LOCUS       sequence-471039-        7017 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Maltose binding protein N-terminally fused to His-tagged CLmN split 
            intein.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 7017)
  AUTHORS   Humberg C, Yilmaz Z, Fitzian K, Dorner W, Kummel D, Mootz HD
  TITLE     A cysteine-less and ultra-fast split intein rationally engineered 
            from being aggregation-prone to highly efficient in protein 
            trans-splicing.
  JOURNAL   Nat Commun. 2025 Mar 19;16(1):2723. doi: 10.1038/s41467-025-57596-x.
  PUBMED    40108172
REFERENCE   2  (bases 1 to 7017)
  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: "2025-03-19"; volume: "16(1):2723. doi"; pages: " 
            10.1038/s41467-025-57596-x"
COMMENT     Sequence Label: pMAL-c2X_MBP-CLmN-H6
FEATURES             Location/Qualifiers
     source          1..7017
                     /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="MKTEEGKLVIWINGDKGYNGLAEVGKKFEKDTGIKVTVEHPDKLE
                     EKFPQVAATGDGPDIIFWAHDRFGGYAQSGLLAEITPDKAFQDKLYPFTWDAVRYNGKL
                     IAYPIAVEALSLIYNKDLLPNPPKTWEEIPALDKELKAKGKSALMFNLQEPYFTWPLIA
                     ADGGYAFKYENGKYDIKDVGVDNAGAKAGLTFLVDLIKNKHMNADTDYSIAEAAFNKGE
                     TAMTINGPWAWSNIDTSKVNYGVTVLPTFKGQPSKPFVGVLSAGINAASPNKELAKEFL
                     ENYLLTDEGLEAVNKDKPLGAVALKSYEEELAKDPRIAATMENAQKGEIMPNIPQMSAF
                     WYAVRTAVINAASGRQTVDEALKDAQT"
     regulatory      2485..2494
                     /label=Kozak sequence
                     /note="vertebrate consensus sequence for strong initiation 
                     of translation (Kozak, 1987)"
                     /regulatory_class="other"
     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             3082..3099
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /label=6xHis
                     /translation="HHHHHH"
     primer_bind     complement(3110..3127)
                     /label=M13 Forward
                     /note="In lacZ gene. Also called M13-F20 or M13 (-21) 
                     Forward"
     primer_bind     complement(3110..3126)
                     /label=M13 fwd
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(3119..3141)
                     /label=M13/pUC Forward
                     /note="In lacZ gene"
     primer_bind     complement(3305..3322)
                     /label=pBAD Reverse
                     /note="For vectors with E. coli araBAD promoter, reverse 
                     primer"
     terminator      3475..3561
                     /gene="Escherichia coli rrnB"
                     /label=rrnB T1 terminator
                     /note="transcription terminator T1 from the E. coli rrnB 
                     gene"
     terminator      3653..3680
                     /label=rrnB T2 terminator
                     /note="transcription terminator T2 from the E. coli rrnB 
                     gene"
     promoter        3699..3790
                     /gene="bla"
                     /label=AmpR promoter
     CDS             join(3791..3859,3860..4651)
                     /codon_start=1
                     /gene="bla"
                     /product="beta-lactamase"
                     /label=AmpR
                     /note="confers resistance to ampicillin, carbenicillin, and
                     related antibiotics"
                     /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
                     ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRVDAGQEQLGRRIHYSQNDLVEYS
