LOCUS       sequence-203505-        4631 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  R4 plasmid. Contains PBAD-EGFP-151TGA and is part of the CAMERA 
            system for rewritable multi-event analog recording in bacteria.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 4631)
  AUTHORS   Tang W, Liu DR
  TITLE     Rewritable multi-event analog recording in bacterial and mammalian 
            cells.
  JOURNAL   Science. 2018 Feb 15. pii: science.aap8992. doi: 
            10.1126/science.aap8992.
  PUBMED    29449507
REFERENCE   2  (bases 1 to 4631)
  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: "Science. 
            2018 Feb 15. pii: science.aap8992. doi: 10.1126/science.aap8992."
COMMENT     Sequence Label: pWT018e
FEATURES             Location/Qualifiers
     source          1..4631
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     primer_bind     complement(10..28)
                     /label=pBRforEco
                     /note="pBR322 vectors, upsteam of EcoRI site, forward 
                     primer"
     promoter        96..200
                     /gene="bla"
                     /label=AmpR promoter
     CDS             201..857
                     /codon_start=1
                     /gene="cat"
                     /product="chloramphenicol acetyltransferase"
                     /label=CmR
                     /note="confers resistance to chloramphenicol"
                     /translation="MEKKITGYTTVDISQWHRKEHFEAFQSVAQCTYNQTVQLDITAFL
                     KTVKKNKHKFYPAFIHILARLMNAHPEFRMAMKDGELVIWDSVHPCYTVFHEQTETFSS
                     LWSEYHDDFRQFLHIYSQDVACYGENLAYFPKGFIENMFFVSANPWVSFTSFDLNVANM
                     DNFFAPVFTMGKYYTQGDKVLMPLAIQVHHAVCDGFHVGRMLNELQQYCDEWQGGA"
     primer_bind     complement(267..286)
                     /label=CAT-R
                     /note="Chloramphenicol resistance gene, reverse primer"
     CDS             876..1688
                     /codon_start=1
                     /gene="aph(3')-Ia"
                     /product="aminoglycoside phosphotransferase"
                     /label=KanR
                     /note="confers resistance to kanamycin in bacteria or G418 
                     (Geneticin(R)) in eukaryotes"
                     /translation="SHIQRETSCSRPRLNSNMDADLYGYKWARDNVGQSGATIYRLYGK
                     PDAPELFLKHGKGSVANDVTDEMVRLNWLTEFMPLPTIKHFIRTPDDAWLLTTAIPGKT
                     AFQVLEEYPDSGENIVDALAVFLRRLHSIPVCNCPFNSDRVFRLAQAQSRMNNGLVDAS
                     DFDDERNGWPVEQVWKEMHKLLPFSPDSVVTHGDFSLDNLIFDEGKLIGCIAVGRVGIA
                     DRYQDLAILWNCLGEFSPSLQKRLFQKYGIDNPDMNKLQFHLMLDEFF"
     primer_bind     complement(946..965)
                     /label=Kan-R
                     /note="Kanamycin resistance gene, reverse primer"
     rep_origin      1859..2447
                     /direction=RIGHT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     2348..2367
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     terminator      2623..2668
                     /label=rrnB T1 terminator
                     /note="transcription terminator T1 from the E. coli rrnB 
                     gene"
     CDS             complement(2683..3561)
                     /codon_start=1
                     /gene="araC"
                     /product="L-arabinose regulatory protein"
                     /label=araC
                     /translation="MAEAQNDPLLPGYSFNAHLVAGLTPIEANGYLDFFIDRPLGMKGY
                     ILNLTIRGQGVVKNQGREFVCRPGDILLFPPGEIHHYGRHPEAREWYHQWVYFRPRAYW
                     HEWLNWPSIFANTGFFRPDEAHQPHFSDLFGQIINAGQGEGRYSELLAINLLEQLLLRR
                     MEAINESLHPPMDNRVREACQYISDHLADSNFDIASVAQHVCLSPSRLSHLFRQQLGIS
                     VLSWREDQRISQAKLLLSTTRMPIATVGRNVGFDDQLYFSRVFKKCTGASPSEFRAGCE
