LOCUS       sequence-272925-        8871 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  A-to-G base editor.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 8871)
  AUTHORS   Richter MF, Zhao KT, Eton E, Lapinaite A, Newby GA, Thuronyi BW, 
            Wilson C, Koblan LW, Zeng J, Bauer DE, Doudna JA, Liu DR
  TITLE     Phage-assisted evolution of an adenine base editor with improved Cas
            domain compatibility and activity.
  JOURNAL   Nat Biotechnol. 2020 Jul;38(7):883-891. doi: 
            10.1038/s41587-020-0453-z. Epub 2020 Mar 16.
  PUBMED    32433547
REFERENCE   2  (bases 1 to 8871)
  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: 
            "10.1038/s41587-020-0453-z"; journalName: "Nat Biotechnol"; date: 
            "2020-07"; volume: "38"; issue: "7"; pages: "883-891"
COMMENT     Sequence Label: CP1041-ABE8e-dimer
FEATURES             Location/Qualifiers
     source          1..8871
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     promoter        132..335
                     /label=CMV promoter
                     /note="human cytomegalovirus (CMV) immediate early 
                     promoter"
     primer_bind     286..306
                     /label=CMV-F
                     /note="Human CMV immediate early promoter, forward primer"
     primer_bind     377..396
                     /label=T7
                     /note="T7 promoter, forward primer"
     promoter        377..395
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     CDS             445..465
                     /codon_start=1
                     /product="nuclear localization signal of SV40 (simian virus
                     40) large T antigen"
                     /label=SV40 NLS
                     /translation="PKKKRKV"
     CDS             2698..4413
                     /codon_start=1
                     /product="N-terminal portion of Streptococcus pyogenes Cas9
                     (Zetsche et al., 2015)"
                     /label=Cas9(N)
                     /translation="DKKYSIGLAIGTNSVGWAVITDEYKVPSKKFKVLGNTDRHSIKKN
                     LIGALLFDSGETAEATRLKRTARRRYTRRKNRICYLQEIFSNEMAKVDDSFFHRLEESF
                     LVEEDKKHERHPIFGNIVDEVAYHEKYPTIYHLRKKLVDSTDKADLRLIYLALAHMIKF
                     RGHFLIEGDLNPDNSDVDKLFIQLVQTYNQLFEENPINASGVDAKAILSARLSKSRRLE
                     NLIAQLPGEKKNGLFGNLIALSLGLTPNFKSNFDLAEDAKLQLSKDTYDDDLDNLLAQI
                     GDQYADLFLAAKNLSDAILLSDILRVNTEITKAPLSASMIKRYDEHHQDLTLLKALVRQ
                     QLPEKYKEIFFDQSKNGYAGYIDGGASQEEFYKFIKPILEKMDGTEELLVKLNREDLLR
                     KQRTFDNGSIPHQIHLGELHAILRRQEDFYPFLKDNREKIEKILTFRIPYYVGPLARGN
                     SRFAWMTRKSEETITPWNFEEVVDKGASAQSFIERMTNFDKNLPNEKVLPKHSLLYEYF
                     TVYNELTKVKYVTEGMRKPAFLSGEQKKAIVDLLFKTNRKVTVKQLKEDYFKKIE"
     CDS             5857..5877
                     /codon_start=1
                     /product="nuclear localization signal of SV40 (simian virus
                     40) large T antigen"
                     /label=SV40 NLS
                     /translation="PKKKRKV"
     CDS             5886..5903
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /label=6xHis
                     /translation="HHHHHH"
     primer_bind     complement(5926..5943)
                     /label=BGH-rev
                     /note="Bovine growth hormone terminator, reverse primer. 
                     Also called BGH reverse"
     polyA_signal    5932..6156
                     /label=bGH poly(A) signal
                     /note="bovine growth hormone polyadenylation signal"
     primer_bind     complement(6227..6243)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(6227..6243)
                     /label=M13 Reverse
                     /note="In lacZ gene. Also called M13-rev"
     primer_bind     complement(6240..6262)
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     protein_bind    6251..6267
                     /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(6275..6281,6282..6299,6300..6305))
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    6320..6341
                     /label=CAP binding site
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding activates transcription in the presence 
                     of cAMP."
