LOCUS       sequence-216980-        6523 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Mammalian expression of genetically encoded green fluorescent 
            potassium ion indicator GINKO1.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 6523)
  AUTHORS   Shen Y, Wu SY, Rancic V, Aggarwal A, Qian Y, Miyashita SI, Ballanyi 
            K, Campbell RE, Dong M
  TITLE     Genetically encoded fluorescent indicators for imaging intracellular
            potassium ion concentration.
  JOURNAL   Commun Biol. 2019 Jan 14;2:18. doi: 10.1038/s42003-018-0269-2. 
            eCollection 2019.
  PUBMED    30652129
REFERENCE   2  (bases 1 to 6523)
  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: "Commun 
            Biol."; date: "2019-01-14"; volume: "2:18. doi"; pages: " 
            10.1038/s42003-018-0269-2. eCollection 2019"
COMMENT     Sequence Label: pcDNA3.1-GINKO1
FEATURES             Location/Qualifiers
     source          1..6523
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     enhancer        7..386
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
     promoter        387..590
                     /label=CMV promoter
                     /note="human cytomegalovirus (CMV) immediate early 
                     promoter"
     primer_bind     541..561
                     /label=CMV-F
                     /note="Human CMV immediate early promoter, forward primer"
     primer_bind     635..654
                     /label=T7
                     /note="T7 promoter, forward primer"
     promoter        635..653
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     regulatory      678..687
                     /label=Kozak sequence
                     /note="vertebrate consensus sequence for strong initiation 
                     of translation (Kozak, 1987)"
                     /regulatory_class="other"
     primer_bind     complement(741..762)
                     /label=EGFP-N
                     /note="EGFP, reverse primer"
     primer_bind     complement(1002..1021)
                     /label=EXFP-R
                     /note="For distinguishing EGFP variants, reverse primer"
     primer_bind     1796..1817
                     /label=EGFP-C
                     /note="EGFP, forward primer"
     primer_bind     complement(1886..1903)
                     /label=BGH-rev
                     /note="Bovine growth hormone terminator, reverse primer. 
                     Also called BGH reverse"
     polyA_signal    1892..2116
                     /label=bGH poly(A) signal
                     /note="bovine growth hormone polyadenylation signal"
     rep_origin      2162..2590
                     /direction=RIGHT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(2249..2268)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     primer_bind     2459..2480
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     primer_bind     complement(2599..2619)
                     /label=pBABE 3'
                     /note="SV40 enhancer, reverse primer for pBABE vectors"
     promoter        2604..2933
                     /label=SV40 promoter
                     /note="SV40 enhancer and early promoter"
     rep_origin      2784..2919
                     /label=SV40 ori
                     /note="SV40 origin of replication"
     primer_bind     2846..2865
                     /label=SV40pro-F
                     /note="SV40 promoter/origin, forward primer"
     CDS             3000..3794
                     /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(3054..3073)
                     /label=Neo-R
                     /note="Neomycin resistance gene, reverse primer"
     primer_bind     3664..3683
                     /label=Neo-F
                     /note="Neomycin resistance gene, forward primer"
     polyA_signal    3968..4089
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     primer_bind     complement(4005..4024)
                     /label=SV40pA-R
                     /note="SV40 polyA, reverse primer"
     primer_bind     4059..4078
                     /label=EBV-rev
                     /note="SV40 polyA terminator, reverse primer"
     primer_bind     complement(4138..4154)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(4138..4154)
                     /label=M13 Reverse
                     /note="In lacZ gene. Also called M13-rev"
     primer_bind     complement(4151..4173)
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     protein_bind    4162..4178
                     /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(4186..4192,4193..4210,4211..4216))
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    4231..4252
                     /label=CAP binding site
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding activates transcription in the presence 
                     of cAMP."
