LOCUS       sequence-339435-        7027 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Ionic strength FRET sensor with mCerulean3 and mCitrine for 
            mammalian cell expression. .
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 7027)
  AUTHORS   Liu B, Poolman B, Boersma AJ
  TITLE     Ionic Strength Sensing in Living Cells.
  JOURNAL   ACS Chem Biol. 2017 Oct 20;12(10):2510-2514. doi: 
            10.1021/acschembio.7b00348. Epub 2017 Sep 6.
  PUBMED    28853549
REFERENCE   2  (bases 1 to 7027)
  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"; doi: 
            "10.1021/acschembio.7b00348"; journalName: "ACS Chem Biol"; date: 
            "2017-10-20- 20"; volume: "12"; issue: "10"; pages: "2510-2514"
COMMENT     Sequence Label: pcDNA3.1_ionRE
FEATURES             Location/Qualifiers
     source          1..7027
                     /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"
     primer_bind     863..882
                     /label=T7
                     /note="T7 promoter, forward primer"
     promoter        863..881
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     primer_bind     complement(1207..1226)
                     /label=EXFP-R
                     /note="For distinguishing EGFP variants, reverse primer"
     CDS             2178..2189
                     /codon_start=1
                     /product="WELQut protease recognition and cleavage site"
                     /label=WELQut site
                     /translation="WELQ"
     primer_bind     complement(2618..2635)
                     /label=BGH-rev
                     /note="Bovine growth hormone terminator, reverse primer. 
                     Also called BGH reverse"
     polyA_signal    2624..2848
                     /label=bGH poly(A) signal
                     /note="bovine growth hormone polyadenylation signal"
     rep_origin      2894..3322
                     /direction=RIGHT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(2981..3000)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     primer_bind     3191..3212
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     primer_bind     complement(3331..3351)
                     /label=pBABE 3'
                     /note="SV40 enhancer, reverse primer for pBABE vectors"
     promoter        3336..3665
                     /label=SV40 promoter
                     /note="SV40 enhancer and early promoter"
     rep_origin      3516..3651
                     /label=SV40 ori
                     /note="SV40 origin of replication"
     primer_bind     3578..3597
                     /label=SV40pro-F
                     /note="SV40 promoter/origin, forward primer"
     CDS             3732..4526
                     /codon_start=1
                     /gene="aph(3')-II (or nptII)"
                     /product="aminoglycoside phosphotransferase from Tn5"
                     /label=NeoR/KanR
                     /note="confers resistance to neomycin, kanamycin, and G418 
                     (Geneticin(R))"
                     /translation="MIEQDGLHAGSPAAWVERLFGYDWAQQTIGCSDAAVFRLSAQGRP
                     VLFVKTDLSGALNELQDEAARLSWLATTGVPCAAVLDVVTEAGRDWLLLGEVPGQDLLS
                     SHLAPAEKVSIMADAMRRLHTLDPATCPFDHQAKHRIERARTRMEAGLVDQDDLDEEHQ
                     GLAPAELFARLKARMPDGEDLVVTHGDACLPNIMVENGRFSGFIDCGRLGVADRYQDIA
                     LATRDIAEELGGEWADRFLVLYGIAAPDSQRIAFYRLLDEFF"
     primer_bind     complement(3786..3805)
                     /label=Neo-R
                     /note="Neomycin resistance gene, reverse primer"
     primer_bind     4396..4415
                     /label=Neo-F
                     /note="Neomycin resistance gene, forward primer"
     polyA_signal    4700..4821
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     primer_bind     complement(4737..4756)
                     /label=SV40pA-R
                     /note="SV40 polyA, reverse primer"
     primer_bind     4791..4810
                     /label=EBV-rev
                     /note="SV40 polyA terminator, reverse primer"
     primer_bind     complement(4870..4886)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(4870..4886)
                     /label=M13 Reverse
                     /note="In lacZ gene. Also called M13-rev"
     primer_bind     complement(4883..4905)
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     protein_bind    4894..4910
                     /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(4918..4924,4925..4942,4943..4948))
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    4963..4984
                     /label=CAP binding site
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding activates transcription in the presence 
                     of cAMP."
