LOCUS       sequence-333966-        2980 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Expresses GFP in BL21(DE3) E. coli. Positive control for expression 
            experiments. Contains ColE1 origin of replication..
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 2980)
  AUTHORS   MacDonald IC, Seamons TR, Emmons JC, Javdan SB, Deans TL
  TITLE     Enhanced regulation of prokaryotic gene expression by a eukaryotic 
            transcriptional activator.
  JOURNAL   Nat Commun. 2021 Jul 5;12(1):4109. doi: 10.1038/s41467-021-24434-9.
  PUBMED    34226549
REFERENCE   2  (bases 1 to 2980)
  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 
            Commun."; date: "2021-07-5"; volume: "12(1):4109. doi"; pages: " 
            10.1038/s41467-021-24434-9"
COMMENT     Sequence Label: T7-LacO-GFP_ColE1
FEATURES             Location/Qualifiers
     source          1..2980
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     CDS             complement(join(1..792,793..861))
                     /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     624..643
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     promoter        complement(862..966)
                     /gene="bla"
                     /label=AmpR promoter
     primer_bind     988..1007
                     /label=T7
                     /note="T7 promoter, forward primer"
     promoter        988..1006
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     protein_bind    1007..1031
                     /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)."
     RBS             1047..1067
                     /note="efficient ribosome binding site from bacteriophage 
                     T7 gene 10 (Olins and Rangwala, 1989)"
     CDS             join(1076..1078,1079..1081,1082..1792)
                     /codon_start=1
                     /product="enhanced GFP"
                     /label=EGFP
                     /translation="MVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTL
                     KFICTTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKQHDFFKSAMPEGYVQERTIFFKDD
                     GNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNGIK
                     VNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLL
                     EFVTAAGITLGMDELYK"
     CDS             join(1076..1078,1079..1081,1082..1792)
                     /codon_start=1
                     /product="the original enhanced GFP (Yang et al., 1996)"
                     /label=EGFP
                     /note="mammalian codon-optimized"
                     /translation="MVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTL
                     KFICTTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKQHDFFKSAMPEGYVQERTIFFKDD
                     GNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNGIK
                     VNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLL
                     EFVTAAGITLGMDELYK"
     primer_bind     complement(1121..1142)
                     /label=EGFP-N
                     /note="EGFP, reverse primer"
     primer_bind     complement(1382..1401)
                     /label=EXFP-R
                     /note="For distinguishing EGFP variants, reverse primer"
     primer_bind     1729..1750
                     /label=EGFP-C
                     /note="EGFP, forward primer"
     terminator      1865..1912
                     /label=T7 terminator
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
     terminator      1948..2034
                     /gene="Escherichia coli rrnB"
                     /label=rrnB T1 terminator
                     /note="transcription terminator T1 from the E. coli rrnB 
                     gene"
     rep_origin      complement(2199..2787)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(2279..2298)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     terminator      complement(2875..2969)
