LOCUS       sequence-225171-        6394 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Peroxidase reporter for multiplexed electron microscopy labeling.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 6394)
  AUTHORS   Zhang Q, Lee WA, Paul DL, Ginty DD
  TITLE     Multiplexed peroxidase-based electron microscopy labeling enables 
            simultaneous visualization of multiple cell types.
  JOURNAL   Nat Neurosci. 2019 Mar 18. pii: 10.1038/s41593-019-0358-7. doi: 
            10.1038/s41593-019-0358-7.
  PUBMED    30886406
REFERENCE   2  (bases 1 to 6394)
  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 
            Neurosci. 2019 Mar 18. pii: 10.1038/s41593-019-0358-7. doi: 
            10.1038/s41593-019-0358-7."
COMMENT     Sequence Label: pAAV-FDIO-dAPEX2
FEATURES             Location/Qualifiers
     source          1..6394
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     repeat_region   1..130
                     /label=AAV2 ITR (alternate)
                     /note="Functional equivalent of wild-type AAV2 ITR"
     promoter        231..1409
                     /label=EF-1-alpha promoter
                     /note="strong constitutive promoter for human elongation 
                     factor EF-1-alpha"
     intron          462..1400
                     /label=EF-1-alpha intron A
                     /note="intron upstream of the start codon of human 
                     EF-1-alpha"
     primer_bind     1357..1377
                     /label=EF1a-F
                     /note="Human elongation factor-1a promoter, forward primer"
     protein_bind    1440..1473
                     /label=FRT (minimal)
                     /bound_moiety="FLP recombinase from the Saccharomyces 
                     cerevisiae 2u plasmid"
                     /note="supports FLP-mediated excision but not integration 
                     (Turan and Bode, 2011)"
     protein_bind    1524..1557
                     /label=FRT3
                     /bound_moiety="FLP recombinase from the Saccharomyces 
                     cerevisiae 2u plasmid"
                     /note="supports FLP-mediated excision with other FRT3 sites
                     (Bosch et al., 2015)"
     CDS             complement(1598..2347)
                     /codon_start=1
                     /product="soybean ascorbate peroxidase, engineered to serve
                     as a monomeric tag for electron microscopy and live-cell 
                     proteomics (Lam et al., 2015)"
                     /label=APEX2
                     /note="more active than the original APEX due to the A134P 
                     mutation"
                     /translation="MGKSYPTVSADYQKAVEKAKKKLRGFIAEKRCAPLMLRLAFHSAG
                     TFDKGTKTGGPFGTIKHPAELAHSANNGLDIAVRLLEPLKAEFPILSYADFYQLAGVVA
                     VEVTGGPEVPFHPGREDKPEPPPEGRLPDPTKGSDHLRDVFGKAMGLTDQDIVALSGGH
                     TIGAAHKERSGFEGPWTSNPLIFDNSYFTELLSGEKEGLLQLPSDKALLSDPVFRPLVD
                     KYAADEDAFFADYAEAHQKLSELGFADA"
     regulatory      2344..2353
                     /label=Kozak sequence
                     /note="vertebrate consensus sequence for strong initiation 
                     of translation (Kozak, 1987)"
                     /regulatory_class="other"
     protein_bind    complement(2379..2412)
                     /label=FRT (minimal)
                     /bound_moiety="FLP recombinase from the Saccharomyces 
                     cerevisiae 2u plasmid"
                     /note="supports FLP-mediated excision but not integration 
