LOCUS       pTXB1.        6706 bp DNA     circular SYN 01-JAN-1980
DEFINITION  Bacterial expression vector that encodes a thiol-cleavable 
            C-terminal intein followed by a chitin-binding domain.
ACCESSION   .
VERSION     .
KEYWORDS    pTXB1
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 6706)
  AUTHORS   Southworth MW, Amaya K, Evans TC, Xu MQ, Perler FB.
  TITLE     Purification of proteins fused to either the amino or carboxy 
            terminus of the Mycobacterium xenopi gyrase A intein.
  JOURNAL   BioTechniques 1999;27:110-4, 116, 118-20.
  PUBMED    10407673
REFERENCE   2  (bases 1 to 6706)
  AUTHORS   New England Biolabs
  TITLE     Direct Submission
REFERENCE   3  (bases 1 to 6706)
  AUTHORS   .
  TITLE     Direct Submission
COMMENT     SGRef: number: 1; type: "Journal Article"; journalName: 
            "BioTechniques"; date: "1999"; volume: "27"; pages: "110-4, 116, 
            118-20"
COMMENT     SGRef: number: 2; type: "Journal Article"
COMMENT     Clone between the NdeI and SapI sites to generate a fusion protein 
            that can be isolated with no added amino acids.
FEATURES             Location/Qualifiers
     source          1..6706
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     promoter        35..139
                     /label=AmpR promoter
     CDS             140..997
                     /label=AmpR
                     /note="beta-lactamase"
     rep_origin      complement(1042..1555)
                     /direction=LEFT
                     /label=M13 ori
                     /note="M13 bacteriophage origin of replication; arrow
                     indicates direction of (+) strand synthesis"
     rep_origin      1666..2254
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     CDS             complement(2626..2814)
                     /label=rop
                     /note="Rop protein, which maintains plasmids at low copy
                     number"
     protein_bind    complement(3337..3358)
                     /label=CAP binding site
                     /note="CAP binding activates transcription in the presence
                     of cAMP."
     CDS             complement(3374..4453)
                     /label=lacI
                     /note="lac repressor"
     promoter        complement(4454..4531)
                     /label=lacI promoter
     terminator      4684..4770
                     /label=rrnB T1 terminator
                     /note="transcription terminator T1 from the E. coli rrnB
                     gene"
     terminator      4867..4953
                     /gene="Escherichia coli rrnB"
                     /label=Escherichia coli rrnB terminator
                     /note="rrnB T1 terminator"
                     /note="transcription terminator T1 from the E. coli rrnB
                     gene"
     terminator      5050..5136
                     /gene="Escherichia coli rrnB"
                     /label=Escherichia coli rrnB terminator
                     /note="rrnB T1 terminator"
                     /note="transcription terminator T1 from the E. coli rrnB
                     gene"
     terminator      5233..5319
                     /gene="Escherichia coli rrnB"
                     /label=Escherichia coli rrnB terminator
                     /note="rrnB T1 terminator"
                     /note="transcription terminator T1 from the E. coli rrnB
                     gene"
     terminator      complement(5419..5462)
                     /label=rrnB T1 terminator
                     /note="transcription terminator T1 from the E. coli rrnB
                     gene"
     promoter        5637..5655
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     protein_bind    5656..5680
                     /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)."