                     PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
                     EPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
                     LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
                     LIKHW"
     primer_bind     complement(4009..4028)
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     rep_origin      complement(4693..5206)
                     /direction=LEFT
                     /label=M13 ori
                     /note="M13 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(4888..4909)
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     primer_bind     5100..5119
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     rep_origin      5317..5905
                     /direction=RIGHT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     5806..5825
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     primer_bind     6059..6076
                     /label=L4440
                     /note="L4440 vector, forward primer"
     misc_feature    6091..6231
                     /label=bom
                     /note="basis of mobility region from pBR322"
     primer_bind     complement(6157..6176)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
     primer_bind     6317..6339
                     /label=pGEX 3'
                     /note="pGEX vectors, reverse primer"
     CDS             complement(6333..6524)
                     /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 tatctcggta 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 atagattatg aaaactgaag 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 tgccgccacc 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 tatattgata ccgatagcgt tgtgggcgat accattattg atgttagcgg caaaaaaatg
     2761 accattgccg agttttatga tagcacaccg gatgttttta tgcgtcgtaa tgatgaagca
     2821 cgtgattggg ttaaacgtgt tggtggtaaa accagcctga gcgttaatac ctatagcggt
     2881 gaagttgaac gcaaaaacat caactacatc atgaaacata aagtgaaaaa acgcatgcac
     2941 aaaatcaaag ccggtggcaa agaagtgatt gttaccgcag atcattcagt gatggtgaaa
     3001 cgtgatggca aaatcattga tgtgaaaccg accgaaatga aacagaccga tcgtgttgtt
     3061 aaatggaacc tgaccggatc ccatcatcat caccatcatt aagcttggca ctggccgtcg
     3121 ttttacaacg tcgtgactgg gaaaaccctg gcgttaccca acttaatcgc cttgcagcac
     3181 atcccccttt cgccagctgg cgtaatagcg aagaggcccg caccgatcgc ccttcccaac
     3241 agttgcgcag cctgaatggc gaatggcagc ttggctgttt tggcggatga gataagattt
     3301 tcagcctgat acagattaaa tcagaacgca gaagcggtct gataaaacag aatttgcctg
     3361 gcggcagtag cgcggtggtc ccacctgacc ccatgccgaa ctcagaagtg aaacgccgta
     3421 gcgccgatgg tagtgtgggg tctccccatg cgagagtagg gaactgccag gcatcaaata
     3481 aaacgaaagg ctcagtcgaa agactgggcc tttcgtttta tctgttgttt gtcggtgaac
     3541 gctctcctga gtaggacaaa tccgccggga gcggatttga acgttgcgaa gcaacggccc
     3601 ggagggtggc gggcaggacg cccgccataa actgccaggc atcaaattaa gcagaaggcc
     3661 atcctgacgg atggcctttt tgcgtttcta caaactcttt tgtttatttt tctaaataca
     3721 ttcaaatatg tatccgctca tgagacaata accctgataa atgcttcaat aatattgaaa
     3781 aaggaagagt atgagtattc aacatttccg tgtcgccctt attccctttt ttgcggcatt
     3841 ttgccttcct gtttttgctc acccagaaac gctggtgaaa gtaaaagatg ctgaagatca
     3901 gttgggtgca cgagtgggtt acatcgaact ggatctcaac agcggtaaga tccttgagag
     3961 ttttcgcccc gaagaacgtt tcccaatgat gagcactttt aaagttctgc tatgtggcgc
     4021 ggtattatcc cgtgttgacg ccgggcaaga gcaactcggt cgccgcatac actattctca
     4081 gaatgacttg gttgagtact caccagtcac agaaaagcat cttacggatg gcatgacagt
     4141 aagagaatta tgcagtgctg ccataaccat gagtgataac actgcggcca acttacttct
