LOCUS       sequence-291956-        7843 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  E. coli expression clone (T7lac promoter) for mature HtrA (aa 
            28-474) from B. burgdorferi with N-terminal PelB signal peptide + 
            His10 + mature maltose binding protein + TEV protease cleavage.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 7843)
  AUTHORS   Robertson KE, Truong CD, Craciunescu FM, Chiu PL, Fromme P, Hansen 
            DT
  TITLE     Membrane directed expression in Escherichia coli of BBA57 and other 
            virulence factors from the Lyme disease agent Borrelia burgdorferi.
  JOURNAL   Sci Rep. 2019 Nov 26;9(1):17606. doi: 10.1038/s41598-019-53830-x.
  PUBMED    31772280
REFERENCE   2  (bases 1 to 7843)
  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: "Sci Rep."; 
            date: "2019-11-26"; volume: "9(1):17606. doi"; pages: " 
            10.1038/s41598-019-53830-x"
COMMENT     Sequence Label: pelB-MBP-HtrA-ss
FEATURES             Location/Qualifiers
     source          1..7843
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     rep_origin      13..468
                     /direction=RIGHT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(100..119)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     primer_bind     310..331
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     CDS             complement(560..1375)
                     /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(560..1375)
                     /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     1283..1302
                     /label=Kan-R
                     /note="Kanamycin resistance gene, reverse primer"
     primer_bind     1367..1386
                     /label=pENTR-R
                     /note="pENTR vectors, reverse primer"
     rep_origin      1497..2085
                     /direction=RIGHT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     1986..2005
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     primer_bind     2239..2256
                     /label=L4440
                     /note="L4440 vector, forward primer"
     misc_feature    2271..2410
                     /label=bom
                     /note="basis of mobility region from pBR322"
     primer_bind     complement(2336..2355)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
     primer_bind     2496..2518
                     /label=pGEX 3'
                     /note="pGEX vectors, reverse primer"
     CDS             complement(2512..2703)
                     /codon_start=1
                     /gene="rop"
                     /product="Rop protein, which maintains plasmids at low copy
                     number"
                     /label=rop
                     /translation="MTKQEKTALNMARFIRSQTLTLLEKLNELDADEQADICESLHDHA
                     DELYRSCLARFGDDGENL"
     CDS             complement(3512..4594)
                     /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     4556..4575
                     /label=LacI-R
