LOCUS       sequence-314142-        4785 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Used for rapid and efficient membrane protein precrystallization 
            screening strategy utilizing green fluorescent protein and 
            fluorescence-detection size-exclusion chromatography (FSEC)..
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 4785)
  AUTHORS   Kawate T, Gouaux E
  TITLE     Fluorescence-detection size-exclusion chromatography for 
            precrystallization screening of integral membrane proteins.
  JOURNAL   Structure. 2006 Apr;14(4):673-81. doi: 10.1016/j.str.2006.01.013.
  PUBMED    16615909
REFERENCE   2  (bases 1 to 4785)
  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: 
            "10.1016/j.str.2006.01"; journalName: "Structure"; date: "2006-04"; 
            volume: "14"; issue: "4"; pages: "673-81"
COMMENT     Sequence Label: pNGFP-EU
FEATURES             Location/Qualifiers
     source          1..4785
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     enhancer        61..364
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
     promoter        365..568
                     /label=CMV promoter
                     /note="human cytomegalovirus (CMV) immediate early 
                     promoter"
     primer_bind     519..539
                     /label=CMV-F
                     /note="Human CMV immediate early promoter, forward primer"
     CDS             616..639
                     /codon_start=1
                     /product="8xHis affinity tag"
                     /label=8xHis
                     /translation="HHHHHHHH"
     regulatory      643..652
                     /label=Kozak sequence
                     /note="vertebrate consensus sequence for strong initiation 
                     of translation (Kozak, 1987)"
                     /regulatory_class="other"
     CDS             join(649..651,652..654,655..1365)
                     /codon_start=1
                     /product="enhanced GFP"
                     /label=EGFP
                     /translation="MVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTL
                     KFICTTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKQHDFFKSAMPEGYVQERTIFFKDD
                     GNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNGIK
                     VNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLL
                     EFVTAAGITLGMDELYK"
     CDS             join(649..651,652..654,655..1365)
                     /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(694..715)
                     /label=EGFP-N
                     /note="EGFP, reverse primer"
     primer_bind     complement(955..974)
                     /label=EXFP-R
                     /note="For distinguishing EGFP variants, reverse primer"
     primer_bind     1302..1323
                     /label=EGFP-C
                     /note="EGFP, forward primer"
     CDS             1384..1401
                     /codon_start=1
                     /product="thrombin recognition and cleavage site"
                     /label=thrombin site
                     /translation="LVPRGS"
     polyA_signal    1573..1694
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     primer_bind     complement(1610..1629)
                     /label=SV40pA-R
                     /note="SV40 polyA, reverse primer"
     primer_bind     1664..1683
                     /label=EBV-rev
                     /note="SV40 polyA terminator, reverse primer"
     rep_origin      complement(1701..2156)
                     /direction=LEFT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(1838..1859)
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     primer_bind     2050..2069
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     promoter        2183..2287
                     /gene="bla"
                     /label=AmpR promoter
     promoter        2289..2646
                     /label=SV40 promoter
                     /note="SV40 enhancer and early promoter"
     enhancer        2289..2480
                     /label=SV40 enhancer
