LOCUS       sequence-308797-        6465 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  for eukaryotic expression and purification of CEACAM6-His6.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 6465)
  AUTHORS   Sheikh A, Tumala B, Vickers TJ, Alvarado D, Ciorba MA, Bhuiyan TR, 
            Qadri F, Singer BB, Fleckenstein JM
  TITLE     CEACAMs serve as toxin-stimulated receptors for enterotoxigenic 
            Escherichia coli.
  JOURNAL   Proc Natl Acad Sci U S A. 2020 Nov 17;117(46):29055-29062. doi: 
            10.1073/pnas.2012480117. Epub 2020 Nov 2.
  PUBMED    33139570
REFERENCE   2  (bases 1 to 6465)
  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: 
            "10.1073/pnas.2012480117"; journalName: "Proc Natl Acad Sci U S A"; 
            date: "2020-11-17- 17"; volume: "117"; issue: "46"; pages: 
            "29055-29062"
COMMENT     Sequence Label: pcDNA3.4_CEACAM6-His
FEATURES             Location/Qualifiers
     source          1..6465
                     /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"
     sig_peptide     850..909
                     /codon_start=1
                     /product="human interleukin-2 signal sequence"
                     /label=IL-2 signal sequence
                     /translation="MYRMQLLSCIALSLALVTNS"
     CDS             1780..1797
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /label=6xHis
                     /translation="HHHHHH"
     primer_bind     complement(1820..1837)
                     /label=BGH-rev
                     /note="Bovine growth hormone terminator, reverse primer. 
                     Also called BGH reverse"
     polyA_signal    1826..2050
                     /label=bGH poly(A) signal
                     /note="bovine growth hormone polyadenylation signal"
     rep_origin      2096..2524
                     /direction=RIGHT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(2183..2202)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     primer_bind     2393..2414
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     primer_bind     complement(2533..2553)
                     /label=pBABE 3'
                     /note="SV40 enhancer, reverse primer for pBABE vectors"
     promoter        2538..2867
                     /label=SV40 promoter
                     /note="SV40 enhancer and early promoter"
     rep_origin      2718..2853
                     /label=SV40 ori
                     /note="SV40 origin of replication"
     primer_bind     2780..2799
                     /label=SV40pro-F
                     /note="SV40 promoter/origin, forward primer"
     CDS             2934..3728
                     /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(2988..3007)
                     /label=Neo-R
                     /note="Neomycin resistance gene, reverse primer"
     primer_bind     3598..3617
                     /label=Neo-F
                     /note="Neomycin resistance gene, forward primer"
     polyA_signal    3904..4025
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     primer_bind     complement(3941..3960)
                     /label=SV40pA-R
                     /note="SV40 polyA, reverse primer"
     primer_bind     3995..4014
                     /label=EBV-rev
                     /note="SV40 polyA terminator, reverse primer"
     primer_bind     complement(4074..4090)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(4074..4090)
                     /label=M13 Reverse
                     /note="In lacZ gene. Also called M13-rev"
     primer_bind     complement(4087..4109)
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     protein_bind    4098..4114
                     /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(4122..4128,4129..4146,4147..4152))
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    4167..4188
                     /label=CAP binding site
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding activates transcription in the presence 
                     of cAMP."