     primer_bind     complement(5101..5118)
                     /label=L4440
                     /note="L4440 vector, forward primer"
     rep_origin      complement(5272..5860)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(5352..5371)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     CDS             complement(join(6031..6822,6823..6891))
                     /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     6654..6673
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     promoter        complement(6892..6996)
                     /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 ctggctaact agagaaccca
      841 ctgcttactg gcttatcgaa attaatacga ctcactatag ggagacccaa gctggctagc
      901 atggtgtcca agggcgagga actgttcacc ggtgtcgtgc ccatcctggt ggaactggac
      961 ggcgacgtga acggccacaa gttctccgtg tctggcgagg gcgaaggcga cgccacatac
     1021 ggcaagctga ccctgaagtt catctgcacc accggaaagc tgcccgtgcc ctggcctacc
     1081 ctcgtgacaa cactgtcttg gggcgtgcag tgcttcgcca gataccccga ccatatgaag
     1141 cagcacgact tcttcaagag cgccatgccc gagggctacg tgcaggaacg gaccatcttc
     1201 tttaaggacg acggcaacta caagaccagg gccgaagtga agttcgaggg cgacaccctc
     1261 gtgaaccgga tcgagctgaa gggcatcgac ttcaaagagg acggcaacat cctgggccac
     1321 aagctggagt acaacgccat ccacggcaac gtgtacatca ccgccgacaa gcagaagaac
     1381 ggcatcaagg ccaacttcgg cctgaactgc aacatcgagg acggctccgt gcagctggcc
     1441 gaccactacc agcagaacac ccccatcgga gatggccccg tgctgctgcc cgacaaccac
     1501 tacctgagca cccagagcaa gctgagcaag gaccccaacg agaagcggga ccacatggtg
     1561 ctgctggaat tcgtgaccgc cgctggcatc accctgggca tggacgagct gtataaggcc
     1621 gctgccgccg ctagagccgc tgctgcaaga gctgctgcag ctagagcagc agcagccagg
     1681 gccgcagctg ctagggctgc cgctgccaga gctggaagcg gaggatctgg cggctctggc
     1741 ggaagtggcg gatcaggggg atcaggcgct gaagccgctg cagccgaagc agcagctgca
     1801 gaagctgccg cagccgaggc tgctgccgct gaagcagccg ccgcagaggc cgcagcagca
     1861 gcttccatgg tgtctaaagg ggaagaactg tttacaggcg tggtgcctat tctggtggaa
     1921 ctggatgggg atgtgaatgg gcacaaattc agcgtgtccg gggaggggga aggggatgct
     1981 acctacggaa aactgacact gaagtttatc tgtacaacag gcaaactgcc tgtgccttgg
     2041 cccacactcg tgaccacctt tggctacggc ctgatgtgtt tcgcccgcta ccctgatcat
     2101 atgaagcagc atgatttttt caaatccgct atgcctgagg gatatgtgca ggaaagaaca
     2161 attttcttca aggatgatgg gaattacaaa acacgcgctg aagtgaaatt tgagggggat
     2221 actctcgtga atcgcattga actgaaaggg attgatttca aagaggatgg gaatattctg
     2281 gggcacaaac tggagtataa ctacaacagc cacaatgtgt atatcatggc tgataagcag
     2341 aaaaatggga tcaaagtgaa cttcaagatc cggcacaata tcgaggatgg aagtgtgcag
     2401 ctggctgatc attatcagca gaatactcct atcggcgacg gacctgtgct gctgcctgat
     2461 aatcactatc tgtcctacca gagcgccctg tccaaggatc ctaatgagaa acgcgatcat
     2521 atggtgctgc tggaatttgt gacagctgcc ggaattacac tggggatgga tgaactgtac