     RBS             5695..5717
                     /label=RBS
                     /note="efficient ribosome binding site from bacteriophage
                     T7 gene 10 (Olins and Rangwala, 1989)"
     misc_feature    5722..5775
                     /label=MCS
                     /note="MCS"
                     /note="multiple cloning site"
     CDS             5725..5727
                     /codon_start=1
                     /product="start codon"
                     /label=start codon
                     /note="ATG"
                     /translation="M"
     CDS             5776..6369
                     /label=Mxe GyrA intein
                     /note="modified GyrA intein (Southworth et al., 1999)"
     CDS             6400..6555
                     /label=CBD
                     /note="chitin binding domain from chitinase A1 (Watanabe et
                     al., 1994)"
     terminator      6634..6681
                     /label=T7 terminator
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
ORIGIN
        1 aactacgtca ggtggcactt ttcggggaaa tgtgcgcgga acccctattt gtttattttt
       61 ctaaatacat tcaaatatgt atccgctcat gagacaataa ccctgataaa tgcttcaata
      121 atattgaaaa aggaagagta tgagtattca acatttccgt gtcgccctta ttcccttttt
      181 tgcggcattt tgccttcctg tttttgctca cccagaaacg ctggtgaaag taaaagatgc
      241 tgaagatcag ttgggtgcac gagtgggtta catcgaactg gatctcaaca gcggtaagat
      301 ccttgagagt tttcgccccg aagaacgttc tccaatgatg agcactttta aagttctgct
      361 atgtggcgcg gtattatccc gtgttgacgc cgggcaagag caactcggtc gccgcataca
      421 ctattctcag aatgacttgg ttgagtactc accagtcaca gaaaagcatc ttacggatgg
      481 catgacagta agagaattat gcagtgctgc cataaccatg agtgataaca ctgcggccaa
      541 cttacttctg acaacgatcg gaggaccgaa ggagctaacc gcttttttgc acaacatggg
      601 ggatcatgta actcgccttg atcgttggga accggagctg aatgaagcca taccaaacga
      661 cgagcgtgac accacgatgc ctgtagcaat ggcaacaacg ttgcgcaaac tattaactgg
      721 cgaactactt actctagctt cccggcaaca attaatagac tggatggagg cggataaagt
      781 tgcaggacca cttctgcgct cggcccttcc ggctggctgg tttattgctg ataaatctgg
      841 agccggtgag cgtgggtctc gcggtatcat tgcagcactg gggccagatg gtaagccctc
      901 ccgtatcgta gttatctaca cgacggggag tcaggcaact atggatgaac gaaatagaca
      961 gatcgctgag ataggtgcct cactgattaa gcattggtaa ctgtcagacc aagtttactc
     1021 atatatactt tagattgatt taccccggtt gataatcaga aaagccccaa aaacaggaag
     1081 attgtataag caaatattta aattgtaaac gttaatattt tgttaaaatt cgcgttaaat
     1141 ttttgttaaa tcagctcatt ttttaaccaa taggccgaaa tcggcaaaat cccttataaa
     1201 tcaaaagaat agcccgagat agggttgagt gttgttccag tttggaacaa gagtccacta
     1261 ttaaagaacg tggactccaa cgtcaaaggg cgaaaaaccg tctatcaggg cgatggccca
     1321 ctacgtgaac catcacccaa atcaagtttt ttggggtcga ggtgccgtaa agcactaaat
     1381 cggaacccta aagggagccc ccgatttaga gcttgacggg gaaagccggc gaacgtggcg
     1441 agaaaggaag ggaagaaagc gaaaggagcg ggcgctaggg cgctggcaag tgtagcggtc
     1501 acgctgcgcg taaccaccac acccgccgcg cttaatgcgc cgctacaggg cgcgtaaaag
     1561 gatctaggtg aagatccttt ttgataatct catgaccaaa atcccttaac gtgagttttc
     1621 gttccactga gcgtcagacc ccgtagaaaa gatcaaagga tcttcttgag atcctttttt
