LOCUS       sequence-431769-        6637 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Mammalian expression of genetically encoded green fluorescent 
            L-lactate biosensor with high affinity.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 6637)
  AUTHORS   Hario S, Le GNT, Sugimoto H, Takahashi-Yamashiro K, Nishinami S, 
            Toda H, Li S, Marvin JS, Kuroda S, Drobizhev M, Terai T, Nasu Y, 
            Campbell RE
  TITLE     High-Performance Genetically Encoded Green Fluorescent Biosensors 
            for Intracellular l-Lactate.
  JOURNAL   ACS Cent Sci. 2024 Jan 31;10(2):402-416. doi: 
            10.1021/acscentsci.3c01250. eCollection 2024 Feb 28.
  PUBMED    38435524
REFERENCE   2  (bases 1 to 6637)
  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/acscentsci.3c01250"; journalName: "ACS Cent Sci"; date: 
            "2024-01-31- 31"; volume: "10"; issue: "2"; pages: "402-416"
COMMENT     Sequence Label: pcDNA-iLACCO1.2
FEATURES             Location/Qualifiers
     source          1..6637
                     /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     1335..1356
                     /label=EGFP-C
                     /note="EGFP, forward primer"
     primer_bind     complement(1462..1483)
                     /label=EGFP-N
                     /note="EGFP, reverse primer"
     primer_bind     complement(1723..1742)
                     /label=EXFP-R
                     /note="For distinguishing EGFP variants, reverse primer"
     primer_bind     complement(2103..2120)
                     /label=BGH-rev
                     /note="Bovine growth hormone terminator, reverse primer. 
                     Also called BGH reverse"
     polyA_signal    2109..2333
                     /label=bGH poly(A) signal
                     /note="bovine growth hormone polyadenylation signal"
     rep_origin      2379..2807
                     /direction=RIGHT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(2466..2485)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     primer_bind     2676..2697
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     primer_bind     complement(2816..2836)
                     /label=pBABE 3'
                     /note="SV40 enhancer, reverse primer for pBABE vectors"
     promoter        2821..3150
                     /label=SV40 promoter
                     /note="SV40 enhancer and early promoter"
     rep_origin      3001..3136
                     /label=SV40 ori
                     /note="SV40 origin of replication"
     primer_bind     3063..3082
                     /label=SV40pro-F
                     /note="SV40 promoter/origin, forward primer"
     CDS             3217..4011
                     /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(3271..3290)
                     /label=Neo-R
                     /note="Neomycin resistance gene, reverse primer"
     primer_bind     3881..3900
                     /label=Neo-F
                     /note="Neomycin resistance gene, forward primer"
     polyA_signal    4185..4306
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     primer_bind     complement(4222..4241)
                     /label=SV40pA-R
                     /note="SV40 polyA, reverse primer"
     primer_bind     4276..4295
                     /label=EBV-rev
                     /note="SV40 polyA terminator, reverse primer"
     primer_bind     complement(4355..4371)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(4355..4371)
                     /label=M13 Reverse
                     /note="In lacZ gene. Also called M13-rev"
     primer_bind     complement(4368..4390)
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     protein_bind    4379..4395
                     /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(4403..4409,4410..4427,4428..4433))
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    4448..4469
                     /label=CAP binding site
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding activates transcription in the presence 