                     /note="LacI, reverse primer"
     promoter        complement(4595..4672)
                     /gene="lacI"
                     /label=lacI promoter
     primer_bind     4878..4897
                     /label=pBRrevBam
                     /note="pBR322 vectors, tet region, downstream of BamHI, 
                     reverse primer"
     primer_bind     4981..5000
                     /label=T7
                     /note="T7 promoter, forward primer"
     promoter        4981..4999
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     protein_bind    5000..5024
                     /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             5039..5061
                     /note="efficient ribosome binding site from bacteriophage 
                     T7 gene 10 (Olins and Rangwala, 1989)"
     sig_peptide     5069..5134
                     /codon_start=1
                     /gene="pelB (fragment)"
                     /product="leader peptide for secretion"
                     /label=pelB signal sequence
                     /translation="MKYLLPTAAAGLLLLAAQPAMA"
     CDS             5174..5203
                     /codon_start=1
                     /product="10xHis affinity tag"
                     /label=10xHis
                     /translation="HHHHHHHHHH"
     CDS             5207..6307
                     /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     6281..6304
                     /label=MBP-F
                     /note="Maltose binding protein, forward primer"
     CDS             6317..6337
                     /codon_start=1
                     /product="tobacco etch virus (TEV) protease recognition and
                     cleavage site"
                     /label=TEV site
                     /translation="ENLYFQA"
     CDS             7688..7705
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /label=6xHis
                     /translation="HHHHHH"
     primer_bind     complement(7758..7776)
                     /label=T7 Term
                     /note="T7 terminator, reverse primer"
     terminator      7772..7819
                     /label=T7 terminator
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
ORIGIN
        1 ttggcgaatg ggacgcgccc tgtagcggcg cattaagcgc ggcgggtgtg gtggttacgc
       61 gcagcgtgac cgctacactt gccagcgccc tagcgcccgc tcctttcgct ttcttccctt
      121 cctttctcgc cacgttcgcc ggctttcccc gtcaagctct aaatcggggg ctccctttag
      181 ggttccgatt tagtgcttta cggcacctcg accccaaaaa acttgattag ggtgatggtt
      241 cacgtagtgg gccatcgccc tgatagacgg tttttcgccc tttgacgttg gagtccacgt
      301 tctttaatag tggactcttg ttccaaactg gaacaacact caaccctatc tcggtctatt
      361 cttttgattt ataagggatt ttgccgattt cggcctattg gttaaaaaat gagctgattt
      421 aacaaaaatt taacgcgaat tttaacaaaa tattaacgct tacaatttag gtggcacttt
      481 tcggggaaat gtgcgcggaa cccctatttg tttatttttc taaatacatt caaatatgta
      541 tccgctcatg aattaattct tagaaaaact catcgagcat caaatgaaac tgcaatttat
      601 tcatatcagg attatcaata ccatattttt gaaaaagccg tttctgtaat gaaggagaaa
