LOCUS       sequence-306817-        6893 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Bacterial expression of MTn.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 6893)
  AUTHORS   Jiang Z, Jin X, Li Y, Liu S, Liu XM, Wang YY, Zhao P, Cai X, Liu Y, 
            Tang Y, Sun X, Liu Y, Hu Y, Li M, Cai G, Qi X, Chen S, Du LL, He W
  TITLE     Genetically encoded tags for direct synthesis of EM-visible gold 
            nanoparticles in cells.
  JOURNAL   Nat Methods. 2020 Sep;17(9):937-946. doi: 10.1038/s41592-020-0911-z.
            Epub 2020 Aug 10.
  PUBMED    32778831
REFERENCE   2  (bases 1 to 6893)
  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: 
            "10.1038/s41592-020-0911-z"; journalName: "Nat Methods"; date: 
            "2020-09"; volume: "17"; issue: "9"; pages: "937-946"
COMMENT     Sequence Label: pMAL-C2X dAmp/Kana+-MTn
FEATURES             Location/Qualifiers
     source          1..6893
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     promoter        3..80
                     /gene="lacI (mutant)"
                     /label=lacIq promoter
                     /note="In the lacIq allele, a single base change in the 
                     promoter boosts expression of the lacI gene about 10-fold."
     CDS             81..1163
                     /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     complement(100..119)
                     /label=LacI-R
                     /note="LacI, reverse primer"
     promoter        join(1406..1411,1412..1427,1428..1434)
                     /label=tac promoter
                     /note="strong E. coli promoter; hybrid between the trp and 
                     lac UV5 promoters"
     protein_bind    1442..1458
                     /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)."
     primer_bind     1447..1469
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     CDS             1528..2628
                     /codon_start=1
                     /gene="malE (mutated)"
                     /product="maltose binding protein from E. coli"
                     /label=MBP
                     /note="This version of the gene does not encode a signal 
                     sequence, so MBP will remain in the cytosol."
                     /translation="MKIEEGKLVIWINGDKGYNGLAEVGKKFEKDTGIKVTVEHPDKLE
                     EKFPQVAATGDGPDIIFWAHDRFGGYAQSGLLAEITPDKAFQDKLYPFTWDAVRYNGKL
                     IAYPIAVEALSLIYNKDLLPNPPKTWEEIPALDKELKAKGKSALMFNLQEPYFTWPLIA
                     ADGGYAFKYENGKYDIKDVGVDNAGAKAGLTFLVDLIKNKHMNADTDYSIAEAAFNKGE
                     TAMTINGPWAWSNIDTSKVNYGVTVLPTFKGQPSKPFVGVLSAGINAASPNKELAKEFL
                     ENYLLTDEGLEAVNKDKPLGAVALKSYEEELAKDPRIAATMENAQKGEIMPNIPQMSAF
                     WYAVRTAVINAASGRQTVDEALKDAQT"
     primer_bind     2602..2625
                     /label=MBP-F
                     /note="Maltose binding protein, forward primer"
     CDS             2677..2688
                     /codon_start=1
                     /product="Factor Xa recognition and cleavage site"