                     EKVNDVAVKLS"
     promoter        3588..3872
                     /gene="araBAD"
                     /label=araBAD promoter
                     /note="promoter of the L-arabinose operon of E. coli; the 
                     araC regulatory gene is transcribed in the opposite 
                     direction (Guzman et al., 1995)"
     primer_bind     3795..3814
                     /label=pBAD Forward
                     /note="For vectors with E. coli araBAD promoter, forward 
                     primer"
     CDS             join(3912..3914,3915..3917,3918..4631)
                     /codon_start=1
                     /product="the original enhanced GFP (Yang et al., 1996)"
                     /label=EGFP
                     /note="mammalian codon-optimized"
                     /translation="MVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTL
                     KFICT*GKLPVPWPTLVTTLTYGVQCFSRYPDHMKQHDFFKSAMPEGYVQERTIFFKDD
                     GNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNGIK
                     VNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLL
                     EFVTAAGITLGMDELYK"
     primer_bind     complement(3957..3978)
                     /label=EGFP-N
                     /note="EGFP, reverse primer"
     primer_bind     complement(4218..4237)
                     /label=EXFP-R
                     /note="For distinguishing EGFP variants, reverse primer"
     primer_bind     4565..4586
                     /label=EGFP-C
                     /note="EGFP, forward primer"
ORIGIN
        1 gacgaaaggg cctcgtgata cgcctatttt tataggttaa tgtcatgata ataatggttt
       61 cttagacgtc aggtggcact tttcggggaa atgtgcgcgg aacccctatt tgtttatttt
      121 tctaaataca ttcaaatatg tatccgctca tgagacaata accctgataa atgcttcaat
      181 aatattgaaa aaggaagagt atggagaaaa aaatcactgg atataccacc gttgatatat
      241 cccaatggca tcgtaaagaa cattttgagg catttcagtc agttgctcaa tgtacctata
      301 accagaccgt tcagctggat attacggcct ttttaaagac cgtaaagaaa aataagcaca
      361 agttttatcc ggcctttatt cacattcttg cccgcctgat gaatgctcat ccggagttcc
      421 gtatggcaat gaaagacggt gagctggtga tatgggatag tgttcaccct tgttacaccg
      481 ttttccatga gcaaactgaa acgttttcat cgctctggag tgaataccac gacgatttcc
      541 ggcagtttct acacatatat tcgcaagatg tggcgtgtta cggtgaaaac ctggcctatt
      601 tccctaaagg gtttattgag aatatgtttt tcgtctcagc caatccctgg gtgagtttca
      661 ccagttttga tttaaacgtg gccaatatgg acaacttctt cgcccccgtt ttcactatgg
      721 gcaaatatta tacgcaaggc gacaaggtgc tgatgccgct ggcgattcag gttcatcatg
      781 ccgtttgtga tggcttccat gtcggcagaa tgcttaatga attacaacag tactgcgatg
      841 agtggcaggg cggggcgggc agcggttctg gctccagcca tattcaacgg gaaacgtctt
      901 gctcgaggcc gcgattaaat tccaacatgg atgctgattt atatgggtat aaatgggctc
      961 gcgataatgt cgggcaatca ggtgcgacaa tctatcgatt gtatgggaag cccgatgcgc
     1021 cagagttgtt tctgaaacat ggcaaaggta gcgttgccaa tgatgttaca gatgagatgg
     1081 tcagactaaa ctggctgacg gaatttatgc ctcttccgac catcaagcat tttatccgta
     1141 ctcctgatga tgcatggtta ctcaccactg cgatccccgg gaaaacagca ttccaggtat
     1201 tagaagaata tcctgattca ggtgaaaata ttgttgatgc gctggcagtg ttcctgcgcc
     1261 ggttgcattc gattcctgtt tgtaattgtc cttttaacag cgatcgcgta tttcgtctcg
     1321 ctcaggcgca atcacgaatg aataacggtt tggttgatgc gagtgatttt gatgacgagc
     1381 gtaatggctg gcctgttgaa caagtctgga aagaaatgca taagcttttg ccattctcac
     1441 cggattcagt cgtcactcat ggtgatttct cacttgataa ccttattttt gacgagggga
     1501 aattaatagg ttgtattgct gttggacgag tcggaatcgc agaccgatac caggatcttg
     1561 ccatcctatg gaactgcctc ggtgagtttt ctccttcatt acagaaacgg ctttttcaaa
     1621 aatatggtat tgataatcct gatatgaata aattgcagtt tcatttgatg ctcgatgagt