                     /label=lambda t0 terminator
                     /note="transcription terminator from phage lambda"
ORIGIN
        1 ttaccaatgc ttaatcagtg aggcacctat ctcagcgatc tgtctatttc gttcatccat
       61 agttgcctga ctccccgtcg tgtagataac tacgatacgg gagggcttac catctggccc
      121 cagtgctgca atgataccgc gagacccacg ctcaccggct ccagatttat cagcaataaa
      181 ccagccagcc ggaagggccg agcgcagaag tggtcctgca actttatccg cctccatcca
      241 gtctattaat tgttgccggg aagctagagt aagtagttcg ccagttaata gtttgcgcaa
      301 cgttgttgcc attgctacag gcatcgtggt gtcacgctcg tcgtttggta tggcttcatt
      361 cagctccggt tcccaacgat caaggcgagt tacatgatcc cccatgttgt gcaaaaaagc
      421 ggttagctcc ttcggtcctc cgatcgttgt cagaagtaag ttggccgcag tgttatcact
      481 catggttatg gcagcactgc ataattctct tactgtcatg ccatccgtaa gatgcttttc
      541 tgtgactggt gagtactcaa ccaagtcatt ctgagaatag tgtatgcggc gaccgagttg
      601 ctcttgcccg gcgtcaatac gggataatac cgcgccacat agcagaactt taaaagtgct
      661 catcattgga aaacgttctt cggggcgaaa actctcaagg atcttaccgc tgttgagatc
      721 cagttcgatg taacccactc gtgcacccaa ctgatcttca gcatctttta ctttcaccag
      781 cgtttctggg tgagcaaaaa caggaaggca aaatgccgca aaaaagggaa taagggcgac
      841 acggaaatgt tgaatactca tactcttcct ttttcaatat tattgaagca tttatcaggg
      901 ttattgtctc atgagcggat acatatttga atgtatttag aaaaataaac aaataggggt
      961 tccgcgcgct agccgatccc gcgaaattaa tacgactcac tataggggaa ttgtgagcgg
     1021 ataacaattc ccctctagaa ataattttgt ttaactttaa gaaggaggag tacatatggt
     1081 gagcaagggc gaggagctgt tcaccggggt ggtgcccatc ctggtcgagc tggacggcga
     1141 cgtaaacggc cacaagttca gcgtgtccgg cgagggcgag ggcgatgcca cctacggcaa
     1201 gctgaccctg aagttcatct gcaccaccgg caagctgccc gtgccctggc ccaccctcgt
     1261 gaccaccctg acctacggcg tgcagtgctt cagccgctac cccgaccaca tgaagcagca
     1321 cgacttcttc aagtccgcca tgcccgaagg ctacgtccag gagcgcacca tcttcttcaa
     1381 ggacgacggc aactacaaga cccgcgccga ggtgaagttc gagggcgaca ccctggtgaa
     1441 ccgcatcgag ctgaagggca tcgacttcaa ggaggacggc aacatcctgg ggcacaagct
     1501 ggagtacaac tacaacagcc acaacgtcta tatcatggcc gacaagcaga agaacggcat
     1561 caaggtgaac ttcaagatcc gccacaacat cgaggacggc agcgtgcagc tcgccgacca
     1621 ctaccagcag aacaccccca tcggcgacgg ccccgtgctg ctgcccgaca accactacct
     1681 gagcacccag tccgccctga gcaaagaccc caacgagaag cgcgatcaca tggtcctgct
     1741 ggagttcgtg accgccgccg ggatcactct cggcatggac gagctgtaca agtccggact
     1801 cagatctcga gcggcgaacg acgaaaacta ctctgaaaac tacgcggacg cgtcttagaa
     1861 gcttctagca taaccccttg gggcctctaa acgggtcttg aggggttttt tgcccggggg
     1921 atcccatggt acgcgtgcta gaggcatcaa ataaaacgaa aggctcagtc gaaagactgg
     1981 gcctttcgtt ttatctgttg tttgtcggtg aacgctctcc tgagtaggac aaatccgccg
     2041 ccctagacct agggcgttcg gctgcggcga gcggtatcag ctcactcaaa ggcggtaata
     2101 cggttatcca cagaatcagg ggataacgca ggaaagaaca tgtgagcaaa aggccagcaa
     2161 aaggccagga accgtaaaaa ggccgcgttg ctggcgtttt tccataggct ccgcccccct
     2221 gacgagcatc acaaaaatcg acgctcaagt cagaggtggc gaaacccgac aggactataa
     2281 agataccagg cgtttccccc tggaagctcc ctcgtgcgct ctcctgttcc gaccctgccg
     2341 cttaccggat acctgtccgc ctttctccct tcgggaagcg tggcgctttc tcaatgctca
     2401 cgctgtaggt atctcagttc ggtgtaggtc gttcgctcca agctgggctg tgtgcacgaa
     2461 ccccccgttc agcccgaccg ctgcgcctta tccggtaact atcgtcttga gtccaacccg
     2521 gtaagacacg acttatcgcc actggcagca gccactggta acaggattag cagagcgagg
     2581 tatgtaggcg gtgctacaga gttcttgaag tggtggccta actacggcta cactagaagg
     2641 acagtatttg gtatctgcgc tctgctgaag ccagttacct tcggaaaaag agttggtagc
     2701 tcttgatccg gcaaacaaac caccgctggt agcggtggtt tttttgtttg caagcagcag
     2761 attacgcgca gaaaaaaagg atctcaagaa gatcctttga tcttttctac ggggtctgac
     2821 gctcagtgga acgaaaactc acgttaaggg attttggtca tgactagtgc ttggattctc
     2881 accaataaaa aacgcccggc ggcaaccgag cgttctgaac aaatccagat ggagttctga
     2941 ggtcattact ggatctatca acaggagtcc aagcgagctc
//
