LOCUS       sequence-307734-        6274 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Bacterial expression of Sars-CoV2 Nsp4 protein with His-tag and 
            GST-tag.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 6274)
  AUTHORS   Mihalic F, Benz C, Kassa E, Lindqvist R, Simonetti L, Inturi R, 
            Aronsson H, Andersson E, Chi CN, Davey NE, Overby AK, Jemth P, 
            Ivarsson Y
  TITLE     Identification of motif-based interactions between SARS-CoV-2 
            protein domains and human peptide ligands pinpoint antiviral 
            targets.
  JOURNAL   Nat Commun. 2023 Sep 13;14(1):5636. doi: 10.1038/s41467-023-41312-8.
  PUBMED    37704626
REFERENCE   2  (bases 1 to 6274)
  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: "2023-09-13"; volume: "14(1):5636. doi"; pages: " 
            10.1038/s41467-023-41312-8"
COMMENT     Sequence Label: pETM33_Nsp4
FEATURES             Location/Qualifiers
     source          1..6274
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     rep_origin      1..589
                     /direction=RIGHT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     490..509
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     primer_bind     743..760
                     /label=L4440
                     /note="L4440 vector, forward primer"
     misc_feature    775..914
                     /label=bom
                     /note="basis of mobility region from pBR322"
     primer_bind     complement(840..859)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
     primer_bind     1000..1022
                     /label=pGEX 3'
                     /note="pGEX vectors, reverse primer"
     CDS             complement(1016..1207)
                     /codon_start=1
                     /gene="rop"
                     /product="Rop protein, which maintains plasmids at low copy
                     number"
                     /label=rop
                     /translation="MTKQEKTALNMARFIRSQTLTLLEKLNELDADEQADICESLHDHA
                     DELYRSCLARFGDDGENL"
     CDS             complement(2016..3098)
                     /codon_start=1
                     /gene="lacI"
                     /product="lac repressor"
                     /label=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)."
                     /translation="MKPVTLYDVAEYAGVSYQTVSRVVNQASHVSAKTREKVEAAMAEL
                     NYIPNRVAQQLAGKQSLLIGVATSSLALHAPSQIVAAIKSRADQLGASVVVSMVERSGV
                     EACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAACTNVPALFLDVSDQTPINSIIFSH
                     EDGTRLGVEHLVALGHQQIALLAGPLSSVSARLRLAGWHKYLTRNQIQPIAEREGDWSA
                     MSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITESGLRVGADISVVGYDDTEDSSC
                     YIPPLTTIKQDFRLLGQTSVDRLLQLSQGQAVKGNQLLPVSLVKRKTTLAPNTQTASPR
                     ALADSLMQLARQVSRLESGQ"
     primer_bind     3060..3079
                     /label=LacI-R
                     /note="LacI, reverse primer"
     promoter        complement(3099..3176)
                     /gene="lacI"
                     /label=lacI promoter
     primer_bind     3382..3401
                     /label=pBRrevBam
                     /note="pBR322 vectors, tet region, downstream of BamHI, 
                     reverse primer"
     primer_bind     3485..3504
                     /label=T7
                     /note="T7 promoter, forward primer"
     promoter        3485..3503
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     protein_bind    3504..3528
                     /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             3543..3565
                     /note="efficient ribosome binding site from bacteriophage 
