LOCUS       sequence-200340-        5250 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Expression of your protein of interest in fusion with 3xFLAG at the 
            C-terminus. The tag is cleavable by TEV protease..
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 5250)
  AUTHORS   Szczesny RJ, Kowalska K, Klosowska-Kosicka K, Chlebowski A, Owczarek
            EP, Warkocki Z, Kulinski TM, Adamska D, Affek K, Jedroszkowiak A, 
            Kotrys AV, Tomecki R, Krawczyk PS, Borowski LS, Dziembowski A
  TITLE     Versatile approach for functional analysis of human proteins and 
            efficient stable cell line generation using FLP-mediated 
            recombination system.
  JOURNAL   PLoS One. 2018 Mar 28;13(3):e0194887. doi: 
            10.1371/journal.pone.0194887. eCollection 2018.
  PUBMED    29590189
REFERENCE   2  (bases 1 to 5250)
  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: "PLoS One.";
            date: "2018-03-28"; volume: "13(3):e0194887. doi"; pages: " 
            10.1371/journal.pone.0194887. eCollection 2018"
COMMENT     Sequence Label: pKK-TEV-3XFLAG
FEATURES             Location/Qualifiers
     source          1..5250
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     primer_bind     complement(44..63)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
     enhancer        235..614
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
     promoter        615..818
                     /label=CMV promoter
                     /note="human cytomegalovirus (CMV) immediate early 
                     promoter"
     primer_bind     769..789
                     /label=CMV-F
                     /note="Human CMV immediate early promoter, forward primer"
     protein_bind    820..838
                     /gene="tetO"
                     /label=tet operator
                     /bound_moiety="tetracycline repressor TetR"
                     /note="bacterial operator O2 for the tetR and tetA genes"
     protein_bind    841..859
                     /gene="tetO"
                     /label=tet operator
                     /bound_moiety="tetracycline repressor TetR"
                     /note="bacterial operator O2 for the tetR and tetA genes"
     primer_bind     869..893
                     /label=LNCX
                     /note="Human CMV promoter, forward primer"
     CDS             1002..1022
                     /codon_start=1
                     /product="tobacco etch virus (TEV) protease recognition and
                     cleavage site"
                     /label=TEV site
                     /translation="ENLYFQG"
     CDS             1063..1083
                     /codon_start=1
                     /product="tobacco etch virus (TEV) protease recognition and
                     cleavage site"
                     /label=TEV site
                     /translation="ENLYFQG"
     CDS             1108..1173
                     /codon_start=1
                     /product="three tandem FLAG(R) epitope tags, followed by an
                     enterokinase cleavage site"
                     /label=3xFLAG
                     /translation="DYKDHDGDYKDHDIDYKDDDDK"
     primer_bind     complement(1202..1219)
                     /label=BGH-rev
                     /note="Bovine growth hormone terminator, reverse primer. 
                     Also called BGH reverse"
     polyA_signal    1208..1432
                     /label=bGH poly(A) signal
                     /note="bovine growth hormone polyadenylation signal"
     primer_bind     complement(1565..1584)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     protein_bind    1716..1763
                     /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             1771..2793
                     /codon_start=1
                     /product="hygromycin B phosphotransferase"
                     /label=HygR
                     /note="confers resistance to hygromycin"
                     /translation="KKPELTATSVEKFLIEKFDSVSDLMQLSEGEESRAFSFDVGGRGY
                     VLRVNSCADGFYKDRYVYRHFASAALPIPEVLDIGEFSESLTYCISRRAQGVTLQDLPE
                     TELPAVLQPVAEAMDAIAAADLSQTSGFGPFGPQGIGQYTTWRDFICAIADPHVYHWQT
                     VMDDTVSASVAQALDELMLWAEDCPEVRHLVHADFGSNNVLTDNGRITAVIDWSEAMFG
                     DSQYEVANIFFWRPWLACMEQQTRYFERRHPELAGSPRLRAYMLRIGLDQLYQSLVDGN
                     FDDAAWAQGRCDAIVRSGAGTVGRTQIARRSAAVWTDGCVEVLADSGNRRPSTRPRAKE
                     "
     CDS             1771..2793
                     /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    2923..3044
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     primer_bind     complement(2960..2979)
                     /label=SV40pA-R
                     /note="SV40 polyA, reverse primer"
     primer_bind     3014..3033
                     /label=EBV-rev
                     /note="SV40 polyA terminator, reverse primer"
     primer_bind     complement(3093..3109)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(3093..3109)
                     /label=M13 Reverse
                     /note="In lacZ gene. Also called M13-rev"
     primer_bind     complement(3106..3128)
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     protein_bind    3117..3133
                     /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(3141..3147,3148..3165,3166..3171))
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    3186..3207
                     /label=CAP binding site
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding activates transcription in the presence 
                     of cAMP."
