LOCUS       sequence-336874-        6146 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Cell-free/mammalian expression vector for SARS-COV-2 virus ORF3b 
            with N-term eGFP.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 6146)
  TITLE     Alexandrov Lab Plasmids
REFERENCE   2  (bases 1 to 6146)
  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"
COMMENT     Sequence Label: pmCellFree_KA1_SARS-COV-2_ORF3b
FEATURES             Location/Qualifiers
     source          1..6146
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     misc_recomb     181..1008
                     /label=baculovirus recombination region (lef2/ORF603)
                     /note="contains ORF603 and part of lef2"
     CDS             181..305
                     /codon_start=3
                     /product="baculovirus late expression factor 2"
                     /label=lef2
                     /translation="HLLIKSQDVYKPPNCQKMKTVDKLCPFAGNCKGLNPICNY"
     CDS             complement(343..948)
                     /codon_start=1
                     /product="baculovirus ORF603 protein"
                     /label=ORF603
                     /translation="MAVIFNNKQLLADNSIEKGGELFLFNGSYNILESYVNPVLLKNGV
                     IELEEAAYYAGNILYKTDDPKFIDYINLIIKATHSEELPENSTVVNYRKTMRSGTIHPI
                     KKDIYIYDNKKFTLYDRYIYGYDNNYVNFYEEKNEKEKEYEEEDDKASSLCENKIILSQ
                     INCESFENDFKYYLSDYNYAFSIIDNTTNVLVAFGLYR"
     enhancer        1140..1443
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
     promoter        1449..1726
                     /label=chicken beta-actin promoter
     primer_bind     2005..2027
                     /label=pCAGGS-5
                     /note="Chimeric intron in CAG promoter, forward primer"
     primer_bind     2089..2108
                     /label=pCAG-F
                     /note="Rabbit beta-globin intron, for pCAG plasmids, 
                     forward primer"
     primer_bind     2147..2166
                     /label=T7
                     /note="T7 promoter, forward primer"
     promoter        2147..2165
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     CDS             2309..2332
                     /codon_start=1
                     /product="8xHis affinity tag"
                     /label=8xHis
                     /translation="HHHHHHHH"
     CDS             2339..3049
                     /codon_start=1
                     /product="enhanced GFP"
                     /label=EGFP
                     /translation="SKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKF
                     ICTTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKQHDFFKSAMPEGYVQERTIFFKDDGN
                     YKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNGIKVN
                     FKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLLEF
                     VTAAGITLGMDELYK"
     CDS             2339..3049
                     /codon_start=1
                     /product="the original enhanced GFP (Yang et al., 1996)"
                     /label=EGFP
                     /note="mammalian codon-optimized"
                     /translation="SKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKF
                     ICTTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKQHDFFKSAMPEGYVQERTIFFKDDGN
                     YKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNGIKVN
                     FKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLLEF
                     VTAAGITLGMDELYK"
     primer_bind     complement(2639..2658)
                     /label=EXFP-R
                     /note="For distinguishing EGFP variants, reverse primer"
     primer_bind     2986..3007
                     /label=EGFP-C
                     /note="EGFP, forward primer"
     CDS             3050..3073
                     /codon_start=1
                     /product="recognition and cleavage site for human 
                     rhinovirus 3C and PreScission proteases"
                     /label=HRV 3C site
                     /translation="LEVLFQGP"
     protein_bind    3074..3098
                     /gene="mutant version of attB"
                     /label=attB1
                     /bound_moiety="BP Clonase(TM)"
                     /note="recombination site for the Gateway(R) BP reaction"
     protein_bind    complement(3275..3299)
                     /gene="mutant version of attB"
                     /label=attB2
                     /bound_moiety="BP Clonase(TM)"
                     /note="recombination site for the Gateway(R) BP reaction"
     CDS             3334..3351
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /label=6xHis
                     /translation="HHHHHH"
     primer_bind     complement(3441..3460)
                     /label=Bglob-pA-R
                     /note="Rabbit beta-globin polyA region, reverse primer"
     polyA_signal    3506..3561
                     /label=beta-globin poly(A) signal
                     /note="rabbit beta-globin polyadenylation signal (Gil and 
                     Proudfoot, 1987)"
     primer_bind     complement(3560..3579)
                     /label=rbglobpA-R
                     /note="Rabbit beta-globin polyA, reverse primer. Also 
                     called rb-glob-pA-term-R"
     terminator      3649..3696
                     /label=T7 terminator
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
     misc_recomb     3709..4414
                     /label=baculovirus recombination region (ORF1629)
                     /note="contains part of ORF1629"
     3'UTR           3797..4169
                     /label=polyhedrin 3' UTR
                     /note="3' UTR from the Autographa californica 
                     nucleopolyhedrovirus polyhedrin gene (Suzuki et al., 2006)"
     CDS             complement(3826..4414)
                     /codon_start=2
                     /product="baculovirus capsid-associated protein"
                     /label=ORF1629
                     /note="required for viral replication"
                     /translation="IPKSSTTNLIADVLADTINRRRVAMAKSSSEATSNDEGWDDDDNR
                     PNKANTPDVKYVQALFNVFTSSQLYTNDSDERNTKAHNILNDVEPLLQNKTQTNIDKAR
                     LLLQDLASFVALSENPLDSPAIGSEKQPLFETNRNLFYKSIEDLIFKFRYKDAENHLIF
                     ALTYHPKDYKFNELLKYVQQLSVNQQRTESSA"
     protein_bind    complement(4423..4456)
                     /label=loxP
                     /bound_moiety="Cre recombinase"
                     /note="Cre-mediated recombination occurs in the 8-bp core 
                     sequence (ATGTATGC) (Shaw et al., 2021)."