                     /label=Factor Xa site
                     /translation="IEGR"
     CDS             2701..2724
                     /codon_start=1
                     /product="recognition and cleavage site for human 
                     rhinovirus 3C and PreScission proteases"
                     /label=HRV 3C site
                     /translation="LEVLFQGP"
     CDS             2917..2934
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /label=6xHis
                     /translation="HHHHHH"
     primer_bind     complement(2947..2964)
                     /label=M13 Forward
                     /note="In lacZ gene. Also called M13-F20 or M13 (-21) 
                     Forward"
     primer_bind     complement(2947..2963)
                     /label=M13 fwd
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(2956..2978)
                     /label=M13/pUC Forward
                     /note="In lacZ gene"
     primer_bind     complement(3142..3159)
                     /label=pBAD Reverse
                     /note="For vectors with E. coli araBAD promoter, reverse 
                     primer"
     terminator      3312..3398
                     /gene="Escherichia coli rrnB"
                     /label=rrnB T1 terminator
                     /note="transcription terminator T1 from the E. coli rrnB 
                     gene"
     terminator      3490..3517
                     /label=rrnB T2 terminator
                     /note="transcription terminator T2 from the E. coli rrnB 
                     gene"
     CDS             complement(3601..4416)
                     /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
                     TAFQVLEEYPDSGENIVDALAVFLRRLHSILVCNCPFNSDRVFRLAQAQSRMNNGLVDA
                     SDFDDERNGWPVEQVWKEMHKLLPFSPDSVVTHGDFSLDNLIFDEGKLIGCIDVGRVGI
                     ADRYQDLAILWNCLGEFSPSLQKRLFQKYGIDNPDMNKLQFHLMLDEFF"
     primer_bind     4324..4343
                     /label=Kan-R
                     /note="Kanamycin resistance gene, reverse primer"
     primer_bind     4408..4427
                     /label=pENTR-R
                     /note="pENTR vectors, reverse primer"
     rep_origin      complement(4567..5080)
                     /direction=LEFT
                     /label=M13 ori
                     /note="M13 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(4762..4783)
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     primer_bind     4974..4993
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     rep_origin      5191..5779
                     /direction=RIGHT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     5680..5699
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     primer_bind     5933..5950
                     /label=L4440
                     /note="L4440 vector, forward primer"
     misc_feature    5965..6107
                     /label=bom
                     /note="basis of mobility region from pBR322"
     primer_bind     complement(6033..6052)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
     primer_bind     6193..6215
