LOCUS       40924_29761        5752 bp DNA     circular SYN 01-JAN-1980
DEFINITION  Bacterial vector for inducible periplasmic expression of 
            maltose-binding protein (MBP) fusions with a Factor Xa cleavage 
            site.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 5752)
  AUTHORS   Riggs P.
  TITLE     Expression and purification of maltose-binding protein fusions.
  JOURNAL   Curr Protoc Mol Biol 2001;Chapter 16:Unit16.6.
  PUBMED    18265133
REFERENCE   2  (bases 1 to 5752)
  AUTHORS   New England Biolabs
  TITLE     Direct Submission
REFERENCE   3  (bases 1 to 5752)
  AUTHORS   .
  TITLE     Direct Submission
COMMENT     SGRef: number: 1; type: "Journal Article"; journalName: "Curr Protoc
            Mol Biol"; date: "2001"; volume: "Chapter 16"; pages: "Unit16.6"
COMMENT     SGRef: number: 2; type: "Journal Article"
FEATURES             Location/Qualifiers
     source          1..5752
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     promoter        3..80
                     /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..1160
                     /codon_start=1
                     /label=lacI
                     /note="lac repressor"
                     /translation="VKPVTLYDVAEYAGVSYQTVSRVVNQASHVSAKTREKVEAAMAEL
                     NYIPNRVAQQLAGKQSLLIGVATSSLALHAPSQIVAAIKSRADQLGASVVVSMVERSGV
                     EACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAACTNVPALFLDVSDQTPINSIIFSH
                     EDGTRLGVEHLVALGHQQIALLAGPLSSVSARLRLAGWHKYLTRNQIQPIAEREGDWSA
                     MSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITESGLRVGADISVVGYDDTEDSSC
                     YIPPLTTIKQDFRLLGQTSVDRLLQLSQGQAVKGNQLLPVSLVKRKTTLAPNTQTASPR
                     ALADSLMQLARQVSRLESGQ"
     protein_bind    1176..1197
                     /label=CAP binding site
                     /note="CAP binding activates transcription in the presence
                     of cAMP."
     promoter        1406..1434
                     /label=tac promoter
                     /note="strong E. coli promoter; hybrid between the trp and
                     lac UV5 promoters"
     protein_bind    1442..1458
                     /label=lac operator
                     /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)."
     CDS             1528..2703
                     /codon_start=1
                     /label=MBP
                     /note="maltose binding protein from E. coli"
                     /translation="MKIKTGARILALSALTTMMFSASALAKIEEGKLVIWINGDKGYNG
                     LAEVGKKFEKDTGIKVTVEHPDKLEEKFPQVAATGDGPDIIFWAHDRFGGYAQSGLLAE
                     ITPDKAFQDKLYPFTWDAVRYNGKLIAYPIAVEALSLIYNKDLLPNPPKTWEEIPALDK
                     ELKAKGKSALMFNLQEPYFTWPLIAADGGYAFKYENGKYDIKDVGVDNAGAKAGLTFLV
                     DLIKNKHMNADTDYSIAEAAFNKGETAMTINGPWAWSNIDTSKVNYGVTVLPTFKGQPS
                     KPFVGVLSAGINAASPNKELAKEFLENYLLTDEGLEAVNKDKPLGAVALKSYEEELVKD
                     PRIAATMENAQKGEIMPNIPQMSAFWYAVRTAVINAASGRQTVDEALKDAQT"
     CDS             2752..2763
                     /codon_start=1
                     /label=Factor Xa site
                     /note="Factor Xa recognition and cleavage site"
                     /translation="IEGR"
     terminator      2838..2924
                     /label=rrnB T1 terminator
                     /note="transcription terminator T1 from the E. coli rrnB