      661 actcaccgag gcagttccat aggatggcaa gatcctggta tcggtctgcg attccgactc
      721 gtccaacatc aatacaacct attaatttcc cctcgtcaaa aataaggtta tcaagtgaga
      781 aatcaccatg agtgacgact gaatccggtg agaatggcaa aagtttatgc atttctttcc
      841 agacttgttc aacaggccag ccattacgct cgtcatcaaa atcactcgca tcaaccaaac
      901 cgttattcat tcgtgattgc gcctgagcga gacgaaatac gcgatcgctg ttaaaaggac
      961 aattacaaac aggaatcgaa tgcaaccggc gcaggaacac tgccagcgca tcaacaatat
     1021 tttcacctga atcaggatat tcttctaata cctggaatgc tgttttcccg gggatcgcag
     1081 tggtgagtaa ccatgcatca tcaggagtac ggataaaatg cttgatggtc ggaagaggca
     1141 taaattccgt cagccagttt agtctgacca tctcatctgt aacatcattg gcaacgctac
     1201 ctttgccatg tttcagaaac aactctggcg catcgggctt cccatacaat cgatagattg
     1261 tcgcacctga ttgcccgaca ttatcgcgag cccatttata cccatataaa tcagcatcca
     1321 tgttggaatt taatcgcggc ctagagcaag acgtttcccg ttgaatatgg ctcataacac
     1381 cccttgtatt actgtttatg taagcagaca gttttattgt tcatgaccaa aatcccttaa
     1441 cgtgagtttt cgttccactg agcgtcagac cccgtagaaa agatcaaagg atcttcttga
     1501 gatccttttt ttctgcgcgt aatctgctgc ttgcaaacaa aaaaaccacc gctaccagcg
     1561 gtggtttgtt tgccggatca agagctacca actctttttc cgaaggtaac tggcttcagc
     1621 agagcgcaga taccaaatac tgtccttcta gtgtagccgt agttaggcca ccacttcaag
     1681 aactctgtag caccgcctac atacctcgct ctgctaatcc tgttaccagt ggctgctgcc
     1741 agtggcgata agtcgtgtct taccgggttg gactcaagac gatagttacc ggataaggcg
     1801 cagcggtcgg gctgaacggg gggttcgtgc acacagccca gcttggagcg aacgacctac
     1861 accgaactga gatacctaca gcgtgagcta tgagaaagcg ccacgcttcc cgaagggaga
     1921 aaggcggaca ggtatccggt aagcggcagg gtcggaacag gagagcgcac gagggagctt
     1981 ccagggggaa acgcctggta tctttatagt cctgtcgggt ttcgccacct ctgacttgag
     2041 cgtcgatttt tgtgatgctc gtcagggggg cggagcctat ggaaaaacgc cagcaacgcg
     2101 gcctttttac ggttcctggc cttttgctgg ccttttgctc acatgttctt tcctgcgtta
     2161 tcccctgatt ctgtggataa ccgtattacc gcctttgagt gagctgatac cgctcgccgc
     2221 agccgaacga ccgagcgcag cgagtcagtg agcgaggaag cggaagagcg cctgatgcgg
     2281 tattttctcc ttacgcatct gtgcggtatt tcacaccgca atggtgcact ctcagtacaa
     2341 tctgctctga tgccgcatag ttaagccagt atacactccg ctatcgctac gtgactgggt
     2401 catggctgcg ccccgacacc cgccaacacc cgctgacgcg ccctgacggg cttgtctgct
     2461 cccggcatcc gcttacagac aagctgtgac cgtctccggg agctgcatgt gtcagaggtt
     2521 ttcaccgtca tcaccgaaac gcgcgaggca gctgcggtaa agctcatcag cgtggtcgtg
     2581 aagcgattca cagatgtctg cctgttcatc cgcgtccagc tcgttgagtt tctccagaag
     2641 cgttaatgtc tggcttctga taaagcgggc catgttaagg gcggtttttt cctgtttggt
     2701 cactgatgcc tccgtgtaag ggggatttct gttcatgggg gtaatgatac cgatgaaacg
     2761 agagaggatg ctcacgatac gggttactga tgatgaacat gcccggttac tggaacgttg
     2821 tgagggtaaa caactggcgg tatggatgcg gcgggaccag agaaaaatca ctcagggtca
     2881 atgccagcgc ttcgttaata cagatgtagg tgttccacag ggtagccagc agcatcctgc
     2941 gatgcagatc cggaacataa tggtgcaggg cgctgacttc cgcgtttcca gactttacga
     3001 aacacggaaa ccgaagacca ttcatgttgt tgctcaggtc gcagacgttt tgcagcagca