     primer_bind     complement(4369..4386)
                     /label=L4440
                     /note="L4440 vector, forward primer"
     rep_origin      complement(4540..5128)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(4620..4639)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     CDS             complement(join(5299..6090,6091..6159))
                     /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     5922..5941
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     promoter        complement(6160..6264)
                     /gene="bla"
                     /label=AmpR promoter
     primer_bind     complement(6339..6358)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
ORIGIN
        1 cgcgttgaca ttgattattg actagttatt aatagtaatc aattacgggg tcattagttc
       61 atagcccata tatggagttc cgcgttacat aacttacggt aaatggcccg cctggctgac
      121 cgcccaacga cccccgccca ttgacgtcaa taatgacgta tgttcccata gtaacgccaa
      181 tagggacttt ccattgacgt caatgggtgg agtatttacg gtaaactgcc cacttggcag
      241 tacatcaagt gtatcatatg ccaagtacgc cccctattga cgtcaatgac ggtaaatggc
      301 ccgcctggca ttatgcccag tacatgacct tatgggactt tcctacttgg cagtacatct
      361 acgtattagt catcgctatt accatggtga tgcggttttg gcagtacatc aatgggcgtg
      421 gatagcggtt tgactcacgg ggatttccaa gtctccaccc cattgacgtc aatgggagtt
      481 tgttttggca ccaaaatcaa cgggactttc caaaatgtcg taacaactcc gccccattga
      541 cgcaaatggg cggtaggcgt gtacggtggg aggtctatat aagcagagct ctctggctaa
      601 ctagagaacc cactgcttac tggcttatcg aaattaatac gactcactat agggagaccc
      661 aagctggcta gcgtgccgcc accatggcct cgagcatggt gagcaagggc gaggagctgt
      721 tcaccggggt ggtgcccatc ctggtcgagc tggacggcga cgtaaacggc cacaagttca
      781 gcgtgtccgg cgagggtgag ggcgatgcca cctacggcaa gctgaccctg aagttcatct
      841 gcaccaccgg caagctgccc gtgccctggc ccaccctcgt gaccaccctg acctacggcg
      901 tgcagtgctt cagccgctac cccgaccaca tgaagcagca cgacttcttc aagtccgcca
      961 tgcccgaagg ctacatccag gagcgcacca tcttcttcaa ggacgacggc aactacaaga
     1021 cccgcgccga ggtgaagttc gagggcgaca ccctggtgaa ccgcatcgag ctgaagggca
     1081 tcgacttcaa ggaggacggc aacatcctgg ggcacaagct ggagtacaac ctgccggacg
     1141 gcctgttcaa cttcgtgaag gacgccggcg agaagctgtg ggatgccgtg acaggccagc
     1201 acgacaagga cgaccaggcc aagaaggtgc aggaacacct gaacaagacc ggcatccccg
     1261 acgccgacaa agtgaacatc cagatcgccg acggcaaggc cacagtgaca ggcgacggac
     1321 tgagccagga agccaaagaa aagatcctgg tggccgtggg caacatcagc ggaatcgcca
     1381 gcgtggacga tcaagtgaaa accgccaccc ctgccaccgc cagccagttc tacacagtga
     1441 agtccggcga caccctgagc gccatcagca aacaggtgta cggcaacgcc aacctgtaca
     1501 acaagatttt cgaggccaac aagcccatgc tgaagtcccc cgacaaaatc taccccggcc
     1561 aggtgctgag aatccccgag gagctggaga acgtctatat caaggccgac aagcagaaga
     1621 acggcatcaa ggcgaacttc aagatccgcc acaacatcga ggacggcggc gtgcagctcg
     1681 cctaccacta ccagcagaac acccccatcg gcgacggccc cgtgctgctg cccgacaacc
     1741 actacctgag cgtgcagtcc aaactttcga aagaccccaa cgagaagcgc gatcacatgg