     primer_bind     complement(6458..6475)
                     /label=L4440
                     /note="L4440 vector, forward primer"
     rep_origin      complement(6629..7217)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(6709..6728)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     CDS             complement(join(7388..8179,8180..8248))
                     /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     8011..8030
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     promoter        complement(8249..8353)
                     /gene="bla"
                     /label=AmpR promoter
     primer_bind     complement(8432..8451)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
     enhancer        join(8623..8871,1..131)
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
ORIGIN
        1 atatgccaag tacgccccct attgacgtca atgacggtaa atggcccgcc tggcattatg
       61 cccagtacat gaccttatgg gactttccta cttggcagta catctacgta ttagtcatcg
      121 ctattaccat ggtgatgcgg ttttggcagt acatcaatgg gcgtggatag cggtttgact
      181 cacggggatt tccaagtctc caccccattg acgtcaatgg gagtttgttt tggcaccaaa
      241 atcaacggga ctttccaaaa tgtcgtaaca actccgcccc attgacgcaa atgggcggta
      301 ggcgtgtacg gtgggaggtc tatataagca gagctggttt agtgaaccgt cagatccgct
      361 agagatccgc ggccgctaat acgactcact atagggagag ccgccaccat gaaacggaca
      421 gccgacggaa gcgagttcga gtcaccaaag aagaagcgga aagtctctga agtcgagttt
      481 agccacgagt attggatgag gcacgcactg accctggcaa agcgagcatg ggatgaaaga
      541 gaagtccccg tgggcgccgt gctggtgcac aacaatagag tgatcggaga gggatggaac
      601 aggccaatcg gccgccacga ccctaccgca cacgcagaga tcatggcact gaggcaggga
      661 ggcctggtca tgcagaatta ccgcctgatc gatgccaccc tgtatgtgac actggagcca
      721 tgcgtgatgt gcgcaggagc aatgatccac agcaggatcg gaagagtggt gttcggagca
      781 cgggacgcca agaccggcgc agcaggctcc ctgatggatg tgctgcacca ccccggcatg
      841 aaccaccggg tggagatcac agagggaatc ctggcagacg agtgcgccgc cctgctgagc
      901 gatttcttta gaatgcggag acaggagatc aaggcccaga agaaggcaca gagctccacc
      961 gactctggag gatctagcgg aggatcctct ggaagcgaga caccaggcac aagcgagtcc
     1021 gccacaccag agagctccgg cggctcctcc ggaggatcct ctgaggtgga gttttcccac
     1081 gagtactgga tgagacatgc cctgaccctg gccaagaggg cacgggatga gagggaggtg
     1141 cctgtgggag ccgtgctggt gctgaacaat agagtgatcg gcgagggctg gaacagagcc
     1201 atcggcctgc acgacccaac agcccatgcc gaaattatgg ccctgagaca gggcggcctg
     1261 gtcatgcaga actacagact gattgacgcc accctgtacg tgacattcga gccttgcgtg
     1321 atgtgcgccg gcgccatgat ccactctagg atcggccgcg tggtgtttgg cgtgaggaac
     1381 tcaaaaagag gcgccgcagg ctccctgatg aacgtgctga actaccccgg catgaatcac
     1441 cgcgtcgaaa ttaccgaggg aatcctggca gatgaatgtg ccgccctgct gtgcgatttc
     1501 tatcggatgc ctagacaggt gttcaatgct cagaagaagg cccagagctc catcaactcc
     1561 ggaggatcta gcggaggctc ctctggctct gagacacctg gcacaagcga gagcgcaaca
     1621 cctgaaagca gcgggggcag cagcgggggg tcaaacatca tgaacttttt caagaccgag
     1681 attaccctgg ccaacggcga gatccggaag cggcctctga tcgagacaaa cggcgaaacc