     2581 aagtaatcta gagggcccgt ttaaacccgc tgatcagcct cgactgtgcc ttctagttgc
     2641 cagccatctg ttgtttgccc ctcccccgtg ccttccttga ccctggaagg tgccactccc
     2701 actgtccttt cctaataaaa tgaggaaatt gcatcgcatt gtctgagtag gtgtcattct
     2761 attctggggg gtggggtggg gcaggacagc aagggggagg attgggaaga caatagcagg
     2821 catgctgggg atgcggtggg ctctatggct tctgaggcgg aaagaaccag ctggggctct
     2881 agggggtatc cccacgcgcc ctgtagcggc gcattaagcg cggcgggtgt ggtggttacg
     2941 cgcagcgtga ccgctacact tgccagcgcc ctagcgcccg ctcctttcgc tttcttccct
     3001 tcctttctcg ccacgttcgc cggctttccc cgtcaagctc taaatcgggg gctcccttta
     3061 gggttccgat ttagtgcttt acggcacctc gaccccaaaa aacttgatta gggtgatggt
     3121 tcacgtagtg ggccatcgcc ctgatagacg gtttttcgcc ctttgacgtt ggagtccacg
     3181 ttctttaata gtggactctt gttccaaact ggaacaacac tcaaccctat ctcggtctat
     3241 tcttttgatt tataagggat tttgccgatt tcggcctatt ggttaaaaaa tgagctgatt
     3301 taacaaaaat ttaacgcgaa ttaattctgt ggaatgtgtg tcagttaggg tgtggaaagt
     3361 ccccaggctc cccagcaggc agaagtatgc aaagcatgca tctcaattag tcagcaacca
     3421 ggtgtggaaa gtccccaggc tccccagcag gcagaagtat gcaaagcatg catctcaatt
     3481 agtcagcaac catagtcccg cccctaactc cgcccatccc gcccctaact ccgcccagtt
     3541 ccgcccattc tccgccccat ggctgactaa ttttttttat ttatgcagag gccgaggccg
     3601 cctctgcctc tgagctattc cagaagtagt gaggaggctt ttttggaggc ctaggctttt
     3661 gcaaaaagct cccgggagct tgtatatcca ttttcggatc tgatcaagag acaggatgag
     3721 gatcgtttcg catgattgaa caagatggat tgcacgcagg ttctccggcc gcttgggtgg
     3781 agaggctatt cggctatgac tgggcacaac agacaatcgg ctgctctgat gccgccgtgt
     3841 tccggctgtc agcgcagggg cgcccggttc tttttgtcaa gaccgacctg tccggtgccc
     3901 tgaatgaact gcaggacgag gcagcgcggc tatcgtggct ggccacgacg ggcgttcctt
     3961 gcgcagctgt gctcgacgtt gtcactgaag cgggaaggga ctggctgcta ttgggcgaag
     4021 tgccggggca ggatctcctg tcatctcacc ttgctcctgc cgagaaagta tccatcatgg
     4081 ctgatgcaat gcggcggctg catacgcttg atccggctac ctgcccattc gaccaccaag
     4141 cgaaacatcg catcgagcga gcacgtactc ggatggaagc cggtcttgtc gatcaggatg
     4201 atctggacga agagcatcag gggctcgcgc cagccgaact gttcgccagg ctcaaggcgc
     4261 gcatgcccga cggcgaggat ctcgtcgtga cccatggcga tgcctgcttg ccgaatatca
     4321 tggtggaaaa tggccgcttt tctggattca tcgactgtgg ccggctgggt gtggcggacc
     4381 gctatcagga catagcgttg gctacccgtg atattgctga agagcttggc ggcgaatggg
     4441 ctgaccgctt cctcgtgctt tacggtatcg ccgctcccga ttcgcagcgc atcgccttct
     4501 atcgccttct tgacgagttc ttctgagcgg gactctgggg ttcgaaatga ccgaccaagc
     4561 gacgcccaac ctgccatcac gagatttcga ttccaccgcc gccttctatg aaaggttggg
     4621 cttcggaatc gttttccggg acgccggctg gatgatcctc cagcgcgggg atctcatgct
     4681 ggagttcttc gcccacccca acttgtttat tgcagcttat aatggttaca aataaagcaa
     4741 tagcatcaca aatttcacaa ataaagcatt tttttcactg cattctagtt gtggtttgtc
