LOCUS       sequence-449825-        7363 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Biosensor for extracellular L-lactate.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 7363)
  AUTHORS   Kamijo Y, Machler P, Ness N, Vu CQ, Kusakizako T, Mannuthodikayil J,
            Ku Z, Boisvert M, Grebenik E, Miyazaki I, Hashizume R, Sato H, Liu 
            R, Hori Y, Tomita T, Katayama T, Furube A, Caraveo G, Paquet ME, 
            Drobizhev M, Nureki O, Arai S, Brancaccio M, Campbell RE, Kleinfeld 
            D, Nasu Y
  TITLE     A red fluorescent genetically encoded biosensor for in vivo imaging 
            of extracellular L-lactate dynamics.
  JOURNAL   Nat Commun. 2025 Oct 29;16(1):9531. doi: 10.1038/s41467-025-64484-x.
  PUBMED    41162396
REFERENCE   2  (bases 1 to 7363)
  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: "Nat 
            Commun."; date: "2025-10-29"; volume: "16(1):9531. doi"; pages: " 
            10.1038/s41467-025-64484-x"
COMMENT     Sequence Label: pcDNA-IgK-R-eLACCO2-COBRA
FEATURES             Location/Qualifiers
     source          1..7363
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     enhancer        110..489
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
     promoter        490..693
                     /label=CMV promoter
                     /note="human cytomegalovirus (CMV) immediate early 
                     promoter"
     primer_bind     644..664
                     /label=CMV-F
                     /note="Human CMV immediate early promoter, forward primer"
     primer_bind     738..757
                     /label=T7
                     /note="T7 promoter, forward primer"
     promoter        738..756
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     regulatory      781..790
                     /label=Kozak sequence
                     /note="vertebrate consensus sequence for strong initiation 
                     of translation (Kozak, 1987)"
                     /regulatory_class="other"
     primer_bind     2136..2155
                     /label=mCherry-F
                     /note="mCherry, forward primer"
     primer_bind     complement(2829..2846)
                     /label=BGH-rev
                     /note="Bovine growth hormone terminator, reverse primer. 
                     Also called BGH reverse"
     polyA_signal    2835..3059
                     /label=bGH poly(A) signal
                     /note="bovine growth hormone polyadenylation signal"
     rep_origin      3105..3533
                     /direction=RIGHT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(3192..3211)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     primer_bind     3402..3423
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     primer_bind     complement(3542..3562)
                     /label=pBABE 3'
                     /note="SV40 enhancer, reverse primer for pBABE vectors"
     promoter        3547..3876
                     /label=SV40 promoter
                     /note="SV40 enhancer and early promoter"
     rep_origin      3727..3862
                     /label=SV40 ori
                     /note="SV40 origin of replication"
     primer_bind     3789..3808
                     /label=SV40pro-F
                     /note="SV40 promoter/origin, forward primer"
     CDS             3943..4737
                     /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(3997..4016)
                     /label=Neo-R
                     /note="Neomycin resistance gene, reverse primer"
     primer_bind     4607..4626
                     /label=Neo-F
                     /note="Neomycin resistance gene, forward primer"
     polyA_signal    4911..5032
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     primer_bind     complement(4948..4967)
                     /label=SV40pA-R
                     /note="SV40 polyA, reverse primer"
     primer_bind     5002..5021
                     /label=EBV-rev
                     /note="SV40 polyA terminator, reverse primer"
     primer_bind     complement(5081..5097)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(5081..5097)
                     /label=M13 Reverse
                     /note="In lacZ gene. Also called M13-rev"
     primer_bind     complement(5094..5116)
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     protein_bind    5105..5121
                     /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(5129..5135,5136..5153,5154..5159))
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    5174..5195
                     /label=CAP binding site
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding activates transcription in the presence 
                     of cAMP."