     1801 tcctgctgga gttcgtgacc gccgccggga tcactctcgg catggacgag ctgtacaagt
     1861 aaaagcttgg taaaccgctg atcagcctcg actgtgcctt ctagttgcca gccatctgtt
     1921 gtttgcccct cccccgtgcc ttccttgacc ctggaaggtg ccactcccac tgtcctttcc
     1981 taataaaatg aggaaattgc atcgcattgt ctgagtaggt gtcattctat tctggggggt
     2041 ggggtggggc aggacagcaa gggggaggat tgggaagaca atagcaggca tgctggggat
     2101 gcggtgggct ctatggcttc tgaggcggaa agaaccagct ggggctctag ggggtatccc
     2161 cacgcgccct gtagcggcgc attaagcgcg gcgggtgtgg tggttacgcg cagcgtgacc
     2221 gctacacttg ccagcgccct agcgcccgct cctttcgctt tcttcccttc ctttctcgcc
     2281 acgttcgccg gctttccccg tcaagctcta aatcgggggc tccctttagg gttccgattt
     2341 agtgctttac ggcacctcga ccccaaaaaa cttgattagg gtgatggttc acgtagtggg
     2401 ccatcgccct gatagacggt ttttcgccct ttgacgttgg agtccacgtt ctttaatagt
     2461 ggactcttgt tccaaactgg aacaacactc aaccctatct cggtctattc ttttgattta
     2521 taagggattt tgccgatttc ggcctattgg ttaaaaaatg agctgattta acaaaaattt
     2581 aacgcgaatt aattctgtgg aatgtgtgtc agttagggtg tggaaagtcc ccaggctccc
     2641 cagcaggcag aagtatgcaa agcatgcatc tcaattagtc agcaaccagg tgtggaaagt
     2701 ccccaggctc cccagcaggc agaagtatgc aaagcatgca tctcaattag tcagcaacca
     2761 tagtcccgcc cctaactccg cccatcccgc ccctaactcc gcccagttcc gcccattctc
     2821 cgccccatgg ctgactaatt ttttttattt atgcagaggc cgaggccgcc tctgcctctg
     2881 agctattcca gaagtagtga ggaggctttt ttggaggcct aggcttttgc aaaaagctcc
     2941 cgggagcttg tatatccatt ttcggatctg atcaagagac aggatgagga tcgtttcgca
     3001 tgattgaaca agatggattg cacgcaggtt ctccggccgc ttgggtggag aggctattcg
     3061 gctatgactg ggcacaacag acaatcggct gctctgatgc cgccgtgttc cggctgtcag
     3121 cgcaggggcg cccggttctt tttgtcaaga ccgacctgtc cggtgccctg aatgaactgc
     3181 aggacgaggc agcgcggcta tcgtggctgg ccacgacggg cgttccttgc gcagctgtgc
     3241 tcgacgttgt cactgaagcg ggaagggact ggctgctatt gggcgaagtg ccggggcagg
     3301 atctcctgtc atctcacctt gctcctgccg agaaagtatc catcatggct gatgcaatgc
     3361 ggcggctgca tacgcttgat ccggctacct gcccattcga ccaccaagcg aaacatcgca
     3421 tcgagcgagc acgtactcgg atggaagccg gtcttgtcga tcaggatgat ctggacgaag
     3481 agcatcaggg gctcgcgcca gccgaactgt tcgccaggct caaggcgcgc atgcccgacg
     3541 gcgaggatct cgtcgtgacc catggcgatg cctgcttgcc gaatatcatg gtggaaaatg
     3601 gccgcttttc tggattcatc gactgtggcc ggctgggtgt ggcggaccgc tatcaggaca
     3661 tagcgttggc tacccgtgat attgctgaag agcttggcgg cgaatgggct gaccgcttcc
     3721 tcgtgcttta cggtatcgcc gctcccgatt cgcagcgcat cgccttctat cgccttcttg
     3781 acgagttctt ctgagcggga ctctggggtt cgaaatgacc gaccaagcga cgcccaacct
     3841 gccatcacga gatttcgatt ccaccgccgc cttctatgaa aggttgggct tcggaatcgt
     3901 tttccgggac gccggctgga tgatcctcca gcgcggggat ctcatgctgg agttcttcgc
     3961 ccaccccaac ttgtttattg cagcttataa tggttacaaa taaagcaata gcatcacaaa
     4021 tttcacaaat aaagcatttt tttcactgca ttctagttgt ggtttgtcca aactcatcaa
     4081 tgtatcttat catgtctgta taccgtcgac ctctagctag agcttggcgt aatcatggtc