                     gene"
     terminator      3016..3043
                     /label=rrnB T2 terminator
                     /note="transcription terminator T2 from the E. coli rrnB
                     gene"
     promoter        3070..3161
                     /label=AmpR promoter
     CDS             3162..4019
                     /codon_start=1
                     /label=AmpR
                     /note="beta-lactamase"
                     /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
                     ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRVDAGQEQLGRRIHYSQNDLVEYS
                     PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
                     EPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
                     LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
                     LIKHW"
     rep_origin      4110..4698
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     CDS             complement(5071..5259)
                     /codon_start=1
                     /label=rop
                     /note="Rop protein, which maintains plasmids at low copy
                     number"
                     /translation="VTKQEKTALNMARFIRSQTLTLLEKLNELDADEQADICESLHDHA
                     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 tatttcggta 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 gcaattgacc aacaaggacc atagattatg aaaataaaaa caggtgcacg catcctcgca
     1561 ttatccgcat taacgacgat gatgttttcc gcctcggctc tcgccaaaat cgaagaaggt
     1621 aaactggtaa tctggattaa cggcgataaa ggctataacg gtctcgctga agtcggtaag
     1681 aaattcgaga aagataccgg aattaaagtc accgttgagc atccggataa actggaagag
     1741 aaattcccac aggttgcggc aactggcgat ggccctgaca ttatcttctg ggcacacgac
     1801 cgctttggtg gctacgctca atctggcctg ttggctgaaa tcaccccgga caaagcgttc
     1861 caggacaagc tgtatccgtt tacctgggat gccgtacgtt acaacggcaa gctgattgct
     1921 tacccgatcg ctgttgaagc gttatcgctg atttataaca aagatctgct gccgaacccg
     1981 ccaaaaacct gggaagagat cccggcgctg gataaagaac tgaaagcgaa aggtaagagc
     2041 gcgctgatgt tcaacctgca agaaccgtac ttcacctggc cgctgattgc tgctgacggg
     2101 ggttatgcgt tcaagtatga aaacggcaag tacgacatta aagacgtggg cgtggataac
     2161 gctggcgcga aagcgggtct gaccttcctg gttgacctga ttaaaaacaa acacatgaat
     2221 gcagacaccg attactccat cgcagaagct gcctttaata aaggcgaaac agcgatgacc
     2281 atcaacggcc cgtgggcatg gtccaacatc gacaccagca aagtgaatta tggtgtaacg
     2341 gtactgccga ccttcaaggg tcaaccatcc aaaccgttcg ttggcgtgct gagcgcaggt
     2401 attaacgccg ccagtccgaa caaagagctg gcaaaagagt tcctcgaaaa ctatctgctg
     2461 actgatgaag gtctggaagc ggttaataaa gacaaaccgc tgggtgccgt agcgctgaag
     2521 tcttacgagg aagagttggt gaaagatccg cgtattgccg ccactatgga aaacgcccag
     2581 aaaggtgaaa tcatgccgaa catcccgcag atgtccgctt tctggtatgc cgtgcgtact
     2641 gcggtgatca acgccgccag cggtcgtcag actgtcgatg aagccctgaa agacgcgcag
     2701 actaattcga gctcgaacaa caacaacaat aacaataaca acaacctcgg gatcgaggga
     2761 aggatttcac atatgtccat gggcggccgc gatatcgtcg acggatccga attccctgca
     2821 ggtaattaaa taagcttcaa ataaaacgaa aggctcagtc gaaagactgg gcctttcgtt
     2881 ttatctgttg tttgtcggtg aacgctctcc tgagtaggac aaatccgccg ggagcggatt
     2941 tgaacgttgc gaagcaacgg cccggagggt ggcgggcagg acgcccgcca taaactgcca
     3001 ggcatcaaat taagcagaag gccatcctga cggatggcct ttttgcgttt ctacaaactc