     primer_bind     complement(5312..5329)
                     /label=L4440
                     /note="L4440 vector, forward primer"
     rep_origin      complement(5483..6071)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(5563..5582)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     CDS             complement(join(6242..7033,7034..7102))
                     /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     6865..6884
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     promoter        complement(7103..7207)
                     /gene="bla"
                     /label=AmpR promoter
     primer_bind     complement(7282..7301)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
ORIGIN
        1 aaaatttaag ctacaacaag gcaaggcttg accgacaatt gcatgaagaa tctgcttagg
       61 gttaggcgtt ttgcgctgct tcgcgatgta cgggccagat atacgcgttg acattgatta
      121 ttgactagtt attaatagta atcaattacg gggtcattag ttcatagccc atatatggag
      181 ttccgcgtta cataacttac ggtaaatggc ccgcctggct gaccgcccaa cgacccccgc
      241 ccattgacgt caataatgac gtatgttccc atagtaacgc caatagggac tttccattga
      301 cgtcaatggg tggagtattt acggtaaact gcccacttgg cagtacatca agtgtatcat
      361 atgccaagta cgccccctat tgacgtcaat gacggtaaat ggcccgcctg gcattatgcc
      421 cagtacatga ccttatggga ctttcctact tggcagtaca tctacgtatt agtcatcgct
      481 attaccatgg tgatgcggtt ttggcagtac atcaatgggc gtggatagcg gtttgactca
      541 cggggatttc caagtctcca ccccattgac gtcaatggga gtttgttttg gcaccaaaat
      601 caacgggact ttccaaaatg tcgtaacaac tccgccccat tgacgcaaat gggcggtagg
      661 cgtgtacggt gggaggtcta tataagcaga gctctctggc taactagaga acccactgct
      721 tactggctta tcgaaattaa tacgactcac tatagggaga cccaagctgg ctagcgtgcc
      781 gccaccatgg cctcgagaat ggagaccgac accctgctgc tgtgggtgct gctgctgtgg
      841 gtgcccggct ccaccggcga cagatctatg ttctctccca tggcagtggc ccaggctcga
      901 cgctataagt ggaggattca aaccgcgtgg gatgctggaa cagtaggcta cagtctgttc
      961 caaaagttta cggagcgggt aaaggaactg acggatggac agcttgaggt ccagcctctt
     1021 ccagcgggtg cggtcgtagg cacgtttgat atgttcgacg cggtcaagac tggagttttg
     1081 gacggaatga atcctttcac gctgtattgg gcagagagga tgccggttac agctttcctc
     1141 tccagctacg ccctcgggtt ggaccgacct gaccagtggg aaacatggtt ttactccctg
     1201 ggtggcctcg acaacgcccg acgagccttt gccgagcaag gcctcttcta cgtgggacca
     1261 gttcagcacg acctcaatac aattcattca aagaagccga tccggagatt tgaggacttc
     1321 aaaggtgtca agctccgagt gccaggcggc atgattgcgg aagtctttgc ggccgcagga
     1381 gcttccaccg tcctcttgcc tgggggggag gtctaccccg ctctggaaag aggggcagtg
     1441 actgcggttt ccgagcggat gtaccccgag gacggcgccc tgaagagcga gatcaagaag
     1501 gggctgaggc tgaaggacgg cggccactac gccgccgtgg tcaagaccac ctacaaggcc
     1561 aagaagcccg tgcagctgcc cggcgcctac gtcgtcgaca tccagttgga catcgtgtcc
     1621 cacaacgagg actacactat cgtggaacag tgcgaacgcg ccgagggccg ccactccacc
     1681 ggcggcgtgg tcgagctgga caagggaggt acaggcggga gtctggtgag caagggcgag
     1741 gaggatgaca tggccatcgt caaggagttc atgcgcttca aggtgcacat ggagggctcc
     1801 gtgaacggcc acgagttcga gatcgagggc gagggcgagg gccgccccta cgaggccttt
     1861 cagaccgcta agctgaaggt gaccaagggt ggccccctgc ccttcgcctg ggacatccta
     1921 tcccctcagt tcatgtacgg ctccaaggcc tacattaagc acccagccga catccccgac
     1981 tacttcaagc tgtccttccc cgagggcttc aggtgggagc gcgtgatgta cttcgaggac
     2041 ggcggcatta ttcacgttga ccaggactcc tccctgcagg acggcgtatt catctacaag