     1681 tctgcgcgta atctgctgct tgcaaacaaa aaaaccaccg ctaccagcgg tggtttgttt
     1741 gccggatcaa gagctaccaa ctctttttcc gaaggtaact ggcttcagca gagcgcagat
     1801 accaaatact gtccttctag tgtagccgta gttaggccac cacttcaaga actctgtagc
     1861 accgcctaca tacctcgctc tgctaatcct gttaccagtg gctgctgcca gtggcgataa
     1921 gtcgtgtctt accgggttgg actcaagacg atagttaccg gataaggcgc agcggtcggg
     1981 ctgaacgggg ggttcgtgca cacagcccag cttggagcga acgacctaca ccgaactgag
     2041 atacctacag cgtgagctat gagaaagcgc cacgcttccc gaagggagaa aggcggacag
     2101 gtatccggta agcggcaggg tcggaacagg agagcgcacg agggagcttc cagggggaaa
     2161 cgcctggtat ctttatagtc ctgtcgggtt tcgccacctc tgacttgagc gtcgattttt
     2221 gtgatgctcg tcaggggggc ggagcctatg gaaaaacgcc agcaacgcgg cctttttacg
     2281 gttcctggcc ttttgctggc cttttgctca catgttcttt cctgcgttat cccctgattc
     2341 tgtggataac cgtattaccg cctttgagtg agctgatacc gctcgccgca gccgaacgac
     2401 cgagcgcagc gagtcagtga gcgaggaagc tatggtgcac tctcagtaca atctgctctg
     2461 atgccgcata gttaagccag tatacactcc gctatcgcta cgtgactggg tcatggctgc
     2521 gccccgacac ccgccaacac ccgctgacgc gccctgacgg gcttgtctgc tcccggcatc
     2581 cgcttacaga caagctgtga ccgtctccgg gagctgcatg tgtcagaggt tttcaccgtc
     2641 atcaccgaaa cgcgcgaggc agctgcggta aagctcatca gcgtggtcgt gcagcgattc
     2701 acagatgtct gcctgttcat ccgcgtccag ctcgttgagt ttctccagaa gcgttaatgt
     2761 ctggcttctg ataaagcggg ccatgttaag ggcggttttt tcctgtttgg tcactgatgc
     2821 ctccgtgtaa gggggatttc tgttcatggg ggtaatgata ccgatgaaac gagagaggat
     2881 gctcacgata cgggttactg atgatgaaca tgcccggtta ctggaacgtt gtgagggtaa
     2941 acaactggcg gtatggatgc ggcgggacca gagaaaaatc actcagggtc aatgccagcc
     3001 gaacgccagc aagacgtagc ccagcgcgtc ggccgccatg ccggcgataa tggcctgctt
     3061 ctcgccgaaa cgtttggtgg cgggaccagt gacgaaggct tgagcgaggg cgtgcaagat
     3121 tccgaatacc gcaagcgaca ggccgatcat cgtcgcgctc cagcgaaagc ggtcctcgcc
     3181 gaaaatgacc cagagcgctg ccggcacctg tcctacgagt tgcatgataa agaagacagt
     3241 cataagtgcg gcgacgatag tcatgccccg cgcccaccgg aaggagctga ctgggttgaa
     3301 ggctctcaag ggcatcggtc gagatcccgg tgcctaatga gtgagctaac ttacattaat
     3361 tgcgttgcgc tcactgcccg ctttccagtc gggaaacctg tcgtgccagc tgcattaatg
     3421 aatcggccaa cgcgcgggga gaggcggttt gcgtattggg cgccagggtg gtttttcttt
     3481 tcaccagtga gacgggcaac agctgattgc ccttcaccgc ctggccctga gagagttgca
     3541 gcaagcggtc cacgctggtt tgccccagca ggcgaaaatc ctgtttgatg gtggttaacg
     3601 gcgggatata acatgagctg tcttcggtat cgtcgtatcc cactaccgag atatccgcac
     3661 caacgcgcag cccggactcg gtaatggcgc gcattgcgcc cagcgccatc tgatcgttgg
     3721 caaccagcat cgcagtggga acgatgccct cattcagcat ttgcatggtt tgttgaaaac
     3781 cggacatggc actccagtcg ccttcccgtt ccgctatcgg ctgaatttga ttgcgagtga
     3841 gatatttatg ccagccagcc agacgcagac gcgccgagac agaacttaat gggcccgcta
     3901 acagcgcgat ttgctggtga cccaatgcga ccagatgctc cacgcccagt cgcgtaccgt
     3961 cttcatggga gaaaataata ctgttgatgg gtgtctggtc agagacatca agaaataacg
     4021 ccggaacatt agtgcaggca gcttccacag caatggcatc ctggtcatcc agcggatagt
     4081 taatgatcag cccactgacg cgttgcgcga gaagattgtg caccgccgct ttacaggctt
     4141 cgacgccgct tcgttctacc atcgacacca ccacgctggc acccagttga tcggcgcgag