                     of cAMP."
     primer_bind     complement(4586..4603)
                     /label=L4440
                     /note="L4440 vector, forward primer"
     rep_origin      complement(4757..5345)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(4837..4856)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     CDS             complement(join(5516..6307,6308..6376))
                     /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     6139..6158
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     promoter        complement(6377..6481)
                     /gene="bla"
                     /label=AmpR promoter
     primer_bind     complement(6556..6575)
                     /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 ggaacaaaac atagtccagc cgttgaagac ccacatggca
      841 gacgaccctg attatacatt tgatattctg gaggcgcggt acgcgataga agcgtcaact
      901 gcctggcacg ctgcaatgcg agctacaccc ggggacaaag agaaaattca actgtgcttc
      961 gaggctacac tgtccgaaga tcccgatata gcttcccaag cagacgtaag gttccacctg
     1021 gcgattgctg aagcaagcca taacatagtt ctgcttcaga caatgcgagg ctattttgac
     1081 gttttgcagt cttcaattag gcacagtcga cagcggatgt acaggaagaa cgtctatatc
     1141 atggccgaca agcagaggaa cggcatcaag gcgaacttca tgatccgcca caacatcgag
     1201 ggcggcggcg tgcagctcgc ctaccactac cagcagaacg cccccatcgg cgacggcccc
     1261 gtgctgctgc ccgacagcca ctacctgagc acccagtcca aactttcgaa agaccccaac
     1321 gagaagcgcg atcacatggt cctgctggag ttcgtgaccg ccgccgggac cactcccggc
     1381 atggacgagc tgtacaaggg cggtaccaga gggagcatgg tgagcaaggg cgaggagctg
     1441 ttcaccgggg tggtgcccat cctggtcgag ctggacggcg acgtaaacgg ccacaagttc
     1501 agcgtgtccg gcgagggtga gggcgatgcc acctacggca agctgaccct gaagttcatc
     1561 tgcaccaccg gcaagctgcc cgtgccctgg cccaccctcg tgaccaccct gacctacggc
     1621 gtgcagtgct tcggccgcta ccccgaccac atgaagcagc acgacttctt caagtccgcc
     1681 atgcccgaag gctacatcca ggagcgctcc atcttcttcg aggacgacgg caactacaag
     1741 acccgcgccg aggtgaagtt cgagggcgac accctggtga accgcatcga gctgaagggc
     1801 atcgacttca aggaggacgg caacatcctg gggcataagc tggagtacaa ccttgaggag
     1861 ggtgtgccgc cggtcttcag tcaactcaca gaacagcatc aggcagttat agacgccatc
     1921 tttgccggcg atgcggacgg tgcaagaaaa gctatgttgg ctcatctgag cttcgtccat
     1981 acgactatga aacgcttcga cgatgatcat gcccgacacg cacgcattac cagactgcct
     2041 ggagagcata atgagcactc tcgggaaaag aatgcatgaa agcttggtaa accgctgatc
     2101 agcctcgact gtgccttcta gttgccagcc atctgttgtt tgcccctccc ccgtgccttc
     2161 cttgaccctg gaaggtgcca ctcccactgt cctttcctaa taaaatgagg aaattgcatc
     2221 gcattgtctg agtaggtgtc attctattct ggggggtggg gtggggcagg acagcaaggg
     2281 ggaggattgg gaagacaata gcaggcatgc tggggatgcg gtgggctcta tggcttctga
     2341 ggcggaaaga accagctggg gctctagggg gtatccccac gcgccctgta gcggcgcatt
     2401 aagcgcggcg ggtgtggtgg ttacgcgcag cgtgaccgct acacttgcca gcgccctagc
     2461 gcccgctcct ttcgctttct tcccttcctt tctcgccacg ttcgccggct ttccccgtca
     2521 agctctaaat cgggggctcc ctttagggtt ccgatttagt gctttacggc acctcgaccc
     2581 caaaaaactt gattagggtg atggttcacg tagtgggcca tcgccctgat agacggtttt
     2641 tcgccctttg acgttggagt ccacgttctt taatagtgga ctcttgttcc aaactggaac
     2701 aacactcaac cctatctcgg tctattcttt tgatttataa gggattttgc cgatttcggc
     2761 ctattggtta aaaaatgagc tgatttaaca aaaatttaac gcgaattaat tctgtggaat
     2821 gtgtgtcagt tagggtgtgg aaagtcccca ggctccccag caggcagaag tatgcaaagc
     2881 atgcatctca attagtcagc aaccaggtgt ggaaagtccc caggctcccc agcaggcaga
     2941 agtatgcaaa gcatgcatct caattagtca gcaaccatag tcccgcccct aactccgccc
     3001 atcccgcccc taactccgcc cagttccgcc cattctccgc cccatggctg actaattttt
     3061 tttatttatg cagaggccga ggccgcctct gcctctgagc tattccagaa gtagtgagga
     3121 ggcttttttg gaggcctagg cttttgcaaa aagctcccgg gagcttgtat atccattttc
     3181 ggatctgatc aagagacagg atgaggatcg tttcgcatga ttgaacaaga tggattgcac
     3241 gcaggttctc cggccgcttg ggtggagagg ctattcggct atgactgggc acaacagaca
     3301 atcggctgct ctgatgccgc cgtgttccgg ctgtcagcgc aggggcgccc ggttcttttt
     3361 gtcaagaccg acctgtccgg tgccctgaat gaactgcagg acgaggcagc gcggctatcg