     rep_origin      complement(4624..5211)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(4703..4722)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     CDS             complement(join(5224..6015,6016..6084))
                     /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     5847..5866
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
ORIGIN
        1 tcctgcatct tttaatcaaa tcccaagatg tgtataaacg cgccggtatg tacaggaaga
       61 ggtttatact aaactgttac attgcaaacg tggtttcgtg tgccaagtgt gaaaaccgat
      121 gtttaatcaa ggctctgacg catttctaca accacgactc caagtgtgtg ggtgaagtca
      181 tgcatctttt aatcaaatcc caagatgtgt ataaaccacc aaactgccaa aaaatgaaaa
      241 ctgtcgacaa gctctgtccg tttgctggca actgcaaggg tctcaatcct atttgtaatt
      301 attgaataat aaaacaatta taaatgtcaa atttgttttt tattaacgat acaaaccaaa
      361 cgcaacaaga acatttgtag tattatctat aattgaaaac gcgtagttat aatcgctgag
      421 gtaatattta aaatcatttt caaatgattc acagttaatt tgcgacaata taattttatt
      481 ttcacataaa ctagacgcct tgtcgtcttc ttcttcgtat tccttctctt tttcattttt
      541 ctcttcataa aaattaacat agttattatc gtatccatat atgtatctat cgtatagagt
      601 aaattttttg ttgtcataaa tatatatgtc ttttttaatg gggtgtatag taccgctgcg
      661 catagttttt ctgtaattta caacagtgct attttctggt agttcttcgg agtgtgttgc
      721 tttaattatt aaatttatat aatcaatgaa tttgggatcg tcggttttgt acaatatgtt
      781 gccggcatag tacgcagctt cttctagttc aattacacca ttttttagca gcaccggatt
      841 aacataactt tccaaaatgt tgtacgaacc gttaaacaaa aacagttcac ctcccttttc
      901 tatactattg tctgcgagca gttgtttgtt gttaaaaata acagccattg taatgagacg
      961 cacaaactaa tatcacaaac tggaaatgtc tatcaatata tagttgctga tggccggccg
     1021 taatgagacg cacaaactaa tatcacaaac tggaaatgtc tatcaatata tagttgctct
     1081 agttattaat agtaatcaat tacggggtca ttagttcata gcccatatat ggagttccgc
     1141 gttacataac ttacggtaaa tggcccgcct ggctgaccgc ccaacgaccc ccgcccattg
     1201 acgtcaataa tgacgtatgt tcccatagta acgccaatag ggactttcca ttgacgtcaa
     1261 tgggtggagt atttacggta aactgcccac ttggcagtac atcaagtgta tcatatgcca
     1321 agtacgcccc ctattgacgt caatgacggt aaatggcccg cctggcatta tgcccagtac
     1381 atgaccttat gggactttcc tacttggcag tacatctacg tattagtcat cgctattacc
     1441 atgcatggtc gaggtgagcc ccacgttctg cttcactctc cccatctccc ccccctcccc
     1501 acccccaatt ttgtatttat ttatttttta attattttgt gcagcgatgg gggcgggggg
     1561 gggggggggg cgcgcgccrg gggggggggg ggggggsgrg gggsggggsg gggsgaggcg
     1621 gagaggtgcg gcggcagcca atcagagcgg cgcgctccga aagtttcctt ttatggcgag
     1681 gcggcggcgg cggcggccct ataaaaagcg aagcgcgcgg cgggcgggag tcgctgcgcg
     1741 ctgccttcgc cccgtgcccc gctccgccgc cgcctcgcgc cgcccgcccc ggctctgact
     1801 gaccgcgtta ctcccacagg tgagcgggcg ggacggccct tctccttcgg gctgtaatta