     1681 ttttctaact gtcagaccaa gtttactcat atatacttta gattgattta aaacttcatt
     1741 tttaatttaa aaggatctag gtgaagatcc tttttgataa tctcatgacc aaaatccctt
     1801 aacgtgagtt ttcgttccac tgagcgtcag accccgtaga aaagatcaaa ggatcttctt
     1861 gagatccttt ttttctgcgc gtaatctgct gcttgcaaac aaaaaaacca ccgctaccag
     1921 cggtggtttg tttgccggat caagagctac caactctttt tccgaaggta actggcttca
     1981 gcagagcgca gataccaaat actgttcttc tagtgtagcc gtagttaggc caccacttca
     2041 agaactctgt agcaccgcct acatacctcg ctctgctaat cctgttacca gtggctgctg
     2101 ccagtggcga taagtcgtgt cttaccgggt tggactcaag acgatagtta ccggataagg
     2161 cgcagcggtc gggctgaacg gggggttcgt gcacacagcc cagcttggag cgaacgacct
     2221 acaccgaact gagataccta cagcgtgagc tatgagaaag cgccacgctt cccgaaggga
     2281 gaaaggcgga caggtatccg gtaagcggca gggtcggaac aggagagcgc acgagggagc
     2341 ttccaggggg aaacgcctgg tatctttata gtcctgtcgg gtttcgccac ctctgacttg
     2401 agcgtcgatt tttgtgatgc tcgtcagggg ggcggagcct atggaaaaac gccagcaacg
     2461 cggccttttt acggttcctg gccttttgct ggccttttgc tcacatgttc tttcctgcgt
     2521 tatcccctga ttctgtggat aaccgtatta ccgcctttga gtgagctgat accgctcgcc
     2581 gcagccgaac gaccgagcgc agcgagtaag aggacatccg gtcaaataaa acgaaaggct
     2641 cagtcgaaag actgggcctt tcgttttaga cttagggacc ctttatgaca acttgacggc
     2701 tacatcattc actttttctt cacaaccggc acggaactcg ctcgggctgg ccccggtgca
     2761 ttttttaaat acccgcgaga aatagagttg atcgtcaaaa ccaacattgc gaccgacggt
     2821 ggcgataggc atccgggtgg tgctcaaaag cagcttcgcc tggctgatac gttggtcctc
     2881 gcgccagctt aagacgctaa tccctaactg ctggcggaaa agatgtgaca gacgcgacgg
     2941 cgacaagcaa acatgctgtg cgacgctggc gatatcaaaa ttgctgtctg ccaggtgatc
     3001 gctgatgtac tgacaagcct cgcgtacccg attatccatc ggtggatgga gcgactcgtt
     3061 aatcgcttcc atgcgccgca gtaacaattg ctcaagcaga tttatcgcca gcagctccga
     3121 atagcgccct tccccttgcc cggcgttaat gatttgccca aacaggtcgc tgaaatgcgg
     3181 ctggtgcgct tcatccgggc gaaagaaccc cgtattggca aatattgacg gccagttaag
     3241 ccattcatgc cagtaggcgc gcggacgaaa gtaaacccac tggtgatacc attcgcgagc
     3301 ctccggatga cgaccgtagt gatgaatctc tcctggcggg aacagcaaaa tatcacccgg
     3361 tcggcaaaca aattctcgtc cctgattttt caccaccccc tgaccgcgaa tggtgagatt
     3421 gagaatataa cctttcattc ccagcggtcg gtcgataaaa aaatcgagat aaccgttggc
     3481 ctcaatcggc gttaaacccg ccaccagatg ggcattaaac gagtatcccg gcagcagggg
     3541 atcattttgc gcttcagcca tacttttcat actcccacca ttcagagaag aaaccaattg
     3601 tccatattgc atcagacatt gccgtcactg cgtcttttac tggctcttct cgctaaccca
     3661 accggtaacc ccgcttatta aaagcattct gtaacaaagc gggaccaaag ccatgacaaa
     3721 aacgcgtaac aaaagtgtct ataatcacgg cagaaaagtc cacattgatt atttgcacgg
     3781 cgtcacactt tgctatgcca tagcattttt atccataaga ttagcggatc ctacctgacg
     3841 ctttttatcg caactctcta ctgtttctcc atacccgttt tacctgcagg tgcagtaagg
     3901 aggaaaaaaa aatggtgagc aagggcgagg agctgttcac cggggtggtg cccatcctgg
     3961 tcgagctgga cggcgacgta aacggccaca agttcagcgt gtccggcgag ggcgagggcg
     4021 atgccaccta cggcaagctg accctgaagt tcatctgcac ctgaggcaag ctgcccgtgc
     4081 cctggcccac cctcgtgacc accctgacct acggcgtgca gtgcttcagc cgctaccccg
     4141 accacatgaa gcagcacgac ttcttcaagt ccgccatgcc cgaaggctac gtccaggagc
     4201 gcaccatctt cttcaaggac gacggcaact acaagacccg cgccgaggtg aagttcgagg
     4261 gcgacaccct ggtgaaccgc atcgagctga agggcatcga cttcaaggag gacggcaaca
     4321 tcctggggca caagctggag tacaactaca acagccacaa cgtctatatc atggccgaca
     4381 agcagaagaa cggcatcaag gtgaacttca agatccgcca caacatcgag gacggcagcg
     4441 tgcagctcgc cgaccactac cagcagaaca cccccatcgg cgacggcccc gtgctgctgc
     4501 ccgacaacca ctacctgagc acccagtccg ccctgagcaa agaccccaac gagaagcgcg
     4561 atcacatggt cctgctggag ttcgtgaccg ccgccgggat cactctcggc atggacgagc
     4621 tgtacaagta a
//