                     (Turan and Bode, 2011)"
     protein_bind    complement(2463..2496)
                     /label=FRT3
                     /bound_moiety="FLP recombinase from the Saccharomyces 
                     cerevisiae 2u plasmid"
                     /note="supports FLP-mediated excision with other FRT3 sites
                     (Bosch et al., 2015)"
     misc_feature    2521..3109
                     /label=WPRE
                     /note="woodchuck hepatitis virus posttranscriptional 
                     regulatory element"
     primer_bind     complement(2574..2594)
                     /label=WPRE-R
                     /note="WPRE, reverse primer"
     CDS             complement(2992..3003)
                     /codon_start=1
                     /product="Factor Xa recognition and cleavage site"
                     /label=Factor Xa site
                     /translation="IEGR"
     polyA_signal    3141..3617
                     /label=hGH poly(A) signal
                     /note="human growth hormone polyadenylation signal"
     primer_bind     complement(3340..3359)
                     /label=hGH-PA-R
                     /note="Human growth hormone terminator, reverse primer"
     repeat_region   3657..3797
                     /label=AAV2 ITR
                     /note="inverted terminal repeat of adeno-associated virus 
                     serotype 2"
     repeat_region   3657..3786
                     /label=AAV2 ITR
     rep_origin      3872..4327
                     /direction=RIGHT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(3959..3978)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     primer_bind     4169..4190
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     primer_bind     complement(4344..4363)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
     primer_bind     4463..4485
                     /label=pGEX 3'
                     /note="pGEX vectors, reverse primer"
     primer_bind     complement(4523..4541)
                     /label=pBRforEco
                     /note="pBR322 vectors, upsteam of EcoRI site, forward 
                     primer"
     promoter        4609..4713
                     /gene="bla"
                     /label=AmpR promoter
     CDS             join(4714..4782,4783..5574)
                     /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     complement(4932..4951)
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     rep_origin      5745..6333
                     /direction=RIGHT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     6234..6253
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
ORIGIN
        1 cctgcaggca gctgcgcgct cgctcgctca ctgaggccgc ccgggcgtcg ggcgaccttt
       61 ggtcgcccgg cctcagtgag cgagcgagcg cgcagagagg gagtggccaa ctccatcact
      121 aggggttcct gcggccgcac gcgtaagctt tgcaaagatg gataaagttt taaacagaga
      181 ggaatctttg cagctaatgg accttctagg tcttgaaagg agtgggaatt ggctccggtg
      241 cccgtcagtg ggcagagcgc acatcgccca cagtccccga gaagttgggg ggaggggtcg
      301 gcaattgaac cggtgcctag agaaggtggc gcggggtaaa ctgggaaagt gatgtcgtgt
      361 actggctccg cctttttccc gagggtgggg gagaaccgta tataagtgca gtagtcgccg
      421 tgaacgttct ttttcgcaac gggtttgccg ccagaacaca ggtaagtgcc gtgtgtggtt
      481 cccgcgggcc tggcctcttt acgggttatg gcccttgcgt gccttgaatt acttccacct
      541 ggctgcagta cgtgattctt gatcccgagc ttcgggttgg aagtgggtgg gagagttcga
      601 ggccttgcgc ttaaggagcc ccttcgcctc gtgcttgagt tgaggcctgg cctgggcgct
      661 ggggccgccg cgtgcgaatc tggtggcacc ttcgcgcctg tctcgctgct ttcgataagt