     primer_bind     complement(3324..3341)
                     /label=L4440
                     /note="L4440 vector, forward primer"
     rep_origin      complement(3495..4083)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(3575..3594)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     CDS             complement(join(4254..5045,5046..5114))
                     /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     4877..4896
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     promoter        complement(5115..5219)
                     /gene="bla"
                     /label=AmpR promoter
ORIGIN
        1 gacggatcgg gagatctccc gatcccctat ggtgcactct cagtacaatc tgctctgatg
       61 ccgcatagtt aagccagtat ctgctccctg cttgtgtgtt ggaggtcgct gagtagtgcg
      121 cgagcaaaat ttaagctaca acaaggcaag gcttgaccga caattgcatg aagaatctgc
      181 ttagggttag gcgttttgcg ctgcttcgcg atgtacgggc cagatatacg cgttgacatt
      241 gattattgac tagttattaa tagtaatcaa ttacggggtc attagttcat agcccatata
      301 tggagttccg cgttacataa cttacggtaa atggcccgcc tggctgaccg cccaacgacc
      361 cccgcccatt gacgtcaata atgacgtatg ttcccatagt aacgccaata gggactttcc
      421 attgacgtca atgggtggag tatttacggt aaactgccca cttggcagta catcaagtgt
      481 atcatatgcc aagtacgccc cctattgacg tcaatgacgg taaatggccc gcctggcatt
      541 atgcccagta catgacctta tgggactttc ctacttggca gtacatctac gtattagtca
      601 tcgctattac catggtgatg cggttttggc agtacatcaa tgggcgtgga tagcggtttg
      661 actcacgggg atttccaagt ctccacccca ttgacgtcaa tgggagtttg ttttggcacc
      721 aaaatcaacg ggactttcca aaatgtcgta acaactccgc cccattgacg caaatgggcg
      781 gtaggcgtgt acggtgggag gtctatataa gcagagctct ccctatcagt gatagagatc
      841 tccctatcag tgatagagat cgtcgacgag ctcgtttagt gaaccgtcag atcgcctgga
      901 gacgccatcc acgctgtttt gacctccata gaagacaccg ggaccgatcc agcctccgga
      961 ctctggcgtt taaacttaag cttggtaccg agctcggatc cgaaaacctg tacttccaag
     1021 gaaccggtgg tcacctgtac aatcgatcct gcaggagcta gcgagaattt gtattttcag
     1081 ggtgatatcc agcacagtgg cggccgcgac tacaaagacc atgacggtga ttataaagat
     1141 catgacatcg attacaagga tgacgatgac aagtaagggc ccgtttaaac ccgctgatca
     1201 gcctcgactg tgccttctag ttgccagcca tctgttgttt gcccctcccc cgtgccttcc
     1261 ttgaccctgg aaggtgccac tcccactgtc ctttcctaat aaaatgagga aattgcatcg
     1321 cattgtctga gtaggtgtca ttctattctg gggggtgggg tggggcagga cagcaagggg
     1381 gaggattggg aagacaatag caggcatgct ggggatgcgg tgggctctat ggcttctgag
     1441 gcggaaagaa ccagctgggg ctctaggggg tatccccacg cgccctgtag cggcgcatta
     1501 agcgcggcgg gtgtggtggt tacgcgcagc gtgaccgcta cacttgccag cgccctagcg
     1561 cccgctcctt tcgctttctt cccttccttt ctcgccacgt tcgccggctt tccccgtcaa
     1621 gctctaaatc gggggctccc tttagggttc cgatttagtg ctttacggca cctcgacccc
     1681 aaaaaacttg attagggtga tggttcacgt acctagaagt tcctattccg aagttcctat
     1741 tctctagaaa gtataggaac ttccttggcc aaaaagcctg aactcaccgc gacgtctgtc
     1801 gagaagtttc tgatcgaaaa gttcgacagc gtctccgacc tgatgcagct ctcggagggc
     1861 gaagaatctc gtgctttcag cttcgatgta ggagggcgtg gatatgtcct gcgggtaaat
     1921 agctgcgccg atggtttcta caaagatcgt tatgtttatc ggcactttgc atcggccgcg
     1981 ctcccgattc cggaagtgct tgacattggg gaattcagcg agagcctgac ctattgcatc
     2041 tcccgccgtg cacagggtgt cacgttgcaa gacctgcctg aaaccgaact gcccgctgtt
     2101 ctgcagccgg tcgcggaggc catggatgcg atcgctgcgg ccgatcttag ccagacgagc
     2161 gggttcggcc cattcggacc gcaaggaatc ggtcaataca ctacatggcg tgatttcata
     2221 tgcgcgattg ctgatcccca tgtgtatcac tggcaaactg tgatggacga caccgtcagt
     2281 gcgtccgtcg cgcaggctct cgatgagctg atgctttggg ccgaggactg ccccgaagtc
     2341 cggcacctcg tgcacgcgga tttcggctcc aacaatgtcc tgacggacaa tggccgcata