     4201 atttaatcgc cgcgacaatt tgcgacggcg cgtgcagggc cagactggag gtggcaacgc
     4261 caatcagcaa cgactgtttg cccgccagtt gttgtgccac gcggttggga atgtaattca
     4321 gctccgccat cgccgcttcc actttttccc gcgttttcgc agaaacgtgg ctggcctggt
     4381 tcaccacgcg ggaaacggtc tgataagaga caccggcata ctctgcgaca tcgtataacg
     4441 ttactggttt cacattcacc accctgaatt gactctcttc cgggcgctat catgccatac
     4501 cgcgaaaggt tttgcgccat tcgatggtgt ccgggatctc gacgctctcc cttatgcgac
     4561 tcctgcatta ggaagcagcc cagtagtagg ttgaggccgt tgagcaccgc cgccgcaagg
     4621 aatggtgcat gccggcatgc cgccctttcg tcttcaagaa ttaattccca attccccagg
     4681 catcaaataa aacgaaaggc tcagtcgaaa gactgggcct ttcgttttat ctgttgtttg
     4741 tcggtgaacg ctctcctgag taggacaaat ccgccgggag cggatttgaa cgttgcgaag
     4801 caacggcccg gagggtggcg ggcaggacgc ccgccataaa ctgccaggaa ttaattcccc
     4861 aggcatcaaa taaaacgaaa ggctcagtcg aaagactggg cctttcgttt tatctgttgt
     4921 ttgtcggtga acgctctcct gagtaggaca aatccgccgg gagcggattt gaacgttgcg
     4981 aagcaacggc ccggagggtg gcgggcagga cgcccgccat aaactgccag gaattaattc
     5041 cccaggcatc aaataaaacg aaaggctcag tcgaaagact gggcctttcg ttttatctgt
     5101 tgtttgtcgg tgaacgctct cctgagtagg acaaatccgc cgggagcgga tttgaacgtt
     5161 gcgaagcaac ggcccggagg gtggcgggca ggacgcccgc cataaactgc caggaattaa
     5221 ttccccaggc atcaaataaa acgaaaggct cagtcgaaag actgggcctt tcgttttatc
     5281 tgttgtttgt cggtgaacgc tctcctgagt aggacaaatc cgccgggagc ggatttgaac
     5341 gttgcgaagc aacggcccgg agggtggcgg gcaggacgcc cgccataaac tgccaggaat
     5401 taattcccca ggcatcaaat aaaacgaaag gctcagtcga aagactgggc ctttcgtttt
     5461 atctgttgtt tgtcggtgaa cgctctcctg agtaggacaa atccgccggg agcggatttg
     5521 aacgttgcga agcaacggcc cggagggtgg cgggcaggac gcccgccata aactgccagg
     5581 aattggggat cggaattaat tcccggttta aaccggggat ctcgatcccg cgaaattaat
     5641 acgactcact ataggggaat tgtgagcgga taacaattcc cctctagaaa taattttgtt
     5701 taactttaag aaggagatat acatatggct agctcgcgag tcgacggcgg ccgcgaattc
     5761 ctcgagggct cttcctgcat cacgggagat gcactagttg ccctacccga gggcgagtcg
     5821 gtacgcatcg ccgacatcgt gccgggtgcg cggcccaaca gtgacaacgc catcgacctg
     5881 aaagtccttg accggcatgg caatcccgtg ctcgccgacc ggctgttcca ctccggcgag
     5941 catccggtgt acacggtgcg tacggtcgaa ggtctgcgtg tgacgggcac cgcgaaccac
     6001 ccgttgttgt gtttggtcga cgtcgccggg gtgccgaccc tgctgtggaa gctgatcgac
     6061 gaaatcaagc cgggcgatta cgcggtgatt caacgcagcg cattcagcgt cgactgtgca
     6121 ggttttgccc gcgggaaacc cgaatttgcg cccacaacct acacagtcgg cgtccctgga
     6181 ctggtgcgtt tcttggaagc acaccaccga gacccggacg cccaagctat cgccgacgag
     6241 ctgaccgacg ggcggttcta ctacgcgaaa gtcgccagtg tcaccgacgc cggcgtgcag
     6301 ccggtgtata gccttcgtgt cgacacggca gaccacgcgt ttatcacgaa cgggttcgtc
     6361 agccacgcta ctggcctcac cggtctgaac tcaggcctca cgacaaatcc tggtgtatcc
     6421 gcttggcagg tcaacacagc ttatactgcg ggacaattgg tcacatataa cggcaagacg
     6481 tataaatgtt tgcagcccca cacctccttg gcaggatggg aaccatccaa cgttcctgcc
     6541 ttgtggcagc ttcaatgact gcaggaaggg gatccggctg ctaacaaagc ccgaaaggaa
     6601 gctgagttgg ctgctgccac cgctgagcaa taactagcat aaccccttgg ggcctctaaa
     6661 cgggtcttga ggggtttttt gctgaaagga ggaactatat ccggat
//