     3421 tggctggcca cgacgggcgt tccttgcgca gctgtgctcg acgttgtcac tgaagcggga
     3481 agggactggc tgctattggg cgaagtgccg gggcaggatc tcctgtcatc tcaccttgct
     3541 cctgccgaga aagtatccat catggctgat gcaatgcggc ggctgcatac gcttgatccg
     3601 gctacctgcc cattcgacca ccaagcgaaa catcgcatcg agcgagcacg tactcggatg
     3661 gaagccggtc ttgtcgatca ggatgatctg gacgaagagc atcaggggct cgcgccagcc
     3721 gaactgttcg ccaggctcaa ggcgcgcatg cccgacggcg aggatctcgt cgtgacccat
     3781 ggcgatgcct gcttgccgaa tatcatggtg gaaaatggcc gcttttctgg attcatcgac
     3841 tgtggccggc tgggtgtggc ggaccgctat caggacatag cgttggctac ccgtgatatt
     3901 gctgaagagc ttggcggcga atgggctgac cgcttcctcg tgctttacgg tatcgccgct
     3961 cccgattcgc agcgcatcgc cttctatcgc cttcttgacg agttcttctg agcgggactc
     4021 tggggttcga aatgaccgac caagcgacgc ccaacctgcc atcacgagat ttcgattcca
     4081 ccgccgcctt ctatgaaagg ttgggcttcg gaatcgtttt ccgggacgcc ggctggatga
     4141 tcctccagcg cggggatctc atgctggagt tcttcgccca ccccaacttg tttattgcag
     4201 cttataatgg ttacaaataa agcaatagca tcacaaattt cacaaataaa gcattttttt
     4261 cactgcattc tagttgtggt ttgtccaaac tcatcaatgt atcttatcat gtctgtatac
     4321 cgtcgacctc tagctagagc ttggcgtaat catggtcata gctgtttcct gtgtgaaatt
     4381 gttatccgct cacaattcca cacaacatac gagccggaag cataaagtgt aaagcctggg
     4441 gtgcctaatg agtgagctaa ctcacattaa ttgcgttgcg ctcactgccc gctttccagt
     4501 cgggaaacct gtcgtgccag ctgcattaat gaatcggcca acgcgcgggg agaggcggtt
     4561 tgcgtattgg gcgctcttcc gcttcctcgc tcactgactc gctgcgctcg gtcgttcggc
     4621 tgcggcgagc ggtatcagct cactcaaagg cggtaatacg gttatccaca gaatcagggg
     4681 ataacgcagg aaagaacatg tgagcaaaag gccagcaaaa ggccaggaac cgtaaaaagg
     4741 ccgcgttgct ggcgtttttc cataggctcc gcccccctga cgagcatcac aaaaatcgac
     4801 gctcaagtca gaggtggcga aacccgacag gactataaag ataccaggcg tttccccctg
     4861 gaagctccct cgtgcgctct cctgttccga ccctgccgct taccggatac ctgtccgcct
     4921 ttctcccttc gggaagcgtg gcgctttctc atagctcacg ctataggtat ctcagttcgg
     4981 tgtaggtcgt tcgctccaag ctgggctgtg tgcacgaacc ccccgttcag cccgaccgct
     5041 gcgccttatc cggtaactat cgtcttgagt ccaacccggt aagacacgac ttatcgccac
     5101 tggcagcagc cactggtaac aggattagca gagcgaggta tgtaggcggt gctacagagt
     5161 tcttgaagtg gtggcctaac tacggctaca ctagaagaac agtatttggt atctgcgctc
     5221 tgctgaagcc agttaccttc ggaaaaagag ttggtagctc ttgatccggc aaacaaacca
     5281 ccgctggtag cggtggtttt tttgtttgca agcagcagat tacgcgcaga aaaaaaggat
     5341 ctcaagaaga tcctttgatc ttttctacgg ggtctgacgc tcagtggaac gaaaactcac
     5401 gttaagggat tttggtcatg agattatcaa aaaggatctt cacctagatc cttttaaatt
     5461 aaaaatgaag ttttaaatca atctaaagta tatatgagta aacttggtct gacagttacc
     5521 aatgcttaat cagtgaggca cctatctcag cgatctgtct atttcgttca tccatagttg
     5581 cctgactccc cgtcgtgtag ataactacga tacgggaggg cttaccatct ggccccagtg
     5641 ctgcaatgat accgcgagac ccacgctcac cggctccaga tttatcagca ataaaccagc
     5701 cagccggaag ggccgagcgc agaagtggtc ctgcaacttt atccgcctcc atccagtcta
     5761 ttaattgttg ccgggaagct agagtaagta gttcgccagt taatagtttg cgcaacgttg
     5821 ttgccattgc tacaggcatc gtggtgtcac gctcgtcgtt tggtatggct tcattcagct
     5881 ccggttccca acgatcaagg cgagttacat gatcccccat gttgtgcaaa aaagcggtta
     5941 gctccttcgg tcctccgatc gttgtcagaa gtaagttggc cgcagtgtta tcactcatgg
     6001 ttatggcagc actgcataat tctcttactg tcatgccatc cgtaagatgc ttttctgtga
     6061 ctggtgagta ctcaaccaag tcattctgag aatagtgtat gcggcgaccg agttgctctt
     6121 gcccggcgtc aatacgggat aataccgcgc cacatagcag aactttaaaa gtgctcatca
     6181 ttggaaaacg ttcttcgggg cgaaaactct caaggatctt accgctgttg agatccagtt
     6241 cgatgtaacc cactcgtgca cccaactgat cttcagcatc ttttactttc accagcgttt
     6301 ctgggtgagc aaaaacagga aggcaaaatg ccgcaaaaaa gggaataagg gcgacacgga
     6361 aatgttgaat actcatactc ttcctttttc aatattattg aagcatttat cagggttatt
     6421 gtctcatgag cggatacata tttgaatgta tttagaaaaa taaacaaata ggggttccgc
     6481 gcacatttcc ccgaaaagtg ccacctgacg tcgacggatc gggagatctc ccgatcccct
     6541 atggtgcact ctcagtacaa tctgctctga tgccgcatag ttaagccagt atctgctccc
     6601 tgcttgtgtg ttggaggtcg ctgagtagtg cgcgagc
//