      721 ctctagccat ttaaaatttt tgatgacctg ctgcgacgct ttttttctgg caagatagtc
      781 ttgtaaatgc gggccaagat ctgcacactg gtatttcggt ttttggggcc gcgggcggcg
      841 acggggcccg tgcgtcccag cgcacatgtt cggcgaggcg gggcctgcga gcgcggccac
      901 cgagaatcgg acgggggtag tctcaagctg gccggcctgc tctggtgcct ggcctcgcgc
      961 cgccgtgtat cgccccgccc tgggcggcaa ggctggcccg gtcggcacca gttgcgtgag
     1021 cggaaagatg gccgcttccc ggccctgctg cagggagctc aaaatggagg acgcggcgct
     1081 cgggagagcg ggcgggtgag tcacccacac aaaggaaaag ggcctttccg tcctcagccg
     1141 tcgcttcatg tgactccacg gagtaccggg cgccgtccag gcacctcgat tagttctcga
     1201 gcttttggag tacgtcgtct ttaggttggg gggaggggtt ttatgcgatg gagtttcccc
     1261 acactgagtg ggtggagact gaagttaggc cagcttggca cttgatgtaa ttctccttgg
     1321 aatttgccct ttttgagttt ggatcttggt tcattctcaa gcctcagaca gtggttcaaa
     1381 gtttttttct tccatttcag gtgtcgtgag gtaccggatc ctctagagtc gactccggag
     1441 aagttcctat tctctagaaa gtataggaac ttcgcagaat ggtagctgga ttgtagctgc
     1501 tattagcaat atgaaacctc ttggaagttc ctattcttca aatagtatag gaacttcgcc
     1561 tcaaagccgc gtgacgagct agcccatggg aattctaggc atcagcaaac ccaagctcgg
     1621 aaagcttttg gtgagcctca gcgtaatcag caaagaaggc atcttcgtcc gctgcatatt
     1681 tatcaacgag agggcggaat acagggtcag acaaaagagc cttgtcagaa ggtagctgaa
     1741 ggagaccttc cttctcacca ctcaacaact ccgtgaagta tgagttgtcg aaaataagag
     1801 gattagaggt ccagggaccc tcaaatccag aacgctcctt gtgtgcagct ccaatagtgt
     1861 gacccccaga tagagcaacg atatcttggt cagtaagccc catagctttg ccaaacacat
     1921 ctctcaaatg gtcagaaccc ttagtgggat cgggcaagcg accctctggt ggtggctcag
     1981 gcttgtcctc tcttccaggg tggaatggaa cttcaggtcc acccgtgacc tcaacggcaa
     2041 caacgccagc caactggtag aaatcggcgt agctcaaaat agggaactcc gccttgagtg
     2101 gctccaaaag cctaacagcg atgtcaagac cgttgttagc gctgtgagcc agttcggcag
     2161 ggtgcttgat ggttccgaag ggtccaccgg tcttcgtgcc cttgtcaaag gttccagcag
     2221 agtggaatgc caaacggagc attagaggag cgcatctctt ctcagcgatg aagcctctga
     2281 gcttcttctt cgccttctca acggccttct ggtaatcagc actcacagtt gggtaagact
     2341 ttcccatggt ggcaattcgt gagcgtcggt tgaacagcga agttcctata ctttctagag
     2401 aataggaact tcttgcctta acccagaaat tatcactgtt attctttaga atggtgcaaa
     2461 gagaagttcc tatactattt gaagaatagg aacttcaatc ccgatatcaa gcttatcgat
     2521 aatcaacctc tggattacaa aatttgtgaa agattgactg gtattcttaa ctatgttgct
     2581 ccttttacgc tatgtggata cgctgcttta atgcctttgt atcatgctat tgcttcccgt
     2641 atggctttca ttttctcctc cttgtataaa tcctggttgc tgtctcttta tgaggagttg
     2701 tggcccgttg tcaggcaacg tggcgtggtg tgcactgtgt ttgctgacgc aacccccact
     2761 ggttggggca ttgccaccac ctgtcagctc ctttccggga ctttcgcttt ccccctccct
     2821 attgccacgg cggaactcat cgccgcctgc cttgcccgct gctggacagg ggctcggctg
     2881 ttgggcactg acaattccgt ggtgttgtcg gggaaatcat cgtcctttcc ttggctgctc
     2941 gcctatgttg ccacctggat tctgcgcggg acgtccttct gctacgtccc ttcggccctc
     3001 aatccagcgg accttccttc ccgcggcctg ctgccggctc tgcggcctct tccgcgtctt
     3061 cgccttcgcc ctcagacgag tcggatctcc ctttgggccg cctccccgca tcgataccga
     3121 gcgctgctcg agagatctac gggtggcatc cctgtgaccc ctccccagtg cctctcctgg
     3181 ccctggaagt tgccactcca gtgcccacca gccttgtcct aataaaatta agttgcatca
     3241 ttttgtctga ctaggtgtcc ttctataata ttatggggtg gaggggggtg gtatggagca
     3301 aggggcaagt tgggaagaca acctgtaggg cctgcggggt ctattgggaa ccaagctgga
     3361 gtgcagtggc acaatcttgg ctcactgcaa tctccgcctc ctgggttcaa gcgattctcc
     3421 tgcctcagcc tcccgagttg ttgggattcc aggcatgcat gaccaggctc agctaatttt
     3481 tgtttttttg gtagagacgg ggtttcacca tattggccag gctggtctcc aactcctaat