     3061 gtcgcttcac gttcgctcgc gtatcggtga ttcattctgc taaccagtaa ggcaaccccg
     3121 ccagcctagc cgggtcctca acgacaggag cacgatcatg cgcacccgtg gggccgccat
     3181 gccggcgata atggcctgct tctcgccgaa acgtttggtg gcgggaccag tgacgaaggc
     3241 ttgagcgagg gcgtgcaaga ttccgaatac cgcaagcgac aggccgatca tcgtcgcgct
     3301 ccagcgaaag cggtcctcgc cgaaaatgac ccagagcgct gccggcacct gtcctacgag
     3361 ttgcatgata aagaagacag tcataagtgc ggcgacgata gtcatgcccc gcgcccaccg
     3421 gaaggagctg actgggttga aggctctcaa gggcatcggt cgagatcccg gtgcctaatg
     3481 agtgagctaa cttacattaa ttgcgttgcg ctcactgccc gctttccagt cgggaaacct
     3541 gtcgtgccag ctgcattaat gaatcggcca acgcgcgggg agaggcggtt tgcgtattgg
     3601 gcgccagggt ggtttttctt ttcaccagtg agacgggcaa cagctgattg cccttcaccg
     3661 cctggccctg agagagttgc agcaagcggt ccacgctggt ttgccccagc aggcgaaaat
     3721 cctgtttgat ggtggttaac ggcgggatat aacatgagct gtcttcggta tcgtcgtatc
     3781 ccactaccga gatatccgca ccaacgcgca gcccggactc ggtaatggcg cgcattgcgc
     3841 ccagcgccat ctgatcgttg gcaaccagca tcgcagtggg aacgatgccc tcattcagca
     3901 tttgcatggt ttgttgaaaa ccggacatgg cactccagtc gccttcccgt tccgctatcg
     3961 gctgaatttg attgcgagtg agatatttat gccagccagc cagacgcaga cgcgccgaga
     4021 cagaacttaa tgggcccgct aacagcgcga tttgctggtg acccaatgcg accagatgct
     4081 ccacgcccag tcgcgtaccg tcttcatggg agaaaataat actgttgatg ggtgtctggt
     4141 cagagacatc aagaaataac gccggaacat tagtgcaggc agcttccaca gcaatggcat
     4201 cctggtcatc cagcggatag ttaatgatca gcccactgac gcgttgcgcg agaagattgt
     4261 gcaccgccgc tttacaggct tcgacgccgc ttcgttctac catcgacacc accacgctgg
     4321 cacccagttg atcggcgcga gatttaatcg ccgcgacaat ttgcgacggc gcgtgcaggg
     4381 ccagactgga ggtggcaacg ccaatcagca acgactgttt gcccgccagt tgttgtgcca
     4441 cgcggttggg aatgtaattc agctccgcca tcgccgcttc cactttttcc cgcgttttcg
     4501 cagaaacgtg gctggcctgg ttcaccacgc gggaaacggt ctgataagag acaccggcat
     4561 actctgcgac atcgtataac gttactggtt tcacattcac caccctgaat tgactctctt
     4621 ccgggcgcta tcatgccata ccgcgaaagg ttttgcgcca ttcgatggtg tccgggatct
     4681 cgacgctctc ccttatgcga ctcctgcatt aggaagcagc ccagtagtag gttgaggccg
     4741 ttgagcaccg ccgccgcaag gaatggtgca tgcaaggaga tggcgcccaa cagtcccccg
     4801 gccacggggc ctgccaccat acccacgccg aaacaagcgc tcatgagccc gaagtggcga
     4861 gcccgatctt ccccatcggt gatgtcggcg atataggcgc cagcaaccgc acctgtggcg
     4921 ccggtgatgc cggccacgat gcgtccggcg tagaggatcg agatctcgat cccgcgaaat
     4981 taatacgact cactataggg gaattgtgag cggataacaa ttcccctcta gaaataattt
     5041 tgtttaactt taagaaggag atatacatat gaaatacctg ctgccgaccg ctgctgctgg
     5101 tctgctgctt ctcgctgccc agccggcgat ggccatggat atcggaatta attcggatcc
     5161 gaattcgagc tcacatcacc atcaccatca ccatcaccat caccccatga aaatcgaaga
     5221 aggtaaactg gtaatctgga ttaacggcga taaaggctat aacggtctcg ctgaagtcgg
     5281 taagaaattc gagaaagata ccggaattaa agtcaccgtt gagcatccgg ataaactgga
     5341 agagaaattc ccacaggttg cggcaactgg cgatggccct gacattatct tctgggcaca
     5401 cgaccgcttt ggtggctacg ctcaatctgg cctgttggct gaaatcaccc cggacaaagc
