgctcggtcg ttcggctgcg gcgagcggta
     3781 tcagctcact caaaggcggt aatacggtta tccacagaat caggggataa cgcaggaaag
     3841 aacatgtgag caaaaggcca gcaaaaggcc aggaaccgta aaaaggccgc gttgctggcg
     3901 tttttccata ggctccgccc ccctgacgag catcacaaaa atcgacgctc aagtcagagg
     3961 tggcgaaacc cgacaggact ataaagatac caggcgtttc cccctggaag ctccctcgtg
     4021 cgctctcctg ttccgaccct gccgcttacc ggatacctgt ccgcctttct cccttcggga
     4081 agcgtggcgc tttctcatag ctcacgctgt aggtatctca gttcggtgta ggtcgttcgc
     4141 tccaagctgg gctgtgtgca cgaacccccc gttcagcccg accgctgcgc cttatccggt
     4201 aactatcgtc ttgagtccaa cccggtaaga cacgacttat cgccactggc agcagccact
     4261 ggtaacagga ttagcagagc gaggtatgta ggcggtgcta cagagttctt gaagtggtgg
     4321 cctaactacg gctacactag aagaacagta tttggtatct gcgctctgct gaagccagtt
     4381 accttcggaa aaagagttgg tagctcttga tccggcaaac aaaccaccgc tggtagcggt
     4441 ggtttttttg tttgcaagca gcagattacg cgcagaaaaa aaggatctca agaagatcct
     4501 ttgatctttt ctacggggtc tgacgctcag tggaacgaaa actcacgtta agggattttg
     4561 gtcatgagat tatcaaaaag gatcttcacc tagatccttt taaattaaaa atgaagtttt
     4621 aaatcaatct aaagtatata tgagtaaact tggtctgaca gttaccaatg cttaatcagt
     4681 gaggcaccta tctcagcgat ctgtctattt cgttcatcca tagttgcctg actccccgtc
     4741 gtgtagataa ctacgatacg ggagggctta ccatctggcc ccagtgctgc aatgataccg
     4801 cgagacccac gctcaccggc tccagattta tcagcaataa accagccagc cggaagggcc
     4861 gagcgcagaa gtggtcctgc aactttatcc gcctccatcc agtctattaa ttgttgccgg
     4921 gaagctagag taagtagttc gccagttaat agtttgcgca acgttgttgc cattgctaca
     4981 ggcatcgtgg tgtcacgctc gtcgtttggt atggcttcat tcagctccgg ttcccaacga
     5041 tcaaggcgag ttacatgatc ccccatgttg tgcaaaaaag cggttagctc cttcggtcct
     5101 ccgatcgttg tcagaagtaa gttggccgca gtgttatcac tcatggttat ggcagcactg
     5161 cataattctc ttactgtcat gccatccgta agatgctttt ctgtgactgg tgagtactca
     5221 accaagtcat tctgagaata gtgtatgcgg cgaccgagtt gctcttgccc ggcgtcaata
     5281 cgggataata ccgcgccaca tagcagaact ttaaaagtgc tcatcattgg aaaacgttct
     5341 tcggggcgaa aactctcaag gatcttaccg ctgttgagat ccagttcgat gtaacccact
     5401 cgtgcaccca actgatcttc agcatctttt actttcacca gcgtttctgg gtgagcaaaa
     5461 acaggaaggc aaaatgccgc aaaaaaggga ataagggcga cacggaaatg ttgaatactc
     5521 atactcttcc tttttcaata ttattgaagc atttatcagg gttattgtct catgagcgga
     5581 tacatatttg aatgtattta gaaaaataaa caaatagggg ttccgcgcac atttccccga
     5641 aaagtgccac ctgacgtcga cggatcggga gatctcccga tcccctatgg tgcactctca
     5701 gtacaatctg ctctgatgcc gcatagttaa gccagtatct gctccctgct tgtgtgttgg
     5761 aggtcgctga gt
//