     2101 gtgaagctgc gcggcaccaa cttccccccc gacggccccg taatgcagaa gaagaccatg
     2161 ggctgggagc gggggcgtag tgcggccgat tttgttgggc ctgcagtaaa ctataacttg
     2221 gggttccatc aggaggcaaa gtacatcata atggggcctc cagagacgcc tgccattcat
     2281 caacctgtag accttatgga cttcaccata aaccttaatc ggtggcgcag ccttccaaag
     2341 cctctgcaag aaagattcat cgcggcggtt cacgagtact cttggattca ctacgcaggc
     2401 attcagaagg ctaatttgga ggcgtggccg aaatatcggc aggcaggtgt tgaggtcatc
     2461 cggctgggca acgaggatgt tagaaaattc aggcgactcg ctatccccat ttggtttaag
     2521 tgggctaaga tggataaata ctcacgagag gctttcgcgt cccaactgga gtatatgaga
     2581 ggtataggtc acgttacgga cgaggaattg aagggcttga gcctgggctc cacctccggc
     2641 tccggcaagc ccggctccgg cgagggctcc accaagggcg aattctcaga taacgactac
     2701 ggtaaagatg ggttggctgg ggcttccgga ggcagacgaa atggcgctat aactgtgctc
     2761 agtttcataa cgttctacgt ggcagcattt atggtattgt tgtagaagct tggtaaaccg
     2821 ctgatcagcc tcgactgtgc cttctagttg ccagccatct gttgtttgcc cctcccccgt
     2881 gccttccttg accctggaag gtgccactcc cactgtcctt tcctaataaa atgaggaaat
     2941 tgcatcgcat tgtctgagta ggtgtcattc tattctgggg ggtggggtgg ggcaggacag
     3001 caagggggag gattgggaag acaatagcag gcatgctggg gatgcggtgg gctctatggc
     3061 ttctgaggcg gaaagaacca gctggggctc tagggggtat ccccacgcgc cctgtagcgg
     3121 cgcattaagc gcggcgggtg tggtggttac gcgcagcgtg accgctacac ttgccagcgc
     3181 cctagcgccc gctcctttcg ctttcttccc ttcctttctc gccacgttcg ccggctttcc
     3241 ccgtcaagct ctaaatcggg ggctcccttt agggttccga tttagtgctt tacggcacct
     3301 cgaccccaaa aaacttgatt agggtgatgg ttcacgtagt gggccatcgc cctgatagac
     3361 ggtttttcgc cctttgacgt tggagtccac gttctttaat agtggactct tgttccaaac
     3421 tggaacaaca ctcaacccta tctcggtcta ttcttttgat ttataaggga ttttgccgat
     3481 ttcggcctat tggttaaaaa atgagctgat ttaacaaaaa tttaacgcga attaattctg
     3541 tggaatgtgt gtcagttagg gtgtggaaag tccccaggct ccccagcagg cagaagtatg
     3601 caaagcatgc atctcaatta gtcagcaacc aggtgtggaa agtccccagg ctccccagca
     3661 ggcagaagta tgcaaagcat gcatctcaat tagtcagcaa ccatagtccc gcccctaact
     3721 ccgcccatcc cgcccctaac tccgcccagt tccgcccatt ctccgcccca tggctgacta
     3781 atttttttta tttatgcaga ggccgaggcc gcctctgcct ctgagctatt ccagaagtag
     3841 tgaggaggct tttttggagg cctaggcttt tgcaaaaagc tcccgggagc ttgtatatcc
     3901 attttcggat ctgatcaaga gacaggatga ggatcgtttc gcatgattga acaagatgga
     3961 ttgcacgcag gttctccggc cgcttgggtg gagaggctat tcggctatga ctgggcacaa
     4021 cagacaatcg gctgctctga tgccgccgtg ttccggctgt cagcgcaggg gcgcccggtt
     4081 ctttttgtca agaccgacct gtccggtgcc ctgaatgaac tgcaggacga ggcagcgcgg
     4141 ctatcgtggc tggccacgac gggcgttcct tgcgcagctg tgctcgacgt tgtcactgaa
     4201 gcgggaaggg actggctgct attgggcgaa gtgccggggc aggatctcct gtcatctcac
     4261 cttgctcctg ccgagaaagt atccatcatg gctgatgcaa tgcggcggct gcatacgctt
     4321 gatccggcta cctgcccatt cgaccaccaa gcgaaacatc gcatcgagcg agcacgtact
     4381 cggatggaag ccggtcttgt cgatcaggat gatctggacg aagagcatca ggggctcgcg
     4441 ccagccgaac tgttcgccag gctcaaggcg cgcatgcccg acggcgagga tctcgtcgtg
     4501 acccatggcg atgcctgctt gccgaatatc atggtggaaa atggccgctt ttctggattc
     4561 atcgactgtg gccggctggg tgtggcggac cgctatcagg acatagcgtt ggctacccgt
     4621 gatattgctg aagagcttgg cggcgaatgg gctgaccgct tcctcgtgct ttacggtatc
     4681 gccgctcccg attcgcagcg catcgccttc tatcgccttc ttgacgagtt cttctgagcg