                     T7 gene 10 (Olins and Rangwala, 1989)"
     CDS             3578..3595
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /label=6xHis
                     /translation="HHHHHH"
     CDS             3614..4267
                     /codon_start=1
                     /product="glutathione S-transferase from Schistosoma 
                     japonicum"
                     /label=GST
                     /translation="MSPILGYWKIKGLVQPTRLLLEYLEEKYEEHLYERDEGDKWRNKK
                     FELGLEFPNLPYYIDGDVKLTQSMAIIRYIADKHNMLGGCPKERAEISMLEGAVLDIRY
                     GVSRIAYSKDFETLKVDFLSKLPEMLKMFEDRLCHKTYLNGDHVTHPDFMLYDALDVVL
                     YMDPMCLDAFPKLVCFKKRIEAIPQIDKYLKSSKYIAWPLQGWQATFGGGDHPPK"
     CDS             4274..4297
                     /codon_start=1
                     /product="recognition and cleavage site for human 
                     rhinovirus 3C and PreScission proteases"
                     /label=HRV 3C site
                     /translation="LEVLFQGP"
     CDS             4623..4640
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /label=6xHis
                     /translation="HHHHHH"
     primer_bind     complement(4693..4711)
                     /label=T7 Term
                     /note="T7 terminator, reverse primer"
     terminator      4707..4754
                     /label=T7 terminator
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
     rep_origin      4791..5246
                     /direction=RIGHT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(4878..4897)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     primer_bind     5088..5109
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     CDS             complement(5338..6153)
                     /codon_start=1
                     /product="aminoglycoside phosphotransferase"
                     /label=KanR
                     /note="confers resistance to kanamycin in bacteria or G418 
                     (Geneticin(R)) in eukaryotes"
                     /translation="MSHIQRETSCSRPRLNSNMDADLYGYKWARDNVGQSGATIYRLYG
                     KPDAPELFLKHGKGSVANDVTDEMVRLNWLTEFMPLPTIKHFIRTPDDAWLLTTAIPGK
                     TAFQVLEEYPDSGENIVDALAVFLRRLHSIPVCNCPFNSDRVFRLAQAQSRMNNGLVDA
                     SDFDDERNGWPVEQVWKEMHKLLPFSPDSVVTHGDFSLDNLIFDEGKLIGCIDVGRVGI
                     ADRYQDLAILWNCLGEFSPSLQKRLFQKYGIDNPDMNKLQFHLMLDEFF"
     CDS             complement(5338..6153)
                     /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="MSHIQRETSCSRPRLNSNMDADLYGYKWARDNVGQSGATIYRLYG
                     KPDAPELFLKHGKGSVANDVTDEMVRLNWLTEFMPLPTIKHFIRTPDDAWLLTTAIPGK
                     TAFQVLEEYPDSGENIVDALAVFLRRLHSIPVCNCPFNSDRVFRLAQAQSRMNNGLVDA
                     SDFDDERNGWPVEQVWKEMHKLLPFSPDSVVTHGDFSLDNLIFDEGKLIGCIDVGRVGI
                     ADRYQDLAILWNCLGEFSPSLQKRLFQKYGIDNPDMNKLQFHLMLDEFF"
     primer_bind     6061..6080
                     /label=Kan-R
                     /note="Kanamycin resistance gene, reverse primer"
     primer_bind     6145..6164
                     /label=pENTR-R
                     /note="pENTR vectors, reverse primer"
ORIGIN
        1 ttgagatcct ttttttctgc gcgtaatctg ctgcttgcaa acaaaaaaac caccgctacc
       61 agcggtggtt tgtttgccgg atcaagagct accaactctt tttccgaagg taactggctt
      121 cagcagagcg cagataccaa atactgtcct tctagtgtag ccgtagttag gccaccactt
      181 caagaactct gtagcaccgc ctacatacct cgctctgcta atcctgttac cagtggctgc
      241 tgccagtggc gataagtcgt gtcttaccgg gttggactca agacgatagt taccggataa
      301 ggcgcagcgg tcgggctgaa cggggggttc gtgcacacag cccagcttgg agcgaacgac
      361 ctacaccgaa ctgagatacc tacagcgtga gctatgagaa agcgccacgc ttcccgaagg