     3061 tttcggtccg ttgtttattt ttctaaatac attcaaatat gtatccgctc atgagacaat
     3121 aaccctgata aatgcttcaa taatattgaa aaaggaagag tatgagtatt caacatttcc
     3181 gtgtcgccct tattcccttt tttgcggcat tttgccttcc tgtttttgct cacccagaaa
     3241 cgctggtgaa agtaaaagat gctgaagatc agttgggtgc acgagtgggt tacatcgaac
     3301 tggatctcaa cagcggtaag atccttgaga gttttcgccc cgaagaacgt ttcccaatga
     3361 tgagcacttt taaagttctg ctatgtggcg cggtattatc ccgtgttgac gccgggcaag
     3421 agcaactcgg tcgccgcata cactattctc agaatgactt ggttgagtac tcaccagtca
     3481 cagaaaagca tcttacggat ggcatgacag taagagaatt atgcagtgct gccataacca
     3541 tgagtgataa cactgcggcc aacttacttc tgacaacgat cggaggaccg aaggagctaa
     3601 ccgctttttt gcacaacatg ggggatcatg taactcgcct tgatcgttgg gaaccggagc
     3661 tgaatgaagc cataccaaac gacgagcgtg acaccacgat gcctgtagca atggcaacaa
     3721 cgttgcgcaa actattaact ggcgaactac ttactctagc ttcccggcaa caattaatag
     3781 actggatgga ggcggataaa gttgcaggac cacttctgcg ctcggccctt ccggctggct
     3841 ggtttattgc tgataaatct ggagccggtg agcgtgggtc tcgcggtatc attgcagcac
     3901 tggggccaga tggtaagccc tcccgtatcg tagttatcta cacgacgggg agtcaggcaa
     3961 ctatggatga acgaaataga cagatcgctg agataggtgc ctcactgatt aagcattggt
     4021 aactgtcaga ccaagtttac tcatatatac tttagattga tttccttagg actgagcgtc
     4081 aaccccgtag aaaagatcaa aggatcttct tgagatcctt tttttctgcg cgtaatctgc
     4141 tgcttgcaaa caaaaaaacc accgctacca gcggtggttt gtttgccgga tcaagagcta
     4201 ccaactcttt ttccgaaggt aactggcttc agcagagcgc agataccaaa tactgtcctt
     4261 ctagtgtagc cgtagttagg ccaccacttc aagaactctg tagcaccgcc tacatacctc
     4321 gctctgctaa tcctgttacc agtggctgct gccagtggcg ataagtcgtg tcttaccggg
     4381 ttggactcaa gacgatagtt accggataag gcgcagcggt cgggctgaac ggggggttcg
     4441 tgcacacagc ccagcttgga gcgaacgacc tacaccgaac tgagatacct acagcgtgag
     4501 ctatgagaaa gcgccacgct tcccgaaggg agaaaggcgg acaggtatcc ggtaagcggc
     4561 agggtcggaa caggagagcg cacgagggag cttccagggg gaaacgcctg gtatctttat
     4621 agtcctgtcg ggtttcgcca cctctgactt gagcgtcgat ttttgtgatg ctcgtcaggg
     4681 gggcggagcc tatggaaaaa cgccagcaac gcggcctttt tacggttcct ggccttttgc
     4741 tggccttttg ctcacatgtt ctttcctgcg ttatcccctg attctgtgga taaccgtatt
     4801 accgcctttg agtgagctga taccgctcgc cgcagccgaa cgaccgagcg cagcgagtca
     4861 gtgagcgagg aagcggaaga gcgcctgatg cggtattttc tccttacgca tctgtgcggt
     4921 atttcacacc gcatataagg tgcactgtga ctgggtcatg gctgcgcccc gacacccgcc
     4981 aacacccgct gacgcgccct gacgggcttg tctgctcccg gcatccgctt acagacaagc
     5041 tgtgaccgtc tccgggagct gcatgtgtca gaggttttca ccgtcatcac cgaaacgcgc
     5101 gaggcagctg cggtaaagct catcagcgtg gtcgtgcagc gattcacaga tgtctgcctg
     5161 ttcatccgcg tccagctcgt tgagtttctc cagaagcgtt aatgtctggc ttctgataaa
     5221 gcgggccatg ttaagggcgg ttttttcctg tttggtcact gatgcctccg tgtaaggggg
     5281 atttctgttc atgggggtaa tgataccgat gaaacgagag aggatgctca cgatacgggt
     5341 tactgatgat gaacatgccc ggttactgga acgttgtgag ggtaaacaac tggcggtatg
     5401 gatgcggcgg gaccagagaa aaatcactca gggtcaatgc cagcgcttcg ttaatacaga
     5461 tgtaggtgtt ccacagggta gccagcagca tcctgcgatg cagatccgga acataatggt
     5521 gcagggcgct gacttccgcg tttccagact ttacgaaaca cggaaaccga agaccattca
     5581 tgttgttgct caggtcgcag acgttttgca gcagcagtcg cttcacgttc gctcgcgtat
     5641 cggtgattca ttctgctaac cagtaaggca accccgccag cctagccggg tcctcaacga
     5701 caggagcacg atcatgcgca cccgtggcca ggacccaacg ctgcccgaaa tt
//
