LOCUS       sequence-338897-        6677 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  an improved fluorescent biosensor for thioredoxin redox.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 6677)
  AUTHORS   Pang Y, Zhang H, Ai HW
  TITLE     Improved Red Fluorescent Redox Indicators for Monitoring Cytosolic 
            and Mitochondrial Thioredoxin Redox Dynamics.
  JOURNAL   Biochemistry. 2022 Mar 1;61(5):377-384. doi: 
            10.1021/acs.biochem.1c00634. Epub 2022 Feb 8.
  PUBMED    35133140
REFERENCE   2  (bases 1 to 6677)
  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/acs.biochem.1c00634"; journalName: "Biochemistry"; date: 
            "2022-03-1- 1"; volume: "61"; issue: "5"; pages: "377-384"
COMMENT     Sequence Label: pcDNA3-TrxRFP2
FEATURES             Location/Qualifiers
     source          1..6677
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     enhancer        1..380
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
     promoter        381..584
                     /label=CMV promoter
                     /note="human cytomegalovirus (CMV) immediate early 
                     promoter"
     primer_bind     535..555
                     /label=CMV-F
                     /note="Human CMV immediate early promoter, forward primer"
     primer_bind     629..648
                     /label=T7
                     /note="T7 promoter, forward primer"
     promoter        629..647
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     regulatory      664..673
                     /label=Kozak sequence
                     /note="vertebrate consensus sequence for strong initiation 
                     of translation (Kozak, 1987)"
                     /regulatory_class="other"
     CDS             682..699
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /label=6xHis
                     /translation="HHHHHH"
     CDS             703..735
                     /codon_start=1
                     /product="leader peptide from bacteriophage T7 gene 10"
                     /label=T7 tag (gene 10 leader)
                     /note="promotes efficient translation in E. coli"
                     /translation="MASMTGGQQMG"
     CDS             join(739..747,748..762)
                     /codon_start=1
                     /product="Xpress(TM) epitope tag, including an enterokinase
                     recognition and cleavage site"
                     /label=Xpress(TM) tag
                     /translation="DLYDDDDK"
     primer_bind     1911..1930
                     /label=mCherry-F
                     /note="mCherry, forward primer"
     promoter        complement(1996..2014)
                     /label=SP6 promoter
                     /note="promoter for bacteriophage SP6 RNA polymerase"
     primer_bind     complement(1997..2014)
                     /label=SP6
                     /note="SP6 promoter, forward primer"
     primer_bind     complement(2034..2051)
                     /label=BGH-rev
                     /note="Bovine growth hormone terminator, reverse primer. 
                     Also called BGH reverse"
     polyA_signal    2040..2264
                     /label=bGH poly(A) signal
                     /note="bovine growth hormone polyadenylation signal"
     rep_origin      2310..2738
                     /direction=RIGHT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(2397..2416)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     primer_bind     2607..2628
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     primer_bind     complement(2747..2767)
                     /label=pBABE 3'
                     /note="SV40 enhancer, reverse primer for pBABE vectors"
     promoter        2752..3081
                     /label=SV40 promoter
                     /note="SV40 enhancer and early promoter"
     rep_origin      2932..3067
                     /label=SV40 ori
                     /note="SV40 origin of replication"
     primer_bind     2994..3013
                     /label=SV40pro-F
                     /note="SV40 promoter/origin, forward primer"
     CDS             3148..3942
                     /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(3202..3221)
                     /label=Neo-R
                     /note="Neomycin resistance gene, reverse primer"
     primer_bind     3812..3831
                     /label=Neo-F
                     /note="Neomycin resistance gene, forward primer"
     polyA_signal    4116..4237
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     primer_bind     complement(4153..4172)
                     /label=SV40pA-R
                     /note="SV40 polyA, reverse primer"
     primer_bind     4207..4226
                     /label=EBV-rev
                     /note="SV40 polyA terminator, reverse primer"
     primer_bind     complement(4286..4302)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(4286..4302)
                     /label=M13 Reverse
                     /note="In lacZ gene. Also called M13-rev"
     primer_bind     complement(4299..4321)
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     protein_bind    4310..4326
                     /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(4334..4340,4341..4358,4359..4364))
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    4379..4400
                     /label=CAP binding site
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding activates transcription in the presence 
                     of cAMP."