     4141 atagctgttt cctgtgtgaa attgttatcc gctcacaatt ccacacaaca tacgagccgg
     4201 aagcataaag tgtaaagcct ggggtgccta atgagtgagc taactcacat taattgcgtt
     4261 gcgctcactg cccgctttcc agtcgggaaa cctgtcgtgc cagctgcatt aatgaatcgg
     4321 ccaacgcgcg gggagaggcg gtttgcgtat tgggcgctct tccgcttcct cgctcactga
     4381 ctcgctgcgc tcggtcgttc ggctgcggcg agcggtatca gctcactcaa aggcggtaat
     4441 acggttatcc acagaatcag gggataacgc aggaaagaac atgtgagcaa aaggccagca
     4501 aaaggccagg aaccgtaaaa aggccgcgtt gctggcgttt ttccataggc tccgcccccc
     4561 tgacgagcat cacaaaaatc gacgctcaag tcagaggtgg cgaaacccga caggactata
     4621 aagataccag gcgtttcccc ctggaagctc cctcgtgcgc tctcctgttc cgaccctgcc
     4681 gcttaccgga tacctgtccg cctttctccc ttcgggaagc gtggcgcttt ctcatagctc
     4741 acgctatagg tatctcagtt cggtgtaggt cgttcgctcc aagctgggct gtgtgcacga
     4801 accccccgtt cagcccgacc gctgcgcctt atccggtaac tatcgtcttg agtccaaccc
     4861 ggtaagacac gacttatcgc cactggcagc agccactggt aacaggatta gcagagcgag
     4921 gtatgtaggc ggtgctacag agttcttgaa gtggtggcct aactacggct acactagaag
     4981 aacagtattt ggtatctgcg ctctgctgaa gccagttacc ttcggaaaaa gagttggtag
     5041 ctcttgatcc ggcaaacaaa ccaccgctgg tagcggtggt ttttttgttt gcaagcagca
     5101 gattacgcgc agaaaaaaag gatctcaaga agatcctttg atcttttcta cggggtctga
     5161 cgctcagtgg aacgaaaact cacgttaagg gattttggtc atgagattat caaaaaggat
     5221 cttcacctag atccttttaa attaaaaatg aagttttaaa tcaatctaaa gtatatatga
     5281 gtaaacttgg tctgacagtt accaatgctt aatcagtgag gcacctatct cagcgatctg
     5341 tctatttcgt tcatccatag ttgcctgact ccccgtcgtg tagataacta cgatacggga
     5401 gggcttacca tctggcccca gtgctgcaat gataccgcga gacccacgct caccggctcc
     5461 agatttatca gcaataaacc agccagccgg aagggccgag cgcagaagtg gtcctgcaac
     5521 tttatccgcc tccatccagt ctattaattg ttgccgggaa gctagagtaa gtagttcgcc
     5581 agttaatagt ttgcgcaacg ttgttgccat tgctacaggc atcgtggtgt cacgctcgtc
     5641 gtttggtatg gcttcattca gctccggttc ccaacgatca aggcgagtta catgatcccc
     5701 catgttgtgc aaaaaagcgg ttagctcctt cggtcctccg atcgttgtca gaagtaagtt
     5761 ggccgcagtg ttatcactca tggttatggc agcactgcat aattctctta ctgtcatgcc
     5821 atccgtaaga tgcttttctg tgactggtga gtactcaacc aagtcattct gagaatagtg
     5881 tatgcggcga ccgagttgct cttgcccggc gtcaatacgg gataataccg cgccacatag
     5941 cagaacttta aaagtgctca tcattggaaa acgttcttcg gggcgaaaac tctcaaggat
     6001 cttaccgctg ttgagatcca gttcgatgta acccactcgt gcacccaact gatcttcagc
     6061 atcttttact ttcaccagcg tttctgggtg agcaaaaaca ggaaggcaaa atgccgcaaa
     6121 aaagggaata agggcgacac ggaaatgttg aatactcata ctcttccttt ttcaatatta
     6181 ttgaagcatt tatcagggtt attgtctcat gagcggatac atatttgaat gtatttagaa
     6241 aaataaacaa ataggggttc cgcgcacatt tccccgaaaa gtgccacctg acgtcgacgg
     6301 atcgggagat ctcccgatcc cctatggtgc actctcagta caatctgctc tgatgccgca
     6361 tagttaagcc agtatctgct ccctgcttgt gtgttggagg tcgctgagta gtgcgcgagc
     6421 aaaatttaag ctacaacaag gcaaggcttg accgacaatt gcatgaagaa tctgcttagg
     6481 gttaggcgtt ttgcgctgct tcgcgatgta cgggccagat ata
//