     5461 gttccaggac aagctgtatc cgtttacctg ggatgccgta cgttacaacg gcaagctgat
     5521 tgcttacccg atcgctgttg aagcgttatc gctgatttat aacaaagatc tgctgccgaa
     5581 cccgccaaaa acctgggaag agatcccggc gctggataaa gaactgaaag cgaaaggtaa
     5641 gagcgcgctg atgttcaacc tgcaagaacc gtacttcacc tggccgctga ttgctgctga
     5701 cgggggttat gcgttcaagt atgaaaacgg caagtacgac attaaagacg tgggcgtgga
     5761 taacgctggc gcgaaagcgg gtctgacctt cctggttgac ctgattaaaa acaaacacat
     5821 gaatgcagac accgattact ccatcgcaga agctgccttt aataaaggcg aaacagcgat
     5881 gaccatcaac ggcccgtggg catggtccaa catcgacacc agcaaagtga attatggtgt
     5941 aacggtactg ccgaccttca agggtcaacc atccaaaccg ttcgttggcg tgctgagcgc
     6001 aggtattaac gccgccagtc cgaacaaaga gctggcaaaa gagttcctcg aaaactatct
     6061 gctgactgat gaaggtctgg aagcggttaa taaagacaaa ccgctgggtg ccgtagcgct
     6121 gaagtcttac gaggaagagt tggcgaaaga tccacgtatt gccgccacta tggaaaacgc
     6181 ccagaaaggt gaaatcatgc cgaacatccc gcagatgtcc gctttctggt atgccgtgcg
     6241 tactgcggtg atcaacgccg ccagcggtcg tcagactgtc gatgaagccc tgaaagacgc
     6301 gcagactccg ggtagcgaaa acctgtactt ccaagcgagc aaccgtagca acatcgtgtt
     6361 tgcggaggaa aaagataaca ccgttcgtgc gctgcaagac agcttccgtg aggtgagcaa
     6421 gaaaattctg ccgagcagcg ttgaagtgca cgcgaccggt gttattaagc agagctttcc
     6481 gatcccgttc tttttctttg atatgccgga gttcgacagc gaacgtaaaa gcaactgggc
     6541 gggtagcggc gttatcattg gccgtgacag ccagaagaaa agcctgtttt acgtggttac
     6601 caacagccac gtggttgata aggcgaccga gctggaagtg gttagctatg acaagaaaaa
     6661 gcacaaagcg aagctgatcg gtaaagatga gaaaaaggac attgcgctga tcagcttcga
     6721 aagcgacgat gcgaccatta aggtggcgga tctgggcgac agcgataaac tggagatcgg
     6781 tgactgggtg atggcggttg gcagcccgtt ccaatttagc ttcaccgtga ccgcgggtat
     6841 cgttagcggt ctgcagcgta gcgcgaaccc gaacctgcag agccgtaacc tgttcattca
     6901 aaccgatgcg gcgatcaacc gtggtaacag cggcggtccg ctggtgaaca tcaagggtga
     6961 ggttatcggc attaacgcgt ggattgcgag caacagcggc ggtaacatcg gtctgggctt
     7021 tgcgattccg gtgaacaaca tcaaaagcac cgttgacttc tttctgaagg gtaaaaagat
     7081 tgaaagcgcg tggctgggca tcagcttcta cccgctgaaa acccgtgata gcgaggtgct
     7141 gaagagcctg ggtgtggaaa gcaacgacgt tagcgcggcg atcattgcga gcctgtatcc
     7201 gggcagcccg gcggttaaga gcggtctgcg tgcgggcgac atcattatga aagtgaacgg
     7261 tgttagcatg agcgtgtttc aagatgttac cagctatatt agcgacttct acgcgggcga
     7321 gaaggttaac gtggaaatcc tgcgtggcaa cgtgaaaaag aacatcgaga ttgtgctggc
     7381 ggttcgtccg aaagataagg agctgagcag cagcaagatg ctgccgggtt ttgtggttta
     7441 cccgctggtt gaggacatca aagcgcagct gaacctgcgt aactggatta agggtgtggt
     7501 tgtggattac atcgacaaaa acctggcgag caacattaaa atgaagagcg gcgacgtgat
     7561 cctgagcgtt aacagcaaaa gcgtgagcaa cctgcgtgag ttctatgatg cgctggaagt
     7621 tggtaaaaac acctacaaga tcctgcgtgg caacgacagc tttaagatta ccttctaata
     7681 actcgagcac caccaccacc accactgaga tccggctgct aacaaagccc gaaaggaagc
     7741 tgagttggct gctgccaccg ctgagcaata actagcataa ccccttgggg cctctaaacg
     7801 ggtcttgagg ggttttttgc tgaaaggagg aactatatcc gga
//