     primer_bind     complement(4517..4534)
                     /label=L4440
                     /note="L4440 vector, forward primer"
     rep_origin      complement(4688..5276)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(4768..4787)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     CDS             complement(join(5447..6238,6239..6307))
                     /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     6070..6089
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     promoter        complement(6308..6412)
                     /gene="bla"
                     /label=AmpR promoter
     primer_bind     complement(6487..6506)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
ORIGIN
        1 gacattgatt attgactagt tattaatagt aatcaattac ggggtcatta gttcatagcc
       61 catatatgga gttccgcgtt acataactta cggtaaatgg cccgcctggc tgaccgccca
      121 acgacccccg cccattgacg tcaataatga cgtatgttcc catagtaacg ccaataggga
      181 ctttccattg acgtcaatgg gtggagtatt tacggtaaac tgcccacttg gcagtacatc
      241 aagtgtatca tatgccaagt acgcccccta ttgacgtcaa tgacggtaaa tggcccgcct
      301 ggcattatgc ccagtacatg accttatggg actttcctac ttggcagtac atctacgtat
      361 tagtcatcgc tattaccatg gtgatgcggt tttggcagta catcaatggg cgtggatagc
      421 ggtttgactc acggggattt ccaagtctcc accccattga cgtcaatggg agtttgtttt
      481 ggcaccaaaa tcaacgggac tttccaaaat gtcgtaacaa ctccgcccca ttgacgcaaa
      541 tgggcggtag gcgtgtacgg tgggaggtct atataagcag agctctctgg ctaactagag
      601 aacccactgc ttactggctt atcgaaatta atacgactca ctatagggag acccaagctt
      661 gccgccacca tgggaggttc tcatcatcat catcatcatg gtatggctag catgactggt
      721 ggacagcaaa tgggtcggga tctgtacgac gatgacgata aggatccgag ctcgagcatg
      781 gttaaacaga tcgaatctaa aaccgcgttc caggaagcgc tggatgcgac gggtgacaaa
      841 ctggttgttg ttgacttctc tgcgacctgg tgcggtccgt gcaaaatgat caaaccgttc
      901 ttccactctc tgtctgaaaa atactctaac gttatcttcc tgggagttga cgttgacgac
      961 tcccaggacg ttacgtccga atccgaagtt aaatccatgc cgaccttcca gttcttcaaa
     1021 aaaggtcaga aagttggtga attctctggt gcggacaaag aaaaactgga agcgaccatc
     1081 aacgaactgg ttggtggcag tggtggcggc agtagtggcg gtggagggag cggagggggg
     1141 ggaagcgggg gaggtggaag tggcggggga ggtagtgggg gcgagcttag ttgcgctata
     1201 agtcggctga gctcacccgt ggtttccgag cggatgtacc ccgaggacgg cgccctgaag
     1261 agcgagatca agaaggggct aaggctgaag gacggcggcc actacgccgc cgaggtcaag
     1321 accacctaca aggccaagaa gcccgtgcag ctgcccggcg cctacatcgt cgacatcaag
     1381 ttggacatcg tgtcccacaa cgaggactac accatcgtgg aacaatacga acgcgccgag
     1441 ggccgccact ccaccggcgg catggacgag ctgtacaagg gaggtacagg cgggagtctg
     1501 gtgagcaagg gcgaggaggt taacatggcc atcatcaagg agttcatgcg cttcaaggtg
     1561 cacatggagg gctccgtgaa cggccacgag ttcgagatcg agggcgaggg cgagggccgc
     1621 ccctacgagg cctttcagac cgctaagctg aaggtgacca agggtggccc cctgcccttc
     1681 gcctgggaca tcctgtcccc tcagttcatg tacggctcca aggcctacat taagcaccca
     1741 gccgacatcc ccgactactt caagctgtcc ttccccgagg gcttcaggtg ggagcgcgtg
     1801 atgaacttcg aggacggcgg cattattcac gttaaccagg actcctccct gcaggacggc