     1741 ggggagatcg tgtgggataa gggccgggat tttgccaccg tgcggaaagt gctgagcatg
     1801 ccccaagtga atatcgtgaa aaagaccgag gtgcagacag gcggcttcag caaagagtct
     1861 atcctgccca agaggaacag cgataagctg atcgccagaa agaaggactg ggaccctaag
     1921 aagtacggcg gcttcgacag ccccaccgtg gcctattctg tgctggtggt ggccaaagtg
     1981 gaaaagggca agtccaagaa actgaagagt gtgaaagagc tgctggggat caccatcatg
     2041 gaaagaagca gcttcgagaa gaatcccatc gactttctgg aagccaaggg ctacaaagaa
     2101 gtgaaaaagg acctgatcat caagctgcct aagtactccc tgttcgagct ggaaaacggc
     2161 cggaagagaa tgctggcctc tgccggcgaa ctgcagaagg gaaacgaact ggccctgccc
     2221 tccaaatatg tgaacttcct gtacctggcc agccactatg agaagctgaa gggctccccc
     2281 gaggataatg agcagaaaca gctgtttgtg gaacagcaca agcactacct ggacgagatc
     2341 atcgagcaga tcagcgagtt ctccaagaga gtgatcctgg ccgacgctaa tctggacaaa
     2401 gtgctgtccg cctacaacaa gcaccgggat aagcccatca gagagcaggc cgagaatatc
     2461 atccacctgt ttaccctgac caatctggga gcccctgccg ccttcaagta ctttgacacc
     2521 accatcgacc ggaagaggta caccagcacc aaagaggtgc tggacgccac cctgatccac
     2581 cagagcatca ccggcctgta cgagacacgg atcgacctgt ctcagctggg aggcgacggc
     2641 ggatcaggag gctctggcgg ttcaggtgga tcaggcggta gcggaggttc aggtggtgac
     2701 aagaagtaca gcatcggcct ggccatcggc accaactctg tgggctgggc cgtgatcacc
     2761 gacgagtaca aggtgcccag caagaaattc aaggtgctgg gcaacaccga ccggcacagc
     2821 atcaagaaga acctgatcgg agccctgctg ttcgacagcg gcgaaacagc cgaggccacc
     2881 cggctgaaga gaaccgccag aagaagatac accagacgga agaaccggat ctgctatctg
     2941 caagagatct tcagcaacga gatggccaag gtggacgaca gcttcttcca cagactggaa
     3001 gagtccttcc tggtggaaga ggataagaag cacgagcggc accccatctt cggcaacatc
     3061 gtggacgagg tggcctacca cgagaagtac cccaccatct accacctgag aaagaaactg
     3121 gtggacagca ccgacaaggc cgacctgcgg ctgatctatc tggccctggc ccacatgatc
     3181 aagttccggg gccacttcct gatcgagggc gacctgaacc ccgacaacag cgacgtggac
     3241 aagctgttca tccagctggt gcagacctac aaccagctgt tcgaggaaaa ccccatcaac
     3301 gccagcggcg tggacgccaa ggccatcctg tctgccagac tgagcaagag cagacggctg
     3361 gaaaatctga tcgcccagct gcccggcgag aagaagaatg gcctgttcgg aaacctgatt
     3421 gccctgagcc tgggcctgac ccccaacttc aagagcaact tcgacctggc cgaggatgcc
     3481 aaactgcagc tgagcaagga cacctacgac gacgacctgg acaacctgct ggcccagatc
     3541 ggcgaccagt acgccgacct gtttctggcc gccaagaacc tgtccgacgc catcctgctg
     3601 agcgacatcc tgagagtgaa caccgagatc accaaggccc ccctgagcgc ctctatgatc
     3661 aagagatacg acgagcacca ccaggacctg accctgctga aagctctcgt gcggcagcag
     3721 ctgcctgaga agtacaaaga gattttcttc gaccagagca agaacggcta cgccggctac
     3781 attgacggcg gagccagcca ggaagagttc tacaagttca tcaagcccat cctggaaaag
     3841 atggacggca ccgaggaact gctcgtgaag ctgaacagag aggacctgct gcggaagcag
     3901 cggaccttcg acaacggcag catcccccac cagatccacc tgggagagct gcacgccatt
     3961 ctgcggcggc aggaagattt ttacccattc ctgaaggaca accgggaaaa gatcgagaag
     4021 atcctgacct tccgcatccc ctactacgtg ggccctctgg ccaggggaaa cagcagattc
     4081 gcctggatga ccagaaagag cgaggaaacc atcaccccct ggaacttcga ggaagtggtg