                     /note="enhancer for the SV40 early promoter (Herr, 1993)"
     primer_bind     complement(2312..2332)
                     /label=pBABE 3'
                     /note="SV40 enhancer, reverse primer for pBABE vectors"
     rep_origin      2497..2632
                     /label=SV40 ori
                     /note="SV40 origin of replication"
     CDS             2681..3475
                     /codon_start=1
                     /product="aminoglycoside phosphotransferase"
                     /label=NeoR/KanR
                     /note="confers resistance to neomycin, kanamycin, and G418 
                     (Geneticin(R))"
                     /translation="MIEQDGLHAGSPAAWVERLFGYDWAQQTIGCSDAAVFRLSAQGRP
                     VLFVKTDLSGALNELQDEAARLSWLATTGVPCAAVLDVVTEAGRDWLLLGEVPGQDLLS
                     SHLAPAEKVSIMADAMRRLHTLDPATCPFDHQAKHRIERARTRMEAGLVDQDDLDEEHQ
                     GLAPAELFARLKASMPDGEDLVVTHGDACLPNIMVENGRFSGFIDCGRLGVADRYQDIA
                     LATRDIAEELGGEWADRFLVLYGIAAPDSQRIAFYRLLDEFF"
     CDS             2681..3475
                     /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
                     GLAPAELFARLKASMPDGEDLVVTHGDACLPNIMVENGRFSGFIDCGRLGVADRYQDIA
                     LATRDIAEELGGEWADRFLVLYGIAAPDSQRIAFYRLLDEFF"
     primer_bind     complement(2735..2754)
                     /label=Neo-R
                     /note="Neomycin resistance gene, reverse primer"
     primer_bind     3345..3364
                     /label=Neo-F
                     /note="Neomycin resistance gene, forward primer"
     primer_bind     complement(3663..3682)
                     /label=TK-pA-R
                     /note="Thymidine kinase polyA, reverse primer"
     polyA_signal    3707..3754
                     /label=HSV TK poly(A) signal
                     /note="herpes simplex virus thymidine kinase 
                     polyadenylation signal (Cole and Stacy, 1985)"
     rep_origin      4083..4671
                     /direction=RIGHT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     4572..4591
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
ORIGIN
        1 tagttattaa tagtaatcaa ttacggggtc attagttcat agcccatata tggagttccg
       61 cgttacataa cttacggtaa atggcccgcc tggctgaccg cccaacgacc cccgcccatt
      121 gacgtcaata atgacgtatg ttcccatagt aacgccaata gggactttcc attgacgtca
      181 atgggtggag tatttacggt aaactgccca cttggcagta catcaagtgt atcatatgcc
      241 aagtacgccc cctattgacg tcaatgacgg taaatggccc gcctggcatt atgcccagta
      301 catgacctta tgggactttc ctacttggca gtacatctac gtattagtca tcgctattac
      361 catggtgatg cggttttggc agtacatcaa tgggcgtgga tagcggtttg actcacgggg
      421 atttccaagt ctccacccca ttgacgtcaa tgggagtttg ttttggcacc aaaatcaacg
      481 ggactttcca aaatgtcgta acaactccgc cccattgacg caaatgggcg gtaggcgtgt
      541 acggtgggag gtctatataa gcagagctgg tttagtgaac cgtcagatcc gctagcgacg
      601 agctcagcca ccatgcacca tcatcatcac caccatcacg cggccgccat ggtgagcaag
      661 ggcgaggagc tgttcaccgg ggtggtgccc atcctggtcg agctggacgg cgacgtaaac
      721 ggccacaagt tcagcgtgtc cggcgagggc gagggcgatg ccacctacgg caagctgacc
      781 ctgaagttca tctgcaccac cggcaagctg cccgtgccct ggcccaccct cgtgaccacc
      841 ctgacctacg gcgtgcagtg cttcagccgc taccccgacc acatgaagca gcacgacttc
      901 ttcaagtccg ccatgcccga aggctacgtc caggagcgca ccatcttctt caaggacgac
      961 ggcaactaca agacccgcgc cgaggtgaag ttcgagggcg acaccctggt gaaccgcatc
     1021 gagctgaagg gcatcgactt caaggaggac ggcaacatcc tggggcacaa gctggagtac
     1081 aactacaaca gccacaacgt ctatatcatg gccgacaagc agaagaacgg catcaaggtg
     1141 aacttcaaga tccgccacaa catcgaggac ggcagcgtgc agctcgccga ccactaccag
     1201 cagaacaccc ccatcggcga cggccccgtg ctgctgcccg acaaccacta cctgagcacc
     1261 cagtccgccc tgagcaaaga ccccaacgag aagcgcgatc acatggtcct gctggagttc
     1321 gtgaccgccg ccgggatcac tctcggcatg gacgagctgt acaagtccgg actcagatct
     1381 ggactggtgc cgcgcggctc tcgagaagct tcgaattctg cagtcgacgg taccgcgggc
     1441 ccgggatcca ccggatctag ataactgatc ataatcagcc ataccacatt tgtagaggtt
     1501 ttacttgctt taaaaaacct cccacacctc cccctgaacc tgaaacataa aatgaatgca