     4201 gacaacgatc ggaggaccga aggagctaac cgcttttttg cacaacatgg gggatcatgt
     4261 aactcgcctt gatcgttggg aaccggagct gaatgaagcc ataccaaacg acgagcgtga
     4321 caccacgatg cctgtagcaa tggcaacaac gttgcgcaaa ctattaactg gcgaactact
     4381 tactctagct tcccggcaac aattaataga ctggatggag gcggataaag ttgcaggacc
     4441 acttctgcgc tcggcccttc cggctggctg gtttattgct gataaatctg gagccggtga
     4501 gcgtgggtct cgcggtatca ttgcagcact ggggccagat ggtaagccct cccgtatcgt
     4561 agttatctac acgacgggga gtcaggcaac tatggatgaa cgaaatagac agatcgctga
     4621 gataggtgcc tcactgatta agcattggta actgtcagac caagtttact catatatact
     4681 ttagattgat ttaccccggt tgataatcag aaaagcccca aaaacaggaa gattgtataa
     4741 gcaaatattt aaattgtaaa cgttaatatt ttgttaaaat tcgcgttaaa tttttgttaa
     4801 atcagctcat tttttaacca ataggccgaa atcggcaaaa tcccttataa atcaaaagaa
     4861 tagcccgaga tagggttgag tgttgttcca gtttggaaca agagtccact attaaagaac
     4921 gtggactcca acgtcaaagg gcgaaaaacc gtctatcagg gcgatggccc actacgtgaa
     4981 ccatcaccca aatcaagttt tttggggtcg aggtgccgta aagcactaaa tcggaaccct
     5041 aaagggagcc cccgatttag agcttgacgg ggaaagccgg cgaacgtggc gagaaaggaa
     5101 gggaagaaag cgaaaggagc gggcgctagg gcgctggcaa gtgtagcggt cacgctgcgc
     5161 gtaaccacca cacccgccgc gcttaatgcg ccgctacagg gcgcgtaaaa ggatctaggt
     5221 gaagatcctt tttgataatc tcatgaccaa aatcccttaa cgtgagtttt cgttccactg
     5281 agcgtcagac cccgtagaaa agatcaaagg atcttcttga gatccttttt ttctgcgcgt
     5341 aatctgctgc ttgcaaacaa aaaaaccacc gctaccagcg gtggtttgtt tgccggatca
     5401 agagctacca actctttttc cgaaggtaac tggcttcagc agagcgcaga taccaaatac
     5461 tgtccttcta gtgtagccgt agttaggcca ccacttcaag aactctgtag caccgcctac
     5521 atacctcgct ctgctaatcc tgttaccagt ggctgctgcc agtggcgata agtcgtgtct
     5581 taccgggttg gactcaagac gatagttacc ggataaggcg cagcggtcgg gctgaacggg
     5641 gggttcgtgc acacagccca gcttggagcg aacgacctac accgaactga gatacctaca
     5701 gcgtgagcta tgagaaagcg ccacgcttcc cgaagggaga aaggcggaca ggtatccggt
     5761 aagcggcagg gtcggaacag gagagcgcac gagggagctt ccagggggaa acgcctggta
     5821 tctttatagt cctgtcgggt ttcgccacct ctgacttgag cgtcgatttt tgtgatgctc
     5881 gtcagggggg cggagcctat ggaaaaacgc cagcaacgcg gcctttttac ggttcctggc
     5941 cttttgctgg ccttttgctc acatgttctt tcctgcgtta tcccctgatt ctgtggataa
     6001 ccgtattacc gcctttgagt gagctgatac cgctcgccgc agccgaacga ccgagcgcag
     6061 cgagtcagtg agcgaggaag cggaagagcg cctgatgcgg tattttctcc ttacgcatct
     6121 gtgcggtatt tcacaccgca tatggtgcac tctcagtaca atctgctctg atgccgcata
     6181 gttaagccag tatacactcc gctatcgcta cgtgactggg tcatggctgc gccccgacac
     6241 ccgccaacac ccgctgacgc gccctgacgg gcttgtctgc tcccggcatc cgcttacaga
     6301 caagctgtga ccgtctccgg gagctgcatg tgtcagaggt tttcaccgtc atcaccgaaa
     6361 cgcgcgaggc agctgcggta aagctcatca gcgtggtcgt gcagcgattc acagatgtct
     6421 gcctgttcat ccgcgtccag ctcgttgagt ttctccagaa gcgttaatgt ctggcttctg
     6481 ataaagcggg ccatgttaag ggcggttttt tcctgtttgg tcactgatgc ctccgtgtaa
     6541 gggggatttc tgttcatggg ggtaatgata ccgatgaaac gagagaggat gctcacgata
     6601 cgggttactg atgatgaaca tgcccggtta ctggaacgtt gtgagggtaa acaactggcg
     6661 gtatggatgc ggcgggacca gagaaaaatc actcagggtc aatgccagcg cttcgttaat
     6721 acagatgtag gtgttccaca gggtagccag cagcatcctg cgatgcagat ccggaacata
     6781 atggtgcagg gcgctgactt ccgcgtttcc agactttacg aaacacggaa accgaagacc
     6841 attcatgttg ttgctcaggt cgcagacgtt ttgcagcagc agtcgcttca cgttcgctcg
     6901 cgtatcggtg attcattctg ctaaccagta aggcaacccc gccagcctag ccgggtcctc
     6961 aacgacagga gcacgatcat gcgcacccgt ggccaggacc caacgctgcc cgaaatt
//
