LOCUS       pTYB21.        7514 bp DNA     circular SYN 01-JAN-1980
DEFINITION  Bacterial expression vector that encodes a thiol-cleavable 
            N-terminal intein with a chitin-binding domain.
ACCESSION   .
VERSION     .
KEYWORDS    pTYB21.
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 7514)
  AUTHORS   Chong S, Montello GE, Zhang A, Cantor EJ, Liao W, Xu MQ, Benner J.
  TITLE     Utilizing the C-terminal cleavage activity of a protein splicing 
            element to purify recombinant proteins in a single chromatographic 
            step.
  JOURNAL   Nucleic Acids Res. 1998;26:5109-15.
  PUBMED    9801307
REFERENCE   2  (bases 1 to 7514)
  AUTHORS   New England Biolabs
  TITLE     Direct Submission
REFERENCE   3  (bases 1 to 7514)
  AUTHORS   .
  TITLE     Direct Submission
COMMENT     SGRef: number: 1; type: "Journal Article"; journalName: "Nucleic 
            Acids Res."; date: "1998"; volume: "26"; pages: "5109-15"
COMMENT     SGRef: number: 2; type: "Journal Article"
COMMENT     Clone with the SapI site to generate a fusion protein that can be 
            isolated with no added amino acids.
FEATURES             Location/Qualifiers
     source          1..7514
                     /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)"
     CDS             5725..5754
                     /codon_start=1
                     /product="N-terminal peptide from mature maltose-binding
                     protein"
                     /label=N-terminal peptide from mature maltose-binding
                     /note="MBP peptide"
                     /translation="MKIEEGKLVI"
     CDS             5770..6588
                     /label=Sce VMA intein 5' region
                     /note="5' region of the intein from the yeast Vma1 subunit
                     of the vacuolar ATPase (Chong et al., 1998)"
     CDS             6592..6747
                     /label=CBD
                     /note="chitin binding domain from chitinase A1 (Watanabe et
                     al., 1994)"
     CDS             6751..7299
                     /label=Sce VMA intein 3' region
                     /note="modified 3' region of the intein from the yeast Vma1
                     subunit of the vacuolar ATPase (Chong et al., 1998)"
     misc_feature    7300..7377
                     /label=MCS
                     /note="MCS"
                     /note="multiple cloning site"
     terminator      7442..7489
                     /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 aagaacgttt cccaatgatg 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 atgtccgcac
     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 acttatgaaa atcgaagaag gtaaactggt aatcggttcc
     5761 ctggagggtt gctttgccaa gggtaccaat gttttaatgg cggatgggtc tattgaatgt
     5821 attgaaaaca ttgaggttgg taataaggtc atgggtaaag atggcagacc tcgtgaggta
     5881 attaaattgc ccagaggaag agaaactatg tacagcgtcg tgcagaaaag tcagcacaga
     5941 gcccacaaaa gtgactcaag tcgtgaagtg ccagaattac tcaagtttac gtgtaatgcg
     6001 acccatgagt tggttgttag aacacctcgt agtgtccgcc gtttgtctcg taccattaag
     6061 ggtgtcgaat attttgaagt tattactttt gagatgggcc aaaagaaagc ccccgacggt
     6121 agaattgttg agcttgtcaa ggaagtttca aagagctacc caatatctga ggggcctgag
     6181 agagccaacg aattagtaga atcctataga aaggcttcaa ataaagctta ttttgagtgg
     6241 actattgagg ccagagatct ttctctgttg ggttcccatg ttcgtaaagc tacctaccag
     6301 acttacgctc caattcttta tgagaatgac cactttttcg actacatgca aaaaagtaag
     6361 tttcatctca ccattgaagg tccaaaagta cttgcttatt tacttggttt atggattggt
     6421 gatggattgt ctgacagggc aactttttcg gttgattcca gagatacttc tttgatggaa
     6481 cgtgttactg aatatgctga aaagttgaat ttgtgcgccg agtataagga cagaaaagaa
     6541 ccacaagttg ccaaaactgt taatttgtac tctaaagttg tcagaggtgc tagcacaaat
     6601 cctggtgtat ccgcttggca ggtcaacaca gcttatactg cgggacaatt ggtcacatat
     6661 aacggcaaga cgtataaatg tttgcagccc cacacctcct tggcaggatg ggaaccatcc
     6721 aacgttcctg ccttgtggca gcttcaaggt ggccacggtg gtattcgcaa taatcttaat
     6781 actgagaatc cattatggga cgctattgtt ggcttaggat tcttgaagga cggtgtcaaa
     6841 aatattcctt ctttcttgtc tacggacaat atcggtactc gtgaaacatt tcttgctggt
     6901 ctaattgatt ctgatggcta tgttactgat gagcatggta ttaaagcaac aataaagaca
     6961 attcatactt ctgtcagaga tggtttggtt tcccttgctc gttctttagg cttagtagtc
     7021 tcggttaacg cagaacctgc taaggttgac atgaatgtca ccaaacataa aattagttat
     7081 gctatttata tgtctggtgg agatgttttg cttaacgttc tttcgaagtg tgccggctct
     7141 aaaaaattca ggcctgctcc cgccgctgct tttgcacgtg agtgccgcgg attttatttc
     7201 gagttacaag aattgaagga agacgattat tatgggatta ctttatctga tgattctgat
     7261 catcagtttt tgcttggatc tcaggttgtt gtacagaacg gaagagctca tatgtccatg
     7321 ggcggccgcg atatcgtcga cggatccgaa ttccctgcag gtaattaaat aactagttga
     7381 tccggctgct aacaaagccc gaaaggaagc tgagttggct gctgccaccg ctgagcaata
     7441 actagcataa ccccttgggg cctctaaacg ggtcttgagg ggttttttgc tgaaaggagg
     7501 aactatatcc ggat
//