                     /label=pGEX 3'
                     /note="pGEX vectors, reverse primer"
     CDS             complement(6209..6400)
                     /codon_start=1
                     /gene="rop"
                     /product="Rop protein, which maintains plasmids at low copy
                     number"
                     /label=rop
                     /translation="MTKQEKTALNMARFIRSQTLTLLEKLNELDADEQADICESLHDHA
                     DELYRSCLARFGDDGENL"
ORIGIN
        1 ccgacaccat cgaatggtgc aaaacctttc gcggtatggc atgatagcgc ccggaagaga
       61 gtcaattcag ggtggtgaat gtgaaaccag taacgttata cgatgtcgca gagtatgccg
      121 gtgtctctta tcagaccgtt tcccgcgtgg tgaaccaggc cagccacgtt tctgcgaaaa
      181 cgcgggaaaa agtggaagcg gcgatggcgg agctgaatta cattcccaac cgcgtggcac
      241 aacaactggc gggcaaacag tcgttgctga ttggcgttgc cacctccagt ctggccctgc
      301 acgcgccgtc gcaaattgtc gcggcgatta aatctcgcgc cgatcaactg ggtgccagcg
      361 tggtggtgtc gatggtagaa cgaagcggcg tcgaagcctg taaagcggcg gtgcacaatc
      421 ttctcgcgca acgcgtcagt gggctgatca ttaactatcc gctggatgac caggatgcca
      481 ttgctgtgga agctgcctgc actaatgttc cggcgttatt tcttgatgtc tctgaccaga
      541 cacccatcaa cagtattatt ttctcccatg aagacggtac gcgactgggc gtggagcatc
      601 tggtcgcatt gggtcaccag caaatcgcgc tgttagcggg cccattaagt tctgtctcgg
      661 cgcgtctgcg tctggctggc tggcataaat atctcactcg caatcaaatt cagccgatag
      721 cggaacggga aggcgactgg agtgccatgt ccggttttca acaaaccatg caaatgctga
      781 atgagggcat cgttcccact gcgatgctgg ttgccaacga tcagatggcg ctgggcgcaa
      841 tgcgcgccat taccgagtcc gggctgcgcg ttggtgcgga tatctcagta gtgggatacg
      901 acgataccga agacagctca tgttatatcc cgccgttaac caccatcaaa caggattttc
      961 gcctgctggg gcaaaccagc gtggaccgct tgctgcaact ctctcagggc caggcggtga
     1021 agggcaatca gctgttgccc gtctcactgg tgaaaagaaa aaccaccctg gcgcccaata
     1081 cgcaaaccgc ctctccccgc gcgttggccg attcattaat gcagctggca cgacaggttt
     1141 cccgactgga aagcgggcag tgagcgcaac gcaattaatg taagttagct cactcattag
     1201 gcacaattct catgtttgac agcttatcat cgactgcacg gtgcaccaat gcttctggcg
     1261 tcaggcagcc atcggaagct gtggtatggc tgtgcaggtc gtaaatcact gcataattcg
     1321 tgtcgctcaa ggcgcactcc cgttctggat aatgtttttt gcgccgacat cataacggtt
     1381 ctggcaaata ttctgaaatg agctgttgac aattaatcat cggctcgtat aatgtgtgga
     1441 attgtgagcg gataacaatt tcacacagga aacagccagt ccgtttaggt gttttcacga
     1501 gcacttcacc aacaaggacc atagcatatg aaaatcgaag aaggtaaact ggtaatctgg
     1561 attaacggcg ataaaggcta taacggtctc gctgaagtcg gtaagaaatt cgagaaagat
     1621 accggaatta aagtcaccgt tgagcatccg gataaactgg aagagaaatt cccacaggtt
     1681 gcggcaactg gcgatggccc tgacattatc ttctgggcac acgaccgctt tggtggctac
     1741 gctcaatctg gcctgttggc tgaaatcacc ccggacaaag cgttccagga caagctgtat
     1801 ccgtttacct gggatgccgt acgttacaac ggcaagctga ttgcttaccc gatcgctgtt
     1861 gaagcgttat cgctgattta taacaaagat ctgctgccga acccgccaaa aacctgggaa
     1921 gagatcccgg cgctggataa agaactgaaa gcgaaaggta agagcgcgct gatgttcaac
     1981 ctgcaagaac cgtacttcac ctggccgctg attgctgctg acgggggtta tgcgttcaag