     3541 ctcaggtgat ctacccacct tggcctccca aattgctggg attacaggcg tgaaccactg
     3601 ctcccttccc tgtccttctg attttgtagg taaccacgtg cggaccgagc ggccgcagga
     3661 acccctagtg atggagttgg ccactccctc tctgcgcgct cgctcgctca ctgaggccgg
     3721 gcgaccaaag gtcgcccgac gcccgggctt tgcccgggcg gcctcagtga gcgagcgagc
     3781 gcgcagctgc ctgcaggggc gcctgatgcg gtattttctc cttacgcatc tgtgcggtat
     3841 ttcacaccgc atacgtcaaa gcaaccatag tacgcgccct gtagcggcgc attaagcgcg
     3901 gcgggtgtgg tggttacgcg cagcgtgacc gctacacttg ccagcgcctt agcgcccgct
     3961 cctttcgctt tcttcccttc ctttctcgcc acgttcgccg gctttccccg tcaagctcta
     4021 aatcgggggc tccctttagg gttccgattt agtgctttac ggcacctcga ccccaaaaaa
     4081 cttgatttgg gtgatggttc acgtagtggg ccatcgccct gatagacggt ttttcgccct
     4141 ttgacgttgg agtccacgtt ctttaatagt ggactcttgt tccaaactgg aacaacactc
     4201 aactctatct cgggctattc ttttgattta taagggattt tgccgatttc ggtctattgg
     4261 ttaaaaaatg agctgattta acaaaaattt aacgcgaatt ttaacaaaat attaacgttt
     4321 acaattttat ggtgcactct cagtacaatc tgctctgatg ccgcatagtt aagccagccc
     4381 cgacacccgc caacacccgc tgacgcgccc tgacgggctt gtctgctccc ggcatccgct
     4441 tacagacaag ctgtgaccgt ctccgggagc tgcatgtgtc agaggttttc accgtcatca
     4501 ccgaaacgcg cgagacgaaa gggcctcgtg atacgcctat ttttataggt taatgtcatg
     4561 ataataatgg tttcttagac gtcaggtggc acttttcggg gaaatgtgcg cggaacccct
     4621 atttgtttat ttttctaaat acattcaaat atgtatccgc tcatgagaca ataaccctga
     4681 taaatgcttc aataatattg aaaaaggaag agtatgagta ttcaacattt ccgtgtcgcc
     4741 cttattccct tttttgcggc attttgcctt cctgtttttg ctcacccaga aacgctggtg
     4801 aaagtaaaag atgctgaaga tcagttgggt gcacgagtgg gttacatcga actggatctc
     4861 aacagcggta agatccttga gagttttcgc cccgaagaac gttttccaat gatgagcact
     4921 tttaaagttc tgctatgtgg cgcggtatta tcccgtattg acgccgggca agagcaactc
     4981 ggtcgccgca tacactattc tcagaatgac ttggttgagt actcaccagt cacagaaaag
     5041 catcttacgg atggcatgac agtaagagaa ttatgcagtg ctgccataac catgagtgat
     5101 aacactgcgg ccaacttact tctgacaacg atcggaggac cgaaggagct aaccgctttt
     5161 ttgcacaaca tgggggatca tgtaactcgc cttgatcgtt gggaaccgga gctgaatgaa
     5221 gccataccaa acgacgagcg tgacaccacg atgcctgtag caatggcaac aacgttgcgc
     5281 aaactattaa ctggcgaact acttactcta gcttcccggc aacaattaat agactggatg
     5341 gaggcggata aagttgcagg accacttctg cgctcggccc ttccggctgg ctggtttatt
     5401 gctgataaat ctggagccgg tgagcgtggg tctcgcggta tcattgcagc actggggcca
     5461 gatggtaagc cctcccgtat cgtagttatc tacacgacgg ggagtcaggc aactatggat
     5521 gaacgaaata gacagatcgc tgagataggt gcctcactga ttaagcattg gtaactgtca
     5581 gaccaagttt actcatatat actttagatt gatttaaaac ttcattttta atttaaaagg
     5641 atctaggtga agatcctttt tgataatctc atgaccaaaa tcccttaacg tgagttttcg
     5701 ttccactgag cgtcagaccc cgtagaaaag atcaaaggat cttcttgaga tccttttttt
     5761 ctgcgcgtaa tctgctgctt gcaaacaaaa aaaccaccgc taccagcggt ggtttgtttg
     5821 ccggatcaag agctaccaac tctttttccg aaggtaactg gcttcagcag agcgcagata
     5881 ccaaatactg ttcttctagt gtagccgtag ttaggccacc acttcaagaa ctctgtagca
     5941 ccgcctacat acctcgctct gctaatcctg ttaccagtgg ctgctgccag tggcgataag
     6001 tcgtgtctta ccgggttgga ctcaagacga tagttaccgg ataaggcgca gcggtcgggc
     6061 tgaacggggg gttcgtgcac acagcccagc ttggagcgaa cgacctacac cgaactgaga
     6121 tacctacagc gtgagctatg agaaagcgcc acgcttcccg aagggagaaa ggcggacagg
     6181 tatccggtaa gcggcagggt cggaacagga gagcgcacga gggagcttcc agggggaaac
     6241 gcctggtatc tttatagtcc tgtcgggttt cgccacctct gacttgagcg tcgatttttg
     6301 tgatgctcgt caggggggcg gagcctatgg aaaaacgcca gcaacgcggc ctttttacgg
     6361 ttcctggcct tttgctggcc ttttgctcac atgt
//