     4741 ggactctggg gttcgaaatg accgaccaag cgacgcccaa cctgccatca cgagatttcg
     4801 attccaccgc cgccttctat gaaaggttgg gcttcggaat cgttttccgg gacgccggct
     4861 ggatgatcct ccagcgcggg gatctcatgc tggagttctt cgcccacccc aacttgttta
     4921 ttgcagctta taatggttac aaataaagca atagcatcac aaatttcaca aataaagcat
     4981 ttttttcact gcattctagt tgtggtttgt ccaaactcat caatgtatct tatcatgtct
     5041 gtataccgtc gacctctagc tagagcttgg cgtaatcatg gtcatagctg tttcctgtgt
     5101 gaaattgtta tccgctcaca attccacaca acatacgagc cggaagcata aagtgtaaag
     5161 cctggggtgc ctaatgagtg agctaactca cattaattgc gttgcgctca ctgcccgctt
     5221 tccagtcggg aaacctgtcg tgccagctgc attaatgaat cggccaacgc gcggggagag
     5281 gcggtttgcg tattgggcgc tcttccgctt cctcgctcac tgactcgctg cgctcggtcg
     5341 ttcggctgcg gcgagcggta tcagctcact caaaggcggt aatacggtta tccacagaat
     5401 caggggataa cgcaggaaag aacatgtgag caaaaggcca gcaaaaggcc aggaaccgta
     5461 aaaaggccgc gttgctggcg tttttccata ggctccgccc ccctgacgag catcacaaaa
     5521 atcgacgctc aagtcagagg tggcgaaacc cgacaggact ataaagatac caggcgtttc
     5581 cccctggaag ctccctcgtg cgctctcctg ttccgaccct gccgcttacc ggatacctgt
     5641 ccgcctttct cccttcggga agcgtggcgc tttctcatag ctcacgctat aggtatctca
     5701 gttcggtgta ggtcgttcgc tccaagctgg gctgtgtgca cgaacccccc gttcagcccg
     5761 accgctgcgc cttatccggt aactatcgtc ttgagtccaa cccggtaaga cacgacttat
     5821 cgccactggc agcagccact ggtaacagga ttagcagagc gaggtatgta ggcggtgcta
     5881 cagagttctt gaagtggtgg cctaactacg gctacactag aagaacagta tttggtatct
     5941 gcgctctgct gaagccagtt accttcggaa aaagagttgg tagctcttga tccggcaaac
     6001 aaaccaccgc tggtagcggt ggtttttttg tttgcaagca gcagattacg cgcagaaaaa
     6061 aaggatctca agaagatcct ttgatctttt ctacggggtc tgacgctcag tggaacgaaa
     6121 actcacgtta agggattttg gtcatgagat tatcaaaaag gatcttcacc tagatccttt
     6181 taaattaaaa atgaagtttt aaatcaatct aaagtatata tgagtaaact tggtctgaca
     6241 gttaccaatg cttaatcagt gaggcaccta tctcagcgat ctgtctattt cgttcatcca
     6301 tagttgcctg actccccgtc gtgtagataa ctacgatacg ggagggctta ccatctggcc
     6361 ccagtgctgc aatgataccg cgagacccac gctcaccggc tccagattta tcagcaataa
     6421 accagccagc cggaagggcc gagcgcagaa gtggtcctgc aactttatcc gcctccatcc
     6481 agtctattaa ttgttgccgg gaagctagag taagtagttc gccagttaat agtttgcgca
     6541 acgttgttgc cattgctaca ggcatcgtgg tgtcacgctc gtcgtttggt atggcttcat
     6601 tcagctccgg ttcccaacga tcaaggcgag ttacatgatc ccccatgttg tgcaaaaaag
     6661 cggttagctc cttcggtcct ccaatcgttg tcagaagtaa gttggccgca gtgttatcac
     6721 tcatggttat ggcagcactg cataattctc ttactgtcat gccatccgta agatgctttt
     6781 ctgtgactgg tgagtactca accaagtcat tctgagaata gtgtatgcgg cgaccgagtt
     6841 gctcttgccc ggcgtcaata cgggataata ccgcgccaca tagcagaact ttaaaagtgc
     6901 tcatcattgg aaaacgttct tcggggcgaa aactctcaag gatcttaccg ctgttgagat
     6961 ccagttcgat gtaacccact cgtgcaccca actgatcttc agcatctttt actttcacca
     7021 gcgtttctgg gtgagcaaaa acaggaaggc aaaatgccgc aaaaaaggga ataagggcga
     7081 cacggaaatg ttgaatactc atactcttcc tttttcaata ttattgaagc atttatcagg
     7141 gttattgtct catgagcgga tacatatttg aatgtattta gaaaaataaa caaatagggg
     7201 ttccgcgcac atttccccga aaagtgccac ctgacgtcga cggatcggga gatcacccga
     7261 tcccctatgg tgcactctca gtacaatctg ctctgatgcc gcatagttaa gccagtatct
     7321 gctccctgct tgtgtgttgg aggtcgctga gtagtgcgcg agc
//