     2041 tatgaaaacg gcaagtacga cattaaagac gtgggcgtgg ataacgctgg cgcgaaagcg
     2101 ggtctgacct tcctggttga cctgattaaa aacaaacaca tgaatgcaga caccgattac
     2161 tccatcgcag aagctgcctt taataaaggc gaaacagcga tgaccatcaa cggcccgtgg
     2221 gcatggtcca acatcgacac cagcaaagtg aattatggtg taacggtact gccgaccttc
     2281 aagggtcaac catccaaacc gttcgttggc gtgctgagcg caggtattaa cgccgccagt
     2341 ccgaacaaag agctggcaaa agagttcctc gaaaactatc tgctgactga tgaaggtctg
     2401 gaagcggtta ataaagacaa accgctgggt gccgtagcgc tgaagtctta cgaggaagag
     2461 ttggcgaaag atccacgtat tgccgccact atggaaaacg cccagaaagg tgaaatcatg
     2521 ccgaacatcc cgcagatgtc cgctttctgg tatgccgtgc gtactgcggt gatcaacgcc
     2581 gccagcggtc gtcagactgt cgatgaagcc ctgaaagacg cgcagactaa ttcgagctcg
     2641 aacaacaaca acaataacaa taacaacaac ctcgggatcg agggaaggat ttcagaattc
     2701 ctggaagttc tgttccaggg gcccatggac cccgcctgtg cgtgtgcagc cggcggcgct
     2761 tgcgcttgcg caggcgcttg cgcctgcgca gcatgcgcat gtgccgcttg cgcagcaagc
     2821 tgctgcgcct gctgtcccgt gggctgcgcc gcatgtgccg caggctgtgt ctgcgcaggc
     2881 gccgcggacg cgtgcgcgtg ctgtgccggc ggtagccacc accaccacca ccactaaaag
     2941 cttggcactg gccgtcgttt tacaacgtcg tgactgggaa aaccctggcg ttacccaact
     3001 taatcgcctt gcagcacatc cccctttcgc cagctggcgt aatagcgaag aggcccgcac
     3061 cgatcgccct tcccaacagt tgcgcagcct gaatggcgaa tggcagcttg gctgttttgg
     3121 cggatgagat aagattttca gcctgataca gattaaatca gaacgcagaa gcggtctgat
     3181 aaaacagaat ttgcctggcg gcagtagcgc ggtggtccca cctgacccca tgccgaactc
     3241 agaagtgaaa cgccgtagcg ccgatggtag tgtggggtct ccccatgcga gagtagggaa
     3301 ctgccaggca tcaaataaaa cgaaaggctc agtcgaaaga ctgggccttt cgttttatct
     3361 gttgtttgtc ggtgaacgct ctcctgagta ggacaaatcc gccgggagcg gatttgaacg
     3421 ttgcgaagca acggcccgga gggtggcggg caggacgccc gccataaact gccaggcatc
     3481 aaattaagca gaaggccatc ctgacggatg gcctttttgc gtttctacaa actcttttgt
     3541 ttatttttct aaatacattc aaatatgtat ccgctcggta ccccgctcat gaattaattc
     3601 ttagaaaaac tcatcgagca tcaaatgaaa ctgcaattta ttcatatcag gattatcaat
     3661 accatatttt tgaaaaagcc gtttctgtaa tgaaggagaa aactcaccga ggcagttcca
     3721 taggatggca agatcctggt atcggtctgc gattccgact cgtccaacat caatacaacc
     3781 tattaatttc ccctcgtcaa aaataaggtt atcaagtgag aaatcaccat gagtgacgac
     3841 tgaatccggt gagaatggca aaagtttatg catttctttc cagacttgtt caacaggcca
     3901 gccattacgc tcgtcatcaa aatcactcgc atcaaccaaa ccgttattca ttcgtgattg
     3961 cgcctgagcg agacgaaata cgcgatcgct gttaaaagga caattacaaa caagaatcga
     4021 atgcaaccgg cgcaggaaca ctgccagcgc atcaacaata ttttcacctg aatcaggata
     4081 ttcttctaat acctggaatg ctgttttccc ggggatcgca gtggtgagta accatgcatc
     4141 atcaggagta cggataaaat gcttgatggt cggaagaggc ataaattcgg tcagccagtt
     4201 tagtctgacc atctcatctg taacatcatt ggcaacgcta cctttgccat gtttcagaaa
     4261 caactctggc gcatcgggct tcccatacaa tcgatagatt gtcgcacctg attgcccgac
     4321 attatcgcga gcccatttat acccatataa atcagcatcc atgttggagt ttaatcgcgg
     4381 cctagagcaa gacgtttccc gttgaatatg gctcataaca ccccttgtat tactgtttat