     4801 caaactcatc aatgtatctt atcatgtctg tataccgtcg acctctagct agagcttggc
     4861 gtaatcatgg tcatagctgt ttcctgtgtg aaattgttat ccgctcacaa ttccacacaa
     4921 catacgagcc ggaagcataa agtgtaaagc ctggggtgcc taatgagtga gctaactcac
     4981 attaattgcg ttgcgctcac tgcccgcttt ccagtcggga aacctgtcgt gccagctgca
     5041 ttaatgaatc ggccaacgcg cggggagagg cggtttgcgt attgggcgct cttccgcttc
     5101 ctcgctcact gactcgctgc gctcggtcgt tcggctgcgg cgagcggtat cagctcactc
     5161 aaaggcggta atacggttat ccacagaatc aggggataac gcaggaaaga acatgtgagc
     5221 aaaaggccag caaaaggcca ggaaccgtaa aaaggccgcg ttgctggcgt ttttccatag
     5281 gctccgcccc cctgacgagc atcacaaaaa tcgacgctca agtcagaggt ggcgaaaccc
     5341 gacaggacta taaagatacc aggcgtttcc ccctggaagc tccctcgtgc gctctcctgt
     5401 tccgaccctg ccgcttaccg gatacctgtc cgcctttctc ccttcgggaa gcgtggcgct
     5461 ttctcatagc tcacgctgta ggtatctcag ttcggtgtag gtcgttcgct ccaagctggg
     5521 ctgtgtgcac gaaccccccg ttcagcccga ccgctgcgcc ttatccggta actatcgtct
     5581 tgagtccaac ccggtaagac acgacttatc gccactggca gcagccactg gtaacaggat
     5641 tagcagagcg aggtatgtag gcggtgctac agagttcttg aagtggtggc ctaactacgg
     5701 ctacactaga agaacagtat ttggtatctg cgctctgctg aagccagtta ccttcggaaa
     5761 aagagttggt agctcttgat ccggcaaaca aaccaccgct ggtagcggtg gtttttttgt
     5821 ttgcaagcag cagattacgc gcagaaaaaa aggatctcaa gaagatcctt tgatcttttc
     5881 tacggggtct gacgctcagt ggaacgaaaa ctcacgttaa gggattttgg tcatgagatt
     5941 atcaaaaagg atcttcacct agatcctttt aaattaaaaa tgaagtttta aatcaatcta
     6001 aagtatatat gagtaaactt ggtctgacag ttaccaatgc ttaatcagtg aggcacctat
     6061 ctcagcgatc tgtctatttc gttcatccat agttgcctga ctccccgtcg tgtagataac
     6121 tacgatacgg gagggcttac catctggccc cagtgctgca atgataccgc gagacccacg
     6181 ctcaccggct ccagatttat cagcaataaa ccagccagcc ggaagggccg agcgcagaag
     6241 tggtcctgca actttatccg cctccatcca gtctattaat tgttgccggg aagctagagt
     6301 aagtagttcg ccagttaata gtttgcgcaa cgttgttgcc attgctacag gcatcgtggt
     6361 gtcacgctcg tcgtttggta tggcttcatt cagctccggt tcccaacgat caaggcgagt
     6421 tacatgatcc cccatgttgt gcaaaaaagc ggttagctcc ttcggtcctc cgatcgttgt
     6481 cagaagtaag ttggccgcag tgttatcact catggttatg gcagcactgc ataattctct
     6541 tactgtcatg ccatccgtaa gatgcttttc tgtgactggt gagtactcaa ccaagtcatt
     6601 ctgagaatag tgtatgcggc gaccgagttg ctcttgcccg gcgtcaatac gggataatac
     6661 cgcgccacat agcagaactt taaaagtgct catcattgga aaacgttctt cggggcgaaa
     6721 actctcaagg atcttaccgc tgttgagatc cagttcgatg taacccactc gtgcacccaa
     6781 ctgatcttca gcatctttta ctttcaccag cgtttctggg tgagcaaaaa caggaaggca
     6841 aaatgccgca aaaaagggaa taagggcgac acggaaatgt tgaatactca tactcttcct
     6901 ttttcaatat tattgaagca tttatcaggg ttattgtctc atgagcggat acatatttga
     6961 atgtatttag aaaaataaac aaataggggt tccgcgcaca tttccccgaa aagtgccacc
     7021 tgacgtc
//