     primer_bind     complement(4305..4322)
                     /label=L4440
                     /note="L4440 vector, forward primer"
     rep_origin      complement(4476..5064)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(4556..4575)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     CDS             complement(join(5235..6026,6027..6095))
                     /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     5858..5877
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     promoter        complement(6096..6200)
                     /gene="bla"
                     /label=AmpR promoter
     primer_bind     complement(6275..6294)
                     /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 acccaagctg
      661 gctagttaag cttggtaccg agctcggatc cagtaccctt caccaccatt actgccatct
      721 cgatgaaagt ctcgccgtaa tcgaggatta ccactacgct gatgtacaga tccatactgc
      781 atgttcattg acgatctaca agctggctag ttaagcttgg taccgagctc ggatccagta
      841 cccttcacca tgtacaggat gcaactcctg tcttgcattg cactaagtct tgcacttgtc
      901 acgaattcga tatcgaagct cactattgaa tccacgccat tcaatgtcgc agaggggaag
      961 gaggttcttc tactcgccca caacctgccc cagaatcgta ttggttacag ctggtacaaa
     1021 ggcgaaagag tggatggcaa cagtctaatt gtaggatatg taataggaac tcaacaagct
     1081 accccagggc ccgcatacag tggtcgagag acaatatacc ccaatgcatc cctgctgatc
     1141 cagaacgtca cccagaatga cacaggattc tataccctac aagtcataaa gtcagatctt
     1201 gtgaatgaag aagcaaccgg acagttccat gtatacccgg agctgcccaa gccctccatc
     1261 tccagcaaca actccaaccc cgtggaggac aaggatgctg tggccttcac ctgtgaacct
     1321 gaggttcaga acacaaccta cctgtggtgg gtaaatggtc agagcctccc ggtcagtccc
     1381 aggctgcagc tgtccaatgg caacatgacc ctcactctac tcagcgtcaa aaggaacgat
     1441 gcaggatcct atgaatgtga aatacagaac ccagcgagtg ccaaccgcag tgacccagtc
     1501 accctgaatg tcctctatgg cccagatgtc cccaccattt ccccctcaaa ggccaattac
     1561 cgtccagggg aaaatctgaa cctctcctgc cacgcagcct ctaacccacc tgcacagtac
     1621 tcttggttta tcaatgggac gttccagcaa tccacacaag agctctttat ccccaacatc
     1681 actgtgaata atagcggatc ctatatgtgc caagcccata actcagccac tggcctcaat
     1741 aggaccacag tcacgatgat cacagtctct gcaaccggtc atcatcacca tcaccattga
     1801 gtttaaaccc gctgatcagc ctcgactgtg ccttctagtt gccagccatc tgttgtttgc
     1861 ccctcccccg tgccttcctt gaccctggaa ggtgccactc ccactgtcct ttcctaataa
     1921 aatgaggaaa ttgcatcgca ttgtctgagt aggtgtcatt ctattctggg gggtggggtg
     1981 gggcaggaca gcaaggggga ggattgggaa gacaatagca ggcatgctgg ggatgcggtg
     2041 ggctctatgg cttctgaggc ggaaagaacc agctggggct ctagggggta tccccacgcg
     2101 ccctgtagcg gcgcattaag cgcggcgggt gtggtggtta cgcgcagcgt gaccgctaca
     2161 cttgccagcg ccctagcgcc cgctcctttc gctttcttcc cttcctttct cgccacgttc
     2221 gccggctttc cccgtcaagc tctaaatcgg gggctccctt tagggttccg atttagtgct
     2281 ttacggcacc tcgaccccaa aaaacttgat tagggtgatg gttcacgtag tgggccatcg
     2341 ccctgataga cggtttttcg ccctttgacg ttggagtcca cgttctttaa tagtggactc
     2401 ttgttccaaa ctggaacaac actcaaccct atctcggtct attcttttga tttataaggg
     2461 attttgccga tttcggccta ttggttaaaa aatgagctga tttaacaaaa atttaacgcg
     2521 aattaattct gtggaatgtg tgtcagttag ggtgtggaaa gtccccaggc tccccagcag
     2581 gcagaagtat gcaaagcatg catctcaatt agtcagcaac caggtgtgga aagtccccag
     2641 gctccccagc aggcagaagt atgcaaagca tgcatctcaa ttagtcagca accatagtcc
     2701 cgcccctaac tccgcccatc ccgcccctaa ctccgcccag ttccgcccat tctccgcccc
     2761 atggctgact aatttttttt atttatgcag aggccgaggc cgcctctgcc tctgagctat
     2821 tccagaagta gtgaggaggc ttttttggag gcctaggctt ttgcaaaaag ctcccgggag
     2881 cttgtatatc cattttcgga tctgatcaag agacaggatg aggatcgttt cgcatgattg
     2941 aacaagatgg attgcacgca ggttctccgg ccgcttgggt ggagaggcta ttcggctatg
     3001 actgggcaca acagacaatc ggctgctctg atgccgccgt gttccggctg tcagcgcagg
     3061 ggcgcccggt tctttttgtc aagaccgacc tgtccggtgc cctgaatgaa ctgcaggacg
     3121 aggcagcgcg gctatcgtgg ctggccacga cgggcgttcc ttgcgcagct gtgctcgacg
     3181 ttgtcactga agcgggaagg gactggctgc tattgggcga agtgccgggg caggatctcc
     3241 tgtcatctca ccttgctcct gccgagaaag tatccatcat ggctgatgca atgcggcggc