      421 gagaaaggcg gacaggtatc cggtaagcgg cagggtcgga acaggagagc gcacgaggga
      481 gcttccaggg ggaaacgcct ggtatcttta tagtcctgtc gggtttcgcc acctctgact
      541 tgagcgtcga tttttgtgat gctcgtcagg ggggcggagc ctatggaaaa acgccagcaa
      601 cgcggccttt ttacggttcc tggccttttg ctggcctttt gctcacatgt tctttcctgc
      661 gttatcccct gattctgtgg ataaccgtat taccgccttt gagtgagctg ataccgctcg
      721 ccgcagccga acgaccgagc gcagcgagtc agtgagcgag gaagcggaag agcgcctgat
      781 gcggtatttt ctccttacgc atctgtgcgg tatttcacac cgcaatggtg cactctcagt
      841 acaatctgct ctgatgccgc atagttaagc cagtatacac tccgctatcg ctacgtgact
      901 gggtcatggc tgcgccccga cacccgccaa cacccgctga cgcgccctga cgggcttgtc
      961 tgctcccggc atccgcttac agacaagctg tgaccgtctc cgggagctgc atgtgtcaga
     1021 ggttttcacc gtcatcaccg aaacgcgcga ggcagctgcg gtaaagctca tcagcgtggt
     1081 cgtgaagcga ttcacagatg tctgcctgtt catccgcgtc cagctcgttg agtttctcca
     1141 gaagcgttaa tgtctggctt ctgataaagc gggccatgtt aagggcggtt ttttcctgtt
     1201 tggtcactga tgcctccgtg taagggggat ttctgttcat gggggtaatg ataccgatga
     1261 aacgagagag gatgctcacg atacgggtta ctgatgatga acatgcccgg ttactggaac
     1321 gttgtgaggg taaacaactg gcggtatgga tgcggcggga ccagagaaaa atcactcagg
     1381 gtcaatgcca gcgcttcgtt aatacagatg taggtgttcc acagggtagc cagcagcatc
     1441 ctgcgatgca gatccggaac ataatggtgc agggcgctga cttccgcgtt tccagacttt
     1501 acgaaacacg gaaaccgaag accattcatg ttgttgctca ggtcgcagac gttttgcagc
     1561 agcagtcgct tcacgttcgc tcgcgtatcg gtgattcatt ctgctaacca gtaaggcaac
     1621 cccgccagcc tagccgggtc ctcaacgaca ggagcacgat catgcgcacc cgtggggccg
     1681 ccatgccggc gataatggcc tgcttctcgc cgaaacgttt ggtggcggga ccagtgacga
     1741 aggcttgagc gagggcgtgc aagattccga ataccgcaag cgacaggccg atcatcgtcg
     1801 cgctccagcg aaagcggtcc tcgccgaaaa tgacccagag cgctgccggc acctgtccta
     1861 cgagttgcat gataaagaag acagtcataa gtgcggcgac gatagtcatg ccccgcgccc
     1921 accggaagga gctgactggg ttgaaggctc tcaagggcat cggtcgagat cccggtgcct
     1981 aatgagtgag ctaacttaca ttaattgcgt tgcgctcact gcccgctttc cagtcgggaa
     2041 acctgtcgtg ccagctgcat taatgaatcg gccaacgcgc ggggagaggc ggtttgcgta
     2101 ttgggcgcca gggtggtttt tcttttcacc agtgagacgg gcaacagctg attgcccttc
     2161 accgcctggc cctgagagag ttgcagcaag cggtccacgc tggtttgccc cagcaggcga
     2221 aaatcctgtt tgatggtggt taacggcggg atataacatg agctgtcttc ggtatcgtcg
     2281 tatcccacta ccgagatatc cgcaccaacg cgcagcccgg actcggtaat ggcgcgcatt
     2341 gcgcccagcg ccatctgatc gttggcaacc agcatcgcag tgggaacgat gccctcattc
     2401 agcatttgca tggtttgttg aaaaccggac atggcactcc agtcgccttc ccgttccgct
     2461 atcggctgaa tttgattgcg agtgagatat ttatgccagc cagccagacg cagacgcgcc
     2521 gagacagaac ttaatgggcc cgctaacagc gcgatttgct ggtgacccaa tgcgaccaga
     2581 tgctccacgc ccagtcgcgt accgtcttca tgggagaaaa taatactgtt gatgggtgtc
     2641 tggtcagaga catcaagaaa taacgccgga acattagtgc aggcagcttc cacagcaatg
     2701 gcatcctggt catccagcgg atagttaatg atcagcccac tgacgcgttg cgcgagaaga
     2761 ttgtgcaccg ccgctttaca ggcttcgacg ccgcttcgtt ctaccatcga caccaccacg
     2821 ctggcaccca gttgatcggc gcgagattta atcgccgcga caatttgcga cggcgcgtgc
     2881 agggccagac tggaggtggc aacgccaatc agcaacgact gtttgcccgc cagttgttgt
     2941 gccacgcggt tgggaatgta attcagctcc gccatcgccg cttccacttt ttcccgcgtt
     3001 ttcgcagaaa cgtggctggc ctggttcacc acgcgggaaa cggtctgata agagacaccg
     3061 gcatactctg cgacatcgta taacgttact ggtttcacat tcaccaccct gaattgactc
     3121 tcttccgggc gctatcatgc cataccgcga aaggttttgc gccattcgat ggtgtccggg
     3181 atctcgacgc tctcccttat gcgactcctg cattaggaag cagcccagta gtaggttgag
     3241 gccgttgagc accgccgccg caaggaatgg tgcatgcaag gagatggcgc ccaacagtcc
     3301 cccggccacg gggcctgcca ccatacccac gccgaaacaa gcgctcatga gcccgaagtg