     4441 gtaagcagac agttttattg ttcatgacca aaatccctta acgtgagttt tcgttccact
     4501 gagcgtcaga ccccgtagac catggctgtc agaccaagtt tactcatata tactttagat
     4561 tgatttaccc cggttgataa tcagaaaagc cccaaaaaca ggaagattgt ataagcaaat
     4621 atttaaattg taaacgttaa tattttgtta aaattcgcgt taaatttttg ttaaatcagc
     4681 tcatttttta accaataggc cgaaatcggc aaaatccctt ataaatcaaa agaatagacc
     4741 gagatagggt tgagtgttgt tccagtttgg aacaagagtc cactattaaa gaacgtggac
     4801 tccaacgtca aagggcgaaa aaccgtctat cagggcgatg gcccactacg tgaaccatca
     4861 cccaaatcaa gttttttggg gtcgaggtgc cgtaaagcac taaatcggaa ccctaaaggg
     4921 agcccccgat ttagagcttg acggggaaag ccggcgaacg tggcgagaaa ggaagggaag
     4981 aaagcgaaag gagcgggcgc tagggcgctg gcaagtgtag cggtcacgct gcgcgtaacc
     5041 accacacccg ccgcgcttaa tgcgccgcta cagggcgcgt aaaaggatct aggtgaagat
     5101 cctttttgat aatctcatga ccaaaatccc ttaacgtgag ttttcgttcc actgagcgtc
     5161 agaccccgta gaaaagatca aaggatcttc ttgagatcct ttttttctgc gcgtaatctg
     5221 ctgcttgcaa acaaaaaaac caccgctacc agcggtggtt tgtttgccgg atcaagagct
     5281 accaactctt tttccgaagg taactggctt cagcagagcg cagataccaa atactgtcct
     5341 tctagtgtag ccgtagttag gccaccactt caagaactct gtagcaccgc ctacatacct
     5401 cgctctgcta atcctgttac cagtggctgc tgccagtggc gataagtcgt gtcttaccgg
     5461 gttggactca agacgatagt taccggataa ggcgcagcgg tcgggctgaa cggggggttc
     5521 gtgcacacag cccagcttgg agcgaacgac ctacaccgaa ctgagatacc tacagcgtga
     5581 gctatgagaa agcgccacgc ttcccgaagg gagaaaggcg gacaggtatc cggtaagcgg
     5641 cagggtcgga acaggagagc gcacgaggga gcttccaggg ggaaacgcct ggtatcttta
     5701 tagtcctgtc gggtttcgcc acctctgact tgagcgtcga tttttgtgat gctcgtcagg
     5761 ggggcggagc ctatggaaaa acgccagcaa cgcggccttt ttacggttcc tggccttttg
     5821 ctggcctttt gctcacatgt tctttcctgc gttatcccct gattctgtgg ataaccgtat
     5881 taccgccttt gagtgagctg ataccgctcg ccgcagccga acgaccgagc gcagcgagtc
     5941 agtgagcgag gaagcggaag agcgcctgat gcggtatttt ctccttacgc atctgtgcgg
     6001 tatttcacac cgcatatatg gtgcactctc agtacaatct gctctgatgc cgcatagtta
     6061 agccagtata cactccgcta tcgctacgtg actgggtcat ggctgcgccc cgacacccgc
     6121 caacacccgc tgacgcgccc tgacgggctt gtctgctccc ggcatccgct tacagacaag
     6181 ctgtgaccgt ctccgggagc tgcatgtgtc agaggttttc accgtcatca ccgaaacgcg
     6241 cgaggcagct gcggtaaagc tcatcagcgt ggtcgtgcag cgattcacag atgtctgcct
     6301 gttcatccgc gtccagctcg ttgagtttct ccagaagcgt taatgtctgg cttctgataa
     6361 agcgggccat gttaagggcg gttttttcct gtttggtcac tgatgcctcc gtgtaagggg
     6421 gatttctgtt catgggggta atgataccga tgaaacgaga gaggatgctc acgatacggg
     6481 ttactgatga tgaacatgcc cggttactgg aacgttgtga gggtaaacaa ctggcggtat
     6541 ggatgcggcg ggaccagaga aaaatcactc agggtcaatg ccagcgcttc gttaatacag
     6601 atgtaggtgt tccacagggt agccagcagc atcctgcgat gcagatccgg aacataatgg
     6661 tgcagggcgc tgacttccgc gtttccagac tttacgaaac acggaaaccg aagaccattc
     6721 atgttgttgc tcaggtcgca gacgttttgc agcagcagtc gcttcacgtt cgctcgcgta
     6781 tcggtgattc attctgctaa ccagtaaggc aaccccgcca gcctagccgg gtcctcaacg
     6841 acaggagcac gatcatgcgc acccgtggcc aggacccaac gctgcccgaa att
//