     4141 gacaagggcg cttccgccca gagcttcatc gagcggatga ccaacttcga taagaacctg
     4201 cccaacgaga aggtgctgcc caagcacagc ctgctgtacg agtacttcac cgtgtataac
     4261 gagctgacca aagtgaaata cgtgaccgag ggaatgagaa agcccgcctt cctgagcggc
     4321 gagcagaaaa aggccatcgt ggacctgctg ttcaagacca accggaaagt gaccgtgaag
     4381 cagctgaaag aggactactt caagaaaatc gagtgcttcg actccgtgga aatctccggc
     4441 gtggaagatc ggttcaacgc ctccctgggc acataccacg atctgctgaa aattatcaag
     4501 gacaaggact tcctggacaa tgaggaaaac gaggacattc tggaagatat cgtgctgacc
     4561 ctgacactgt ttgaggacag agagatgatc gaggaacggc tgaaaaccta tgcccacctg
     4621 ttcgacgaca aagtgatgaa gcagctgaag cggcggagat acaccggctg gggcaggctg
     4681 agccggaagc tgatcaacgg catccgggac aagcagtccg gcaagacaat cctggatttc
     4741 ctgaagtccg acggcttcgc caacagaaac ttcatgcagc tgatccacga cgacagcctg
     4801 acctttaaag aggacatcca gaaagcccag gtgtccggcc agggcgatag cctgcacgag
     4861 cacattgcca atctggccgg cagccccgcc attaagaagg gcatcctgca gacagtgaag
     4921 gtggtggacg agctcgtgaa agtgatgggc cggcacaagc ccgagaacat cgtgatcgaa
     4981 atggccagag agaaccagac cacccagaag ggacagaaga acagccgcga gagaatgaag
     5041 cggatcgaag agggcatcaa agagctgggc agccagatcc tgaaagaaca ccccgtggaa
     5101 aacacccagc tgcagaacga gaagctgtac ctgtactacc tgcagaatgg gcgggatatg
     5161 tacgtggacc aggaactgga catcaaccgg ctgtccgact acgatgtgga ccatatcgtg
     5221 cctcagagct ttctgaagga cgactccatc gacaacaagg tgctgaccag aagcgacaag
     5281 aaccggggca agagcgacaa cgtgccctcc gaagaggtcg tgaagaagat gaagaactac
     5341 tggcggcagc tgctgaacgc caagctgatt acccagagaa agttcgacaa tctgaccaag
     5401 gccgagagag gcggcctgag cgaactggat aaggccggct tcatcaagag acagctggtg
     5461 gaaacccggc agatcacaaa gcacgtggca cagatcctgg actcccggat gaacactaag
     5521 tacgacgaga atgacaagct gatccgggaa gtgaaagtga tcaccctgaa gtccaagctg
     5581 gtgtccgatt tccggaagga tttccagttt tacaaagtgc gcgagatcaa caactaccac
     5641 cacgcccacg acgcctacct gaacgccgtc gtgggaaccg ccctgatcaa aaagtaccct
     5701 aagctggaaa gcgagttcgt gtacggcgac tacaaggtgt acgacgtgcg gaagatgatc
     5761 gccaagagcg agcaggaaat cggcaaggct accgccaagt acttcttcta cagctctggc
     5821 ggctcaaaaa gaaccgccga cggcagcgaa ttcgagccca agaagaagag gaaagtctaa
     5881 ccggtcatca tcaccatcac cattgagttt aaacccgctg atcagcctcg actgtgcctt
     5941 ctagttgcca gccatctgtt gtttgcccct cccccgtgcc ttccttgacc ctggaaggtg
     6001 ccactcccac tgtcctttcc taataaaatg aggaaattgc atcgcattgt ctgagtaggt
     6061 gtcattctat tctggggggt ggggtggggc aggacagcaa gggggaggat tgggaagaca
     6121 atagcaggca tgctggggat gcggtgggct ctatggcttc tgaggcggaa agaaccagct
     6181 ggggctcgat accgtcgacc tctagctaga gcttggcgta atcatggtca tagctgtttc
     6241 ctgtgtgaaa ttgttatccg ctcacaattc cacacaacat acgagccgga agcataaagt
     6301 gtaaagccta gggtgcctaa tgagtgagct aactcacatt aattgcgttg cgctcactgc
     6361 ccgctttcca gtcgggaaac ctgtcgtgcc agctgcatta atgaatcggc caacgcgcgg
     6421 ggagaggcgg tttgcgtatt gggcgctctt ccgcttcctc gctcactgac tcgctgcgct