     1561 attgttgttg ttaacttgtt tattgcagct tataatggtt acaaataaag caatagcatc
     1621 acaaatttca caaataaagc atttttttca ctgcattcta gttgtggttt gtccaaactc
     1681 atcaatgtat cttaacgcgt aaattgtaag cgttaatatt ttgttaaaat tcgcgttaaa
     1741 tttttgttaa atcagctcat tttttaacca ataggccgaa atcggcaaaa tcccttataa
     1801 atcaaaagaa tagaccgaga tagggttgag tgttgttcca gtttggaaca agagtccact
     1861 attaaagaac gtggactcca acgtcaaagg gcgaaaaacc gtctatcagg gcgatggccc
     1921 actacgtgaa ccatcaccct aatcaagttt tttggggtcg aggtgccgta aagcactaaa
     1981 tcggaaccct aaagggagcc cccgatttag agcttgacgg ggaaagccgg cgaacgtggc
     2041 gagaaaggaa gggaagaaag cgaaaggagc gggcgctagg gcgctggcaa gtgtagcggt
     2101 cacgctgcgc gtaaccacca cacccgccgc gcttaatgcg ccgctacagg gcgcgtcagg
     2161 tggcactttt cggggaaatg tgcgcggaac ccctatttgt ttatttttct aaatacattc
     2221 aaatatgtat ccgctcatga gacaataacc ctgataaatg cttcaataat attgaaaaag
     2281 gaagagtcct gaggcggaaa gaaccagctg tggaatgtgt gtcagttagg gtgtggaaag
     2341 tccccaggct ccccagcagg cagaagtatg caaagcatgc atctcaatta gtcagcaacc
     2401 aggtgtggaa agtccccagg ctccccagca ggcagaagta tgcaaagcat gcatctcaat
     2461 tagtcagcaa ccatagtccc gcccctaact ccgcccatcc cgcccctaac tccgcccagt
     2521 tccgcccatt ctccgcccca tggctgacta atttttttta tttatgcaga ggccgaggcc
     2581 gcctcggcct ctgagctatt ccagaagtag tgaggaggct tttttggagg cctaggcttt
     2641 tgcaaagatc gatcaagaga caggatgagg atcgtttcgc atgattgaac aagatggatt
     2701 gcacgcaggt tctccggccg cttgggtgga gaggctattc ggctatgact gggcacaaca
     2761 gacaatcggc tgctctgatg ccgccgtgtt ccggctgtca gcgcaggggc gcccggttct
     2821 ttttgtcaag accgacctgt ccggtgccct gaatgaactg caagacgagg cagcgcggct
     2881 atcgtggctg gccacgacgg gcgttccttg cgcagctgtg ctcgacgttg tcactgaagc
     2941 gggaagggac tggctgctat tgggcgaagt gccggggcag gatctcctgt catctcacct
     3001 tgctcctgcc gagaaagtat ccatcatggc tgatgcaatg cggcggctgc atacgcttga
     3061 tccggctacc tgcccattcg accaccaagc gaaacatcgc atcgagcgag cacgtactcg
     3121 gatggaagcc ggtcttgtcg atcaggatga tctggacgaa gagcatcagg ggctcgcgcc
     3181 agccgaactg ttcgccaggc tcaaggcgag catgcccgac ggcgaggatc tcgtcgtgac
     3241 ccatggcgat gcctgcttgc cgaatatcat ggtggaaaat ggccgctttt ctggattcat
     3301 cgactgtggc cggctgggtg tggcggaccg ctatcaggac atagcgttgg ctacccgtga
     3361 tattgctgaa gagcttggcg gcgaatgggc tgaccgcttc ctcgtgcttt acggtatcgc
     3421 cgctcccgat tcgcagcgca tcgccttcta tcgccttctt gacgagttct tctgagcggg
     3481 actctggggt tcgaaatgac cgaccaagcg acgcccaacc tgccatcacg agatttcgat
     3541 tccaccgccg ccttctatga aaggttgggc ttcggaatcg ttttccggga cgccggctgg
     3601 atgatcctcc agcgcgggga tctcatgctg gagttcttcg cccaccctag ggggaggcta
     3661 actgaaacac ggaaggagac aataccggaa ggaacccgcg ctatgacggc aataaaaaga
     3721 cagaataaaa cgcacggtgt tgggtcgttt gttcataaac gcggggttcg gtcccagggc
     3781 tggcactctg tcgatacccc accgagaccc cattggggcc aatacgcccg cgtttcttcc
     3841 ttttccccac cccacccccc aagttcgggt gaaggcccag ggctcgcagc caacgtcggg
     3901 gcggcaggcc ctgccatagc ctcaggttac tcatatatac tttagattga tttaaaactt
     3961 catttttaat ttaaaaggat ctaggtgaag atcctttttg ataatctcat gaccaaaatc
     4021 ccttaacgtg agttttcgtt ccactgagcg tcagaccccg tagaaaagat caaaggatct
     4081 tcttgagatc ctttttttct gcgcgtaatc tgctgcttgc aaacaaaaaa accaccgcta
     4141 ccagcggtgg tttgtttgcc ggatcaagag ctaccaactc tttttccgaa ggtaactggc
     4201 ttcagcagag cgcagatacc aaatactgtc cttctagtgt agccgtagtt aggccaccac
     4261 ttcaagaact ctgtagcacc gcctacatac ctcgctctgc taatcctgtt accagtggct
     4321 gctgccagtg gcgataagtc gtgtcttacc gggttggact caagacgata gttaccggat
     4381 aaggcgcagc ggtcgggctg aacggggggt tcgtgcacac agcccagctt ggagcgaacg
     4441 acctacaccg aactgagata cctacagcgt gagctatgag aaagcgccac gcttcccgaa
     4501 gggagaaagg cggacaggta tccggtaagc ggcagggtcg gaacaggaga gcgcacgagg
     4561 gagcttccag ggggaaacgc ctggtatctt tatagtcctg tcgggtttcg ccacctctga
     4621 cttgagcgtc gatttttgtg atgctcgtca ggggggcgga gcctatggaa aaacgccagc
     4681 aacgcggcct ttttacggtt cctggccttt tgctggcctt ttgctcacat gttctttcct
     4741 gcgttatccc ctgattctgt ggataaccgt attaccgcca tgcat
//