     3361 gcgagcccga tcttccccat cggtgatgtc ggcgatatag gcgccagcaa ccgcacctgt
     3421 ggcgccggtg atgccggcca cgatgcgtcc ggcgtagagg atcgagatct cgatcccgcg
     3481 aaattaatac gactcactat aggggaattg tgagcggata acaattcccc tctagaaata
     3541 attttgttta actttaagaa ggagatatac catgaaacat caccatcacc atcacaacac
     3601 tagtagcaat tccatgtccc ctatactagg ttattggaaa attaagggcc ttgtgcaacc
     3661 cactcgactt cttttggaat atcttgaaga aaaatatgaa gagcatttgt atgagcgcga
     3721 tgaaggtgat aaatggcgaa acaaaaagtt tgaattgggt ttggagtttc ccaatcttcc
     3781 ttattatatt gatggtgatg ttaaattaac acagtctatg gccatcatac gttatatagc
     3841 tgacaagcac aacatgttgg gtggttgtcc aaaagagcgt gcagagattt caatgcttga
     3901 aggagcggtt ttggatatta gatacggtgt ttcgagaatt gcatatagta aagactttga
     3961 aactctcaaa gttgattttc ttagcaagct acctgaaatg ctgaaaatgt tcgaagatcg
     4021 tttatgtcat aaaacatatt taaatggtga tcatgtaacc catcctgact tcatgttgta
     4081 tgacgctctt gatgttgttt tatacatgga cccaatgtgc ctggatgcgt tcccaaaatt
     4141 agtttgtttt aaaaaacgta ttgaagctat cccacaaatt gataagtact tgaaatccag
     4201 caagtatata gcatggcctt tgcagggctg gcaagccacg tttggtggtg gcgaccatcc
     4261 tccaaaatcg gatctggaag ttctgttcca ggggcccatg gacggtagca ccttcgagga
     4321 agcggcgctg tgcacctttc tgctgaacaa ggagatgtac ctgaaactgc gtagcgacgt
     4381 gctgctgccg ctgacccagt acaaccgtta tctggcgctg tacaacaagt acaaatattt
     4441 cagcggtgcg atggatacca ccagctatcg tgaagcggcg tgctgccacc tggcgaaggc
     4501 gctgaacgac tttagcaaca gcggcagcga tgtgctgtat cagccgccgc aaaccagcat
     4561 caccagcgcg gttctgcaat aagaattcga gctccgtcga caagcttgcg gccgcactcg
     4621 agcaccacca ccaccaccac tgagatccgg ctgctaacaa agcccgaaag gaagctgagt
     4681 tggctgctgc caccgctgag caataactag cataacccct tggggcctct aaacgggtct
     4741 tgaggggttt tttgctgaaa ggaggaacta tatccggatt ggcgaatggg acgcgccctg
     4801 tagcggcgca ttaagcgcgg cgggtgtggt ggttacgcgc agcgtgaccg ctacacttgc
     4861 cagcgcccta gcgcccgctc ctttcgcttt cttcccttcc tttctcgcca cgttcgccgg
     4921 ctttccccgt caagctctaa atcgggggct ccctttaggg ttccgattta gtgctttacg
     4981 gcacctcgac cccaaaaaac ttgattaggg tgatggttca cgtagtgggc catcgccctg
     5041 atagacggtt tttcgccctt tgacgttgga gtccacgttc tttaatagtg gactcttgtt
     5101 ccaaactgga acaacactca accctatctc ggtctattct tttgatttat aagggatttt
     5161 gccgatttcg gcctattggt taaaaaatga gctgatttaa caaaaattta acgcgaattt
     5221 taacaaaata ttaacgctta caatttaggt ggcacttttc ggggaaatgt gcgcggaacc
     5281 cctatttgtt tatttttcta aatacattca aatatgtatc cgctcatgaa ttaattctta
     5341 gaaaaactca tcgagcatca aatgaaactg caatttattc atatcaggat tatcaatacc
     5401 atatttttga aaaagccgtt tctgtaatga aggagaaaac tcaccgaggc agttccatag
     5461 gatggcaaga tcctggtatc ggtctgcgat tccgactcgt ccaacatcaa tacaacctat
     5521 taatttcccc tcgtcaaaaa taaggttatc aagtgagaaa tcaccatgag tgacgactga
     5581 atccggtgag aatggcaaaa gtttatgcat ttctttccag acttgttcaa caggccagcc
     5641 attacgctcg tcatcaaaat cactcgcatc aaccaaaccg ttattcattc gtgattgcgc
     5701 ctgagcgaga cgaaatacgc gatcgctgtt aaaaggacaa ttacaaacag gaatcgaatg
     5761 caaccggcgc aggaacactg ccagcgcatc aacaatattt tcacctgaat caggatattc
     5821 ttctaatacc tggaatgctg ttttcccggg gatcgcagtg gtgagtaacc atgcatcatc
     5881 aggagtacgg ataaaatgct tgatggtcgg aagaggcata aattccgtca gccagtttag
     5941 tctgaccatc tcatctgtaa catcattggc aacgctacct ttgccatgtt tcagaaacaa
     6001 ctctggcgca tcgggcttcc catacaatcg atagattgtc gcacctgatt gcccgacatt
     6061 atcgcgagcc catttatacc catataaatc agcatccatg ttggaattta atcgcggcct
     6121 agagcaagac gtttcccgtt gaatatggct cataacaccc cttgtattac tgtttatgta
     6181 agcagacagt tttattgttc atgaccaaaa tcccttaacg tgagttttcg ttccactgag
     6241 cgtcagaccc cgtagaaaag atcaaaggat cttc
//