     2401 acagcggtca ttgactggag cgaggcgatg ttcggggatt cccaatacga ggtcgccaac
     2461 atcttcttct ggaggccgtg gttggcttgt atggagcagc agacgcgcta cttcgagcgg
     2521 aggcatccgg agcttgcagg atcgccgcgg ctccgggcgt atatgctccg cattggtctt
     2581 gaccaactct atcagagctt ggttgacggc aatttcgatg atgcagcttg ggcgcagggt
     2641 cgatgcgacg caatcgtccg atccggagcc gggactgtcg ggcgtacaca aatcgcccgc
     2701 agaagcgcgg ccgtctggac cgatggctgt gtagaagtac tcgccgatag tggaaaccga
     2761 cgccccagca ctcgtccgag ggcaaaggaa tagcacgtac tacgagattt cgattccacc
     2821 gccgccttct atgaaaggtt gggcttcgga atcgttttcc gggacgccgg ctggatgatc
     2881 ctccagcgcg gggatctcat gctggagttc ttcgcccacc ccaacttgtt tattgcagct
     2941 tataatggtt acaaataaag caatagcatc acaaatttca caaataaagc atttttttca
     3001 ctgcattcta gttgtggttt gtccaaactc atcaatgtat cttatcatgt ctgtataccg
     3061 tcgacctcta gctagagctt ggcgtaatca tggtcatagc tgtttcctgt gtgaaattgt
     3121 tatccgctca caattccaca caacatacga gccggaagca taaagtgtaa agcctggggt
     3181 gcctaatgag tgagctaact cacattaatt gcgttgcgct cactgcccgc tttccagtcg
     3241 ggaaacctgt cgtgccagct gcattaatga atcggccaac gcgcggggag aggcggtttg
     3301 cgtattgggc gctcttccgc ttcctcgctc actgactcgc tgcgctcggt cgttcggctg
     3361 cggcgagcgg tatcagctca ctcaaaggcg gtaatacggt tatccacaga atcaggggat
     3421 aacgcaggaa agaacatgtg agcaaaaggc cagcaaaagg ccaggaaccg taaaaaggcc
     3481 gcgttgctgg cgtttttcca taggctccgc ccccctgacg agcatcacaa aaatcgacgc
     3541 tcaagtcaga ggtggcgaaa cccgacagga ctataaagat accaggcgtt tccccctgga
     3601 agctccctcg tgcgctctcc tgttccgacc ctgccgctta ccggatacct gtccgccttt
     3661 ctcccttcgg gaagcgtggc gctttctcat agctcacgct gtaggtatct cagttcggtg
     3721 taggtcgttc gctccaagct gggctgtgtg cacgaacccc ccgttcagcc cgaccgctgc
     3781 gccttatccg gtaactatcg tcttgagtcc aacccggtaa gacacgactt atcgccactg
     3841 gcagcagcca ctggtaacag gattagcaga gcgaggtatg taggcggtgc tacagagttc
     3901 ttgaagtggt ggcctaacta cggctacact agaagaacag tatttggtat ctgcgctctg
     3961 ctgaagccag ttaccttcgg aaaaagagtt ggtagctctt gatccggcaa acaaaccacc
     4021 gctggtagcg gtggtttttt tgtttgcaag cagcagatta cgcgcagaaa aaaaggatct
     4081 caagaagatc ctttgatctt ttctacgggg tctgacgctc agtggaacga aaactcacgt
     4141 taagggattt tggtcatgag attatcaaaa aggatcttca cctagatcct tttaaattaa
     4201 aaatgaagtt ttaaatcaat ctaaagtata tatgagtaaa cttggtctga cagttaccaa
     4261 tgcttaatca gtgaggcacc tatctcagcg atctgtctat ttcgttcatc catagttgcc
     4321 tgactccccg tcgtgtagat aactacgata cgggagggct taccatctgg ccccagtgct
     4381 gcaatgatac cgcgagaccc acgctcaccg gctccagatt tatcagcaat aaaccagcca
     4441 gccggaaggg ccgagcgcag aagtggtcct gcaactttat ccgcctccat ccagtctatt
     4501 aattgttgcc gggaagctag agtaagtagt tcgccagtta atagtttgcg caacgttgtt
     4561 gccattgcta caggcatcgt ggtgtcacgc tcgtcgtttg gtatggcttc attcagctcc
     4621 ggttcccaac gatcaaggcg agttacatga tcccccatgt tgtgcaaaaa agcggttagc
     4681 tccttcggtc ctccgatcgt tgtcagaagt aagttggccg cagtgttatc actcatggtt
     4741 atggcagcac tgcataattc tcttactgtc atgccatccg taagatgctt ttctgtgact
     4801 ggtgagtact caaccaagtc attctgagaa tagtgtatgc ggcgaccgag ttgctcttgc
     4861 ccggcgtcaa tacgggataa taccgcgcca catagcagaa ctttaaaagt gctcatcatt
     4921 ggaaaacgtt cttcggggcg aaaactctca aggatcttac cgctgttgag atccagttcg
     4981 atgtaaccca ctcgtgcacc caactgatct tcagcatctt ttactttcac cagcgtttct
     5041 gggtgagcaa aaacaggaag gcaaaatgcc gcaaaaaagg gaataagggc gacacggaaa
     5101 tgttgaatac tcatactctt cctttttcaa tattattgaa gcatttatca gggttattgt
     5161 ctcatgagcg gatacatatt tgaatgtatt tagaaaaata aacaaatagg ggttccgcgc
     5221 acatttcccc gaaaagtgcc acctgacgtc
//