     1861 gcgcttggtt taatgacggc ttgtttcttt tctgtggctg cgtgaaagcc ttgaggggct
     1921 ccgggagggc cctttgtgcg gggggagcgg ctcggggctg tccgcggggg gacggctgcc
     1981 ttcggggggg acggggcagg gcggggttcg gcttctggcg tgtgaccggc ggctctagag
     2041 cctctgctaa ccatgttcat gccttcttct ttttcctaca gctcctgggc aacgtgctgg
     2101 ttattgtgct gtctcatcat tttggcaaag aattggatcg gacgtctaat acgactcact
     2161 atagggacat cttaagttta ttttatttta ttttatttta ttttatttta ttttatttta
     2221 ttttatttta ttttatttaa ccatgacagt aatgtataaa gtctgtaaag acattaaaca
     2281 cgtaagtgaa accatgggca cctctggtca ccaccatcac caccatcacc acggcacaag
     2341 caagggcgag gagctgttca ccggggtggt gcccatcctg gtcgagttgg acggcgacgt
     2401 aaacggccac aagttcagcg tgtccggcga gggcgagggc gatgccacct acggcaagct
     2461 gaccctgaag ttcatctgca ccaccggcaa gctgcccgtg ccctggccca ccctcgtgac
     2521 caccctgacc tacggcgtgc agtgcttcag ccgctacccc gaccacatga agcagcacga
     2581 cttcttcaag tccgccatgc ccgaaggcta cgtccaggag cgcaccatct tcttcaagga
     2641 cgacggcaac tacaagaccc gcgccgaggt gaagttcgag ggcgacaccc tggtgaaccg
     2701 catcgagctg aagggcatcg acttcaagga ggacggcaac atcctggggc acaagctgga
     2761 gtacaactac aacagccaca acgtctatat catggccgac aagcagaaga acggcatcaa
     2821 ggtgaacttc aagatccgcc acaacatcga ggacggcagc gtgcagctcg ccgaccacta
     2881 ccagcagaac acccccatcg gcgacggccc cgtgctgctg cccgacaacc actacctgag
     2941 cacccagtcc gccctgagca aagaccccaa cgagaagcgc gatcacatgg tcctgctgga
     3001 gttcgtgacc gccgccggga tcactctcgg catggacgag ctatacaagc tggaggtgct
     3061 cttccagggt ccgacaagtt tgtacaaaaa agcaggctta atggcttatt gttggagatg
     3121 tacttcttgt tgtttctcag aaagattcca aaaccataac ccacaaaagg aaatggcaac
     3181 ttctacatta caaggttgtt cattgtgttt acaattggct gttgttgttt gtaactcttt
     3241 gttaacacca ttcgcaagat gttgttggcc atgaacccag ctttcttgta caaagtggtg
     3301 taagcggccg ccagctttct agaccagttt aaacatcacc atcaccatca ctaagtgatt
     3361 aacctcaggt gcaggctgcc tatcagaagg tggtggctgg tgtggccaat gccctggctc
     3421 acaaatacca ctgagatcga tctttttccc tctgccaaaa attatgggga catcatgaag
     3481 ccccttgagc atctgacttc tggctaataa aggaaattta ttttcattgc aatagtgtgt
     3541 tggaattttt tgtgtctctc actcggaagg acatatggga gggcaaatca tttaaaacat
     3601 cagaatgagt atttggttta gagtttggca acatatgccc atatgtaact agcataaccc
     3661 cttggggcct ctaaacgggt cttgaggggt tttttgctga aagcatgcgg aggaaattct
     3721 ccttgaagtt tccctggtgt tcaaagtaaa ggagtttgca ccagacgcac ctctgttcac
     3781 tggtccggcg tattaaaaca cgatacattg ttattagtac atttattaag cgctagattc
     3841 tgtgcgttgt tgatttacag acaattgttg tacgtatttt aataattcat taaatttata
     3901 atctttaggg tggtatgtta gagcgaaaat caaatgattt tcagcgtctt tatatctgaa
     3961 tttaaatatt aaatcctcaa tagatttgta aaataggttt cgattagttt caaacaaggg