     1861 gtattcatct acaaggtgaa gctgcgcggc accaacttcc cccccgacgg ccccgtaatg
     1921 cagaagaaga ccatgggctg ggaggctacg cgtgaccaaa ggtgctccag tcaggcttaa
     1981 tctagagggc cctattctat agtgtcacct aaatgctaga gctcgctgat cagcctcgac
     2041 tgtgccttct agttgccagc catctgttgt ttgcccctcc cccgtgcctt ccttgaccct
     2101 ggaaggtgcc actcccactg tcctttccta ataaaatgag gaaattgcat cgcattgtct
     2161 gagtaggtgt cattctattc tggggggtgg ggtggggcag gacagcaagg gggaggattg
     2221 ggaagacaat agcaggcatg ctggggatgc ggtgggctct atggcttctg aggcggaaag
     2281 aaccagctgg ggctctaggg ggtatcccca cgcgccctgt agcggcgcat taagcgcggc
     2341 gggtgtggtg gttacgcgca gcgtgaccgc tacacttgcc agcgccctag cgcccgctcc
     2401 tttcgctttc ttcccttcct ttctcgccac gttcgccggc tttccccgtc aagctctaaa
     2461 tcgggggctc cctttagggt tccgatttag tgctttacgg cacctcgacc ccaaaaaact
     2521 tgattagggt gatggttcac gtagtgggcc atcgccctga tagacggttt ttcgcccttt
     2581 gacgttggag tccacgttct ttaatagtgg actcttgttc caaactggaa caacactcaa
     2641 ccctatctcg gtctattctt ttgatttata agggattttg ccgatttcgg cctattggtt
     2701 aaaaaatgag ctgatttaac aaaaatttaa cgcgaattaa ttctgtggaa tgtgtgtcag
     2761 ttagggtgtg gaaagtcccc aggctcccca gcaggcagaa gtatgcaaag catgcatctc
     2821 aattagtcag caaccaggtg tggaaagtcc ccaggctccc cagcaggcag aagtatgcaa
     2881 agcatgcatc tcaattagtc agcaaccata gtcccgcccc taactccgcc catcccgccc
     2941 ctaactccgc ccagttccgc ccattctccg ccccatggct gactaatttt ttttatttat
     3001 gcagaggccg aggccgcctc tgcctctgag ctattccaga agtagtgagg aggctttttt
     3061 ggaggcctag gcttttgcaa aaagctcccg ggagcttgta tatccatttt cggatctgat
     3121 caagagacag gatgaggatc gtttcgcatg attgaacaag atggattgca cgcaggttct
     3181 ccggccgctt gggtggagag gctattcggc tatgactggg cacaacagac aatcggctgc
     3241 tctgatgccg ccgtgttccg gctgtcagcg caggggcgcc cggttctttt tgtcaagacc
     3301 gacctgtccg gtgccctgaa tgaactgcag gacgaggcag cgcggctatc gtggctggcc
     3361 acgacgggcg ttccttgcgc agctgtgctc gacgttgtca ctgaagcggg aagggactgg
     3421 ctgctattgg gcgaagtgcc ggggcaggat ctcctgtcat ctcaccttgc tcctgccgag
     3481 aaagtatcca tcatggctga tgcaatgcgg cggctgcata cgcttgatcc ggctacctgc
     3541 ccattcgacc accaagcgaa acatcgcatc gagcgagcac gtactcggat ggaagccggt
     3601 cttgtcgatc aggatgatct ggacgaagag catcaggggc tcgcgccagc cgaactgttc
     3661 gccaggctca aggcgcgcat gcccgacggc gaggatctcg tcgtgaccca tggcgatgcc
     3721 tgcttgccga atatcatggt ggaaaatggc cgcttttctg gattcatcga ctgtggccgg
     3781 ctgggtgtgg cggaccgcta tcaggacata gcgttggcta cccgtgatat tgctgaagag
     3841 cttggcggcg aatgggctga ccgcttcctc gtgctttacg gtatcgccgc tcccgattcg
     3901 cagcgcatcg ccttctatcg ccttcttgac gagttcttct gagcgggact ctggggttcg
     3961 aaatgaccga ccaagcgacg cccaacctgc catcacgaga tttcgattcc accgccgcct
     4021 tctatgaaag gttgggcttc ggaatcgttt tccgggacgc cggctggatg atcctccagc
     4081 gcggggatct catgctggag ttcttcgccc accccaactt gtttattgca gcttataatg
     4141 gttacaaata aagcaatagc atcacaaatt tcacaaataa agcatttttt tcactgcatt
     4201 ctagttgtgg tttgtccaaa ctcatcaatg tatcttatca tgtctgtata ccgtcgacct
