LOCUS       sequence-307745-        6379 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Bacterial expression of Sars-CoV2 N_NTD protein with His-tag and 
            GST-tag.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 6379)
  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 6379)
  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_N_NTD
FEATURES             Location/Qualifiers
     source          1..6379
                     /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             4728..4745
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /label=6xHis
                     /translation="HHHHHH"
     primer_bind     complement(4798..4816)
                     /label=T7 Term
                     /note="T7 terminator, reverse primer"
     terminator      4812..4859
                     /label=T7 terminator
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
     rep_origin      4896..5351
                     /direction=RIGHT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(4983..5002)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     primer_bind     5193..5214
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     CDS             complement(5443..6258)
                     /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(5443..6258)
                     /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     6166..6185
                     /label=Kan-R
                     /note="Kanamycin resistance gene, reverse primer"
     primer_bind     6250..6269
                     /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 gacggtaaca ccgcgagctg
     4321 gttcaccgcg ctgacccagc acggcaaaga ggacctgaaa tttccgcgtg gtcaaggcgt
     4381 gccgatcaac accaacagca gcccggacga tcagattggt tactatcgtc gtgcgacccg
     4441 tcgtatccgt ggtggcgacg gcaagatgaa ggacctgagc ccgcgttggt acttttatta
     4501 tctgggcacc ggtccggagg cgggtctgcc gtatggcgcg aacaaggacg gtatcatttg
     4561 ggtggcgacc gaaggcgcgc tgaacacccc gaaagatcac attggcaccc gtaacccggc
     4621 gaacaacgcg gcgatcgttc tgcaactgcc gcaaggcacc accctgccga agggctttta
     4681 cgcgtaagaa ttcgagctcc gtcgacaagc ttgcggccgc actcgagcac caccaccacc
     4741 accactgaga tccggctgct aacaaagccc gaaaggaagc tgagttggct gctgccaccg
     4801 ctgagcaata actagcataa ccccttgggg cctctaaacg ggtcttgagg ggttttttgc
     4861 tgaaaggagg aactatatcc ggattggcga atgggacgcg ccctgtagcg gcgcattaag
     4921 cgcggcgggt gtggtggtta cgcgcagcgt gaccgctaca cttgccagcg ccctagcgcc
     4981 cgctcctttc gctttcttcc cttcctttct cgccacgttc gccggctttc cccgtcaagc
     5041 tctaaatcgg gggctccctt tagggttccg atttagtgct ttacggcacc tcgaccccaa
     5101 aaaacttgat tagggtgatg gttcacgtag tgggccatcg ccctgataga cggtttttcg
     5161 ccctttgacg ttggagtcca cgttctttaa tagtggactc ttgttccaaa ctggaacaac
     5221 actcaaccct atctcggtct attcttttga tttataaggg attttgccga tttcggccta
     5281 ttggttaaaa aatgagctga tttaacaaaa atttaacgcg aattttaaca aaatattaac
     5341 gcttacaatt taggtggcac ttttcgggga aatgtgcgcg gaacccctat ttgtttattt
     5401 ttctaaatac attcaaatat gtatccgctc atgaattaat tcttagaaaa actcatcgag
     5461 catcaaatga aactgcaatt tattcatatc aggattatca ataccatatt tttgaaaaag
     5521 ccgtttctgt aatgaaggag aaaactcacc gaggcagttc cataggatgg caagatcctg
     5581 gtatcggtct gcgattccga ctcgtccaac atcaatacaa cctattaatt tcccctcgtc
     5641 aaaaataagg ttatcaagtg agaaatcacc atgagtgacg actgaatccg gtgagaatgg
     5701 caaaagttta tgcatttctt tccagacttg ttcaacaggc cagccattac gctcgtcatc
     5761 aaaatcactc gcatcaacca aaccgttatt cattcgtgat tgcgcctgag cgagacgaaa
     5821 tacgcgatcg ctgttaaaag gacaattaca aacaggaatc gaatgcaacc ggcgcaggaa
     5881 cactgccagc gcatcaacaa tattttcacc tgaatcagga tattcttcta atacctggaa
     5941 tgctgttttc ccggggatcg cagtggtgag taaccatgca tcatcaggag tacggataaa
     6001 atgcttgatg gtcggaagag gcataaattc cgtcagccag tttagtctga ccatctcatc
     6061 tgtaacatca ttggcaacgc tacctttgcc atgtttcaga aacaactctg gcgcatcggg
     6121 cttcccatac aatcgataga ttgtcgcacc tgattgcccg acattatcgc gagcccattt
     6181 atacccatat aaatcagcat ccatgttgga atttaatcgc ggcctagagc aagacgtttc
     6241 ccgttgaata tggctcataa caccccttgt attactgttt atgtaagcag acagttttat
     6301 tgttcatgac caaaatccct taacgtgagt tttcgttcca ctgagcgtca gaccccgtag
     6361 aaaagatcaa aggatcttc
//