     4021 ttgtttttcc gaaccgatgg ctggactatc taatggattt tcgctcaacg ccacaaaact
     4081 tgccaaatct tgtagcagca atctagcttt gtcgatattc gtttgtgttt tgttttgtaa
     4141 taaaggttcg acgtcgttca aaatattatg cgcttttgta tttctttcat cactgtcgtt
     4201 agtgtacaat tgactcgacg taaacacgtt aaatagagct tggacatatt taacatcggg
     4261 cgtgttagct ttattaggcc gattatcgtc gtcgtcccaa ccctcgtcgt tagaagttgc
     4321 ttccgaagac gattttgcca tagccacacg acgcctatta attgtgtcgg ctaacacgtc
     4381 cgcgatcaaa tttgtagttg agctttttgg aattgcgatc gcataacttc gtatagcata
     4441 cattatacga agttataagc tcggaacgct gcgctcggtc gttcggctgc ggcgagcggt
     4501 atcagctcac tcaaaggcgg taatacggtt atccacagaa tcaggggata acgcaggaaa
     4561 gaacatgtga gcaaaaggcc agcaaaaggc caggaaccgt aaaaaggccg cgttgctggc
     4621 gtttttccat aggctccgcc ccctgacgag catcacaaaa atcgacgctc aagtcagagg
     4681 tggcgaaacc cgacaggact ataaagatac caggcgtttc cccctggaag ctccctcgtg
     4741 cgctctcctg ttccgaccct gccgcttacc ggatacctgt ccgcctttct cccttcggga
     4801 agcgtggcgc tttctcatag ctcacgctgt aggtatctca gttcggtgta ggtcgttcgc
     4861 tccaagctgg gctgtgtgca cgaacccccc gttcagcccg accgctgcgc cttatccggt
     4921 aactatcgtc ttgagtccaa cccggtaaga cacgacttat cgccactggc agcagccact
     4981 ggtaacagga ttagcagagc gaggtatgta ggcggtgcta cagagttctt gaagtggtgg
     5041 cctaactacg gctacactag aagaacagta tttggtatct gcgctctgct gaagccagtt
     5101 accttcggaa aaagagttgg tagctcttga tccggcaaac aaaccaccgc tggtagcggt
     5161 ggtttttttg tttgcaagca gcagattacg cgcagaaaaa aaggatctca agaagatcct
     5221 ttgttaccaa tgcttaatca gtgaggcacc tatctcagcg atctgtctat ttcgttcatc
     5281 catagttgcc tgactccccg tcgtgtagat aactacgata cgggagggct taccatctgg
     5341 ccccagtgct gcaatgatac cgcgagaccc acgctcaccg gctccagatt tatcagcaat
     5401 aaaccagcca gccggaaggg ccgagcgcag aagtggtcct gcaactttat ccgcctccat
     5461 ccagtctatt aattgttgcc gggaagctag agtaagtagt tcgccagtta atagtttgcg
     5521 caacgttgtt gccattgcta caggcatcgt ggtgtcacgc tcgtcgtttg gtatggcttc
     5581 attcagctcc ggttcccaac gatcaaggcg agttacatga tcccccatgt tgtgcaaaaa
     5641 agcggttagc tccttcggtc ctccgatcgt tgtcagaagt aagttggccg cagtgttatc
     5701 actcatggtt atggcagcac tgcataattc tcttactgtc atgccatccg taagatgctt
     5761 ttctgtgact ggtgagtact caaccaagtc attctgagaa tagtgtatgc ggcgaccgag
     5821 ttgctcttgc ccggcgtcaa tacgggataa taccgcgcca catagcagaa ctttaaaagt
     5881 gctcatcatt ggaaaacgtt cttcggggcg aaaactctca aggatcttac cgctgttgag
     5941 atccagttcg atgtaaccca ctcgtgcacc caactgatct tcagcatctt ttactttcac
     6001 cagcgtttct gggtgagcaa aaacaggaag gcaaaatgcc gcaaaaaagg gaataagggc
     6061 gacacggaaa tgttgaatac tcatactctt cctttttcaa tattattgaa gcatttatca
     6121 gggttattgt ctcatgtccg cgcgtt
//