     6481 cggtcgttcg gctgcggcga gcggtatcag ctcactcaaa ggcggtaata cggttatcca
     6541 cagaatcagg ggataacgca ggaaagaaca tgtgagcaaa aggccagcaa aaggccagga
     6601 accgtaaaaa ggccgcgttg ctggcgtttt tccataggct ccgcccccct gacgagcatc
     6661 acaaaaatcg acgctcaagt cagaggtggc gaaacccgac aggactataa agataccagg
     6721 cgtttccccc tggaagctcc ctcgtgcgct ctcctgttcc gaccctgccg cttaccggat
     6781 acctgtccgc ctttctccct tcgggaagcg tggcgctttc tcatagctca cgctgtaggt
     6841 atctcagttc ggtgtaggtc gttcgctcca agctgggctg tgtgcacgaa ccccccgttc
     6901 agcccgaccg ctgcgcctta tccggtaact atcgtcttga gtccaacccg gtaagacacg
     6961 acttatcgcc actggcagca gccactggta acaggattag cagagcgagg tatgtaggcg
     7021 gtgctacaga gttcttgaag tggtggccta actacggcta cactagaaga acagtatttg
     7081 gtatctgcgc tctgctgaag ccagttacct tcggaaaaag agttggtagc tcttgatccg
     7141 gcaaacaaac caccgctggt agcggtggtt tttttgtttg caagcagcag attacgcgca
     7201 gaaaaaaagg atctcaagaa gatcctttga tcttttctac ggggtctgac actcagtgga
     7261 acgaaaactc acgttaaggg attttggtca tgagattatc aaaaaggatc ttcacctaga
     7321 tccttttaaa ttaaaaatga agttttaaat caatctaaag tatatatgag taaacttggt
     7381 ctgacagtta ccaatgctta atcagtgagg cacctatctc agcgatctgt ctatttcgtt
     7441 catccatagt tgcctgactc cccgtcgtgt agataactac gatacgggag ggcttaccat
     7501 ctggccccag tgctgcaatg ataccgcgag acccacgctc accggctcca gatttatcag
     7561 caataaacca gccagccgga agggccgagc gcagaagtgg tcctgcaact ttatccgcct
     7621 ccatccagtc tattaattgt tgccgggaag ctagagtaag tagttcgcca gttaatagtt
     7681 tgcgcaacgt tgttgccatt gctacaggca tcgtggtgtc acgctcgtcg tttggtatgg
     7741 cttcattcag ctccggttcc caacgatcaa ggcgagttac atgatccccc atgttgtgca
     7801 aaaaagcggt tagctccttc ggtcctccga tcgttgtcag aagtaagttg gccgcagtgt
     7861 tatcactcat ggttatggca gcactgcata attctcttac tgtcatgcca tccgtaagat
     7921 gcttttctgt gactggtgag tactcaacca agtcattctg agaatagtgt atgcggcgac
     7981 cgagttgctc ttgcccggcg tcaatacggg ataataccgc gccacatagc agaactttaa
     8041 aagtgctcat cattggaaaa cgttcttcgg ggcgaaaact ctcaaggatc ttaccgctgt
     8101 tgagatccag ttcgatgtaa cccactcgtg cacccaactg atcttcagca tcttttactt
     8161 tcaccagcgt ttctgggtga gcaaaaacag gaaggcaaaa tgccgcaaaa aagggaataa
     8221 gggcgacacg gaaatgttga atactcatac tcttcctttt tcaatattat tgaagcattt
     8281 atcagggtta ttgtctcatg agcggataca tatttgaatg tatttagaaa aataaacaaa
     8341 taggggttcc gcgcacattt ccccgaaaag tgccacctga cgtcgacgga tcgggagatc
     8401 gatctcccga tcccctaggg tcgactctca gtacaatctg ctctgatgcc gcatagttaa
     8461 gccagtatct gctccctgct tgtgtgttgg aggtcgctga gtagtgcgcg agcaaaattt
     8521 aagctacaac aaggcaaggc ttgaccgaca attgcatgaa gaatctgctt agggttaggc
     8581 gttttgcgct gcttcgcgat gtacgggcca gatatacgcg ttgacattga ttattgacta
     8641 gttattaata gtaatcaatt acggggtcat tagttcatag cccatatatg gagttccgcg
     8701 ttacataact tacggtaaat ggcccgcctg gctgaccgcc caacgacccc cgcccattga
     8761 cgtcaataat gacgtatgtt cccatagtaa cgccaatagg gactttccat tgacgtcaat
     8821 gggtggagta tttacggtaa actgcccact tggcagtaca tcaagtgtat c
//