     3301 tgcatacgct tgatccggct acctgcccat tcgaccacca agcgaaacat cgcatcgagc
     3361 gagcacgtac tcggatggaa gccggtcttg tcgatcagga tgatctggac gaagagcatc
     3421 aggggctcgc gccagccgaa ctgttcgcca ggctcaaggc gcgcatgccc gacggcgagg
     3481 atctcgtcgt gacccatggc gatgcctgct tgccgaatat catggtggaa aatggccgct
     3541 tttctggatt catcgactgt ggccggctgg gtgtggcgga ccgctatcag gacatagcgt
     3601 tggctacccg tgatattgct gaagagcttg gcggcgaatg ggctgaccgc ttcctcgtgc
     3661 tttacggtat cgccgctccc gattcgcagc gcatcgcctt ctatcgcctt cttgacgagt
     3721 tcttctgagc gggactctgg ggttcgcgaa atgaccgacc aagcgacgcc caacctgcca
     3781 tcacgagatt tcgattccac cgccgccttc tatgaaaggt tgggcttcgg aatcgttttc
     3841 cgggacgccg gctggatgat cctccagcgc ggggatctca tgctggagtt cttcgcccac
     3901 cccaacttgt ttattgcagc ttataatggt tacaaataaa gcaatagcat cacaaatttc
     3961 acaaataaag catttttttc actgcattct agttgtggtt tgtccaaact catcaatgta
     4021 tcttatcatg tctgtatacc gtcgacctct agctagagct tggcgtaatc atggtcatag
     4081 ctgtttcctg tgtgaaattg ttatccgctc acaattccac acaacatacg agccggaagc
     4141 ataaagtgta aagcctgggg tgcctaatga gtgagctaac tcacattaat tgcgttgcgc
     4201 tcactgcccg ctttccagtc gggaaacctg tcgtgccagc tgcattaatg aatcggccaa
     4261 cgcgcgggga gaggcggttt gcgtattggg cgctcttccg cttcctcgct cactgactcg
     4321 ctgcgctcgg tcgttcggct gcggcgagcg gtatcagctc actcaaaggc ggtaatacgg
     4381 ttatccacag aatcagggga taacgcagga aagaacatgt gagcaaaagg ccagcaaaag
     4441 gccaggaacc gtaaaaaggc cgcgttgctg gcgtttttcc ataggctccg cccccctgac
     4501 gagcatcaca aaaatcgacg ctcaagtcag aggtggcgaa acccgacagg actataaaga
     4561 taccaggcgt ttccccctgg aagctccctc gtgcgctctc ctgttccgac cctgccgctt
     4621 accggatacc tgtccgcctt tctcccttcg ggaagcgtgg cgctttctca tagctcacgc
     4681 tgtaggtatc tcagttcggt gtaggtcgtt cgctccaagc tgggctgtgt gcacgaaccc
     4741 cccgttcagc ccgaccgctg cgccttatcc ggtaactatc gtcttgagtc caacccggta
     4801 agacacgact tatcgccact ggcagcagcc actggtaaca ggattagcag agcgaggtat
     4861 gtaggcggtg ctacagagtt cttgaagtgg tggcctaact acggctacac tagaagaaca
     4921 gtatttggta tctgcgctct gctgaagcca gttaccttcg gaaaaagagt tggtagctct
     4981 tgatccggca aacaaaccac cgctggtagc ggtggttttt ttgtttgcaa gcagcagatt
     5041 acgcgcagaa aaaaaggatc tcaagaagat cctttgatct tttctacggg gtctgacgct
     5101 cagtggaacg aaaactcacg ttaagggatt ttggtcatga gattatcaaa aaggatcttc
     5161 acctagatcc ttttaaatta aaaatgaagt tttaaatcaa tctaaagtat atatgagtaa
     5221 acttggtctg acagttacca atgcttaatc agtgaggcac ctatctcagc gatctgtcta
     5281 tttcgttcat ccatagttgc ctgactcccc gtcgtgtaga taactacgat acgggagggc
     5341 ttaccatctg gccccagtgc tgcaatgata ccgcgagacc cacgctcacc ggctccagat
     5401 ttatcagcaa taaaccagcc agccggaagg gccgagcgca gaagtggtcc tgcaacttta
     5461 tccgcctcca tccagtctat taattgttgc cgggaagcta gagtaagtag ttcgccagtt
     5521 aatagtttgc gcaacgttgt tgccattgct acaggcatcg tggtgtcacg ctcgtcgttt
     5581 ggtatggctt cattcagctc cggttcccaa cgatcaaggc gagttacatg atcccccatg
     5641 ttgtgcaaaa aagcggttag ctccttcggt cctccgatcg ttgtcagaag taagttggcc
     5701 gcagtgttat cactcatggt tatggcagca ctgcataatt ctcttactgt catgccatcc
     5761 gtaagatgct tttctgtgac tggtgagtac tcaaccaagt cattctgaga atagtgtatg
     5821 cggcgaccga gttgctcttg cccggcgtca atacgggata ataccgcgcc acatagcaga
     5881 actttaaaag tgctcatcat tggaaaacgt tcttcggggc gaaaactctc aaggatctta
     5941 ccgctgttga gatccagttc gatgtaaccc actcgtgcac ccaactgatc ttcagcatct
     6001 tttactttca ccagcgtttc tgggtgagca aaaacaggaa ggcaaaatgc cgcaaaaaag
     6061 ggaataaggg cgacacggaa atgttgaata ctcatactct tcctttttca atattattga
     6121 agcatttatc agggttattg tctcatgagc ggatacatat ttgaatgtat ttagaaaaat
     6181 aaacaaatag gggttccgcg cacatttccc cgaaaagtgc cacctgacgt cgacggatcg
     6241 ggagatctcc cgatccccta tggtgcactc tcagtacaat ctgctctgat gccgcatagt
     6301 taagccagta tctgctccct gcttgtgtgt tggaggtcgc tgagtagtgc gcgagcaaaa
     6361 tttaagctac aacaaggcaa ggcttgaccg acaattgcat gaagaatctg cttagggtta
     6421 ggcgttttgc gctgcttcgc gatgtacggg ccagatatac gcgtt
//