     4261 ctagctagag cttggcgtaa tcatggtcat agctgtttcc tgtgtgaaat tgttatccgc
     4321 tcacaattcc acacaacata cgagccggaa gcataaagtg taaagcctgg ggtgcctaat
     4381 gagtgagcta actcacatta attgcgttgc gctcactgcc cgctttccag tcgggaaacc
     4441 tgtcgtgcca gctgcattaa tgaatcggcc aacgcgcggg gagaggcggt ttgcgtattg
     4501 ggcgctcttc cgcttcctcg ctcactgact cgctgcgctc ggtcgttcgg ctgcggcgag
     4561 cggtatcagc tcactcaaag gcggtaatac ggttatccac agaatcaggg gataacgcag
     4621 gaaagaacat gtgagcaaaa ggccagcaaa aggccaggaa ccgtaaaaag gccgcgttgc
     4681 tggcgttttt ccataggctc cgcccccctg acgagcatca caaaaatcga cgctcaagtc
     4741 agaggtggcg aaacccgaca ggactataaa gataccaggc gtttccccct ggaagctccc
     4801 tcgtgcgctc tcctgttccg accctgccgc ttaccggata cctgtccgcc tttctccctt
     4861 cgggaagcgt ggcgctttct catagctcac gctgtaggta tctcagttcg gtgtaggtcg
     4921 ttcgctccaa gctgggctgt gtgcacgaac cccccgttca gcccgaccgc tgcgccttat
     4981 ccggtaacta tcgtcttgag tccaacccgg taagacacga cttatcgcca ctggcagcag
     5041 ccactggtaa caggattagc agagcgaggt atgtaggcgg tgctacagag ttcttgaagt
     5101 ggtggcctaa ctacggctac actagaagaa cagtatttgg tatctgcgct ctgctgaagc
     5161 cagttacctt cggaaaaaga gttggtagct cttgatccgg caaacaaacc accgctggta
     5221 gcggtggttt ttttgtttgc aagcagcaga ttacgcgcag aaaaaaagga tctcaagaag
     5281 atcctttgat cttttctacg gggtctgacg ctcagtggaa cgaaaactca cgttaaggga
     5341 ttttggtcat gagattatca aaaaggatct tcacctagat ccttttaaat taaaaatgaa
     5401 gttttaaatc aatctaaagt atatatgagt aaacttggtc tgacagttac caatgcttaa
     5461 tcagtgaggc acctatctca gcgatctgtc tatttcgttc atccatagtt gcctgactcc
     5521 ccgtcgtgta gataactacg atacgggagg gcttaccatc tggccccagt gctgcaatga
     5581 taccgcgaga cccacgctca ccggctccag atttatcagc aataaaccag ccagccggaa
     5641 gggccgagcg cagaagtggt cctgcaactt tatccgcctc catccagtct attaattgtt
     5701 gccgggaagc tagagtaagt agttcgccag ttaatagttt gcgcaacgtt gttgccattg
     5761 ctacaggcat cgtggtgtca cgctcgtcgt ttggtatggc ttcattcagc tccggttccc
     5821 aacgatcaag gcgagttaca tgatccccca tgttgtgcaa aaaagcggtt agctccttcg
     5881 gtcctccgat cgttgtcaga agtaagttgg ccgcagtgtt atcactcatg gttatggcag
     5941 cactgcataa ttctcttact gtcatgccat ccgtaagatg cttttctgtg actggtgagt
     6001 actcaaccaa gtcattctga gaatagtgta tgcggcgacc gagttgctct tgcccggcgt
     6061 caatacggga taataccgcg ccacatagca gaactttaaa agtgctcatc attggaaaac
     6121 gttcttcggg gcgaaaactc tcaaggatct taccgctgtt gagatccagt tcgatgtaac
     6181 ccactcgtgc acccaactga tcttcagcat cttttacttt caccagcgtt tctgggtgag
     6241 caaaaacagg aaggcaaaat gccgcaaaaa agggaataag ggcgacacgg aaatgttgaa
     6301 tactcatact cttccttttt caatattatt gaagcattta tcagggttat tgtctcatga
     6361 gcggatacat atttgaatgt atttagaaaa ataaacaaat aggggttccg cgcacatttc
     6421 cccgaaaagt gccacctgac gtcgacggat cgggagatct cccgatcccc tatggtgcac
     6481 tctcagtaca atctgctctg atgccgcata gttaagccag tatctgctcc ctgcttgtgt
     6541 gttggaggtc gctgagtagt gcgcgagcaa aatttaagct acaacaaggc aaggcttgac
     6601 cgacaattgc atgaagaatc tgcttagggt taggcgtttt gcgctgcttc gcgatgtacg
     6661 ggccagatat acgcgtt
//
