下载GeneBank文件(.gb)

LOCUS       Exported                7468 bp ds-DNA    circular SYN 07-2-2014
DEFINITION  Bacterial expression vector with an MBP-TVMV-6xHis-TEV leader and 
            inducible TVMV protease. See also pMCSG19C.
ACCESSION   .
VERSION     .
KEYWORDS    pMCSG19B
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 7468)
  AUTHORS   Donnelly MI, Zhou M, Millard CS, Clancy S, Stols L, Eschenfeldt WH, 
            Collart FR, Joachimiak A.
  TITLE     An expression vector tailored for large-scale, high-throughput 
            purification of recombinant proteins.
  JOURNAL   Protein Expr. Purif. 2006;47:446-54.
  PUBMED    16497515
REFERENCE   2  (bases 1 to 7468)
  AUTHORS   Midwest Center for Structural Genomics
  TITLE     Direct Submission
COMMENT     For ligation-independent cloning (LIC), linearize with SspI and 
            treat with T4 DNA polymerase plus dGTP.
FEATURES             Location/Qualifiers
     source          1..7468
                     /organism="synthetic DNA construct"
                     /lab_host="Escherichia coli"
                     /mol_type="other DNA"
     terminator      26..73
                     /note="T7 terminator"
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
     CDS             complement(140..157)
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /note="6xHis"
                     /translation="HHHHHH"
     CDS             complement(223..243)
                     /codon_start=1
                     /product="tobacco etch virus (TEV) protease recognition and
                     cleavage site"
                     /note="TEV site"
                     /translation="ENLYFQS"
     CDS             complement(268..285)
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /note="6xHis"
                     /translation="HHHHHH"
     CDS             complement(286..306)
                     /codon_start=1
                     /product="tobacco vein mottling virus (TVMV) NIa protease 
                     recognition and cleavage site"
                     /note="TVMV site"
                     /translation="ETVRFQS"
     CDS             complement(343..1443)
                     /codon_start=1
                     /gene="malE (mutated)"
                     /product="maltose binding protein from E. coli"
                     /note="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"
     RBS             1452..1457
                     /note="ribosome binding site"
     protein_bind    1488..1512
                     /bound_moiety="lac repressor encoded by lacI"
                     /note="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)."
     promoter        complement(1513..1531)
                     /note="T7 promoter"
                     /note="promoter for bacteriophage T7 RNA polymerase"
     terminator      1762..1848
                     /gene="Escherichia coli rrnB"
                     /note="rrnB T1 terminator"
                     /note="transcription terminator T1 from the E. coli rrnB 
                     gene"
     CDS             complement(1881..2591)
                     /codon_start=1
                     /product="tobacco vein mottling virus NIa protease 
                     (Nallamsetty et al., 2004)"
                     /note="TVMV protease"
                     /translation="MSKALLKGVRDFNPISACVCLLENSSDGHSERLFGIGFGPYIIAN
                     QHLFRRNNGELTIKTMHGEFKVKNSTQLQMKPVEGRDIIVIKMAKDFPPFPQKLKFRQP
                     TIKDRVCMVSTNFQQKSVSSLVSESSHIVHKEDTSFWQHWITTKDGQCGSPLVSIIDGN
                     ILGIHSLTHTTNGSNYFVEFPEKFVATYLDAADGWCKNWKFNADKISWGSFTLVEDAPE
                     DDFMAKKTVAAIMD"
     promoter        complement(2615..2688)
                     /note="PLtetO-1 promoter"
                     /note="modified phage lambda PL promoter with tet operator 
                     sites (Lutz and Bujard, 1997)"
     protein_bind    2645..2663
                     /gene="tetO"
                     /bound_moiety="tetracycline repressor TetR"
                     /note="tet operator"
                     /note="bacterial operator O2 for the tetR and tetA genes"
     protein_bind    2670..2688
                     /gene="tetO"
                     /bound_moiety="tetracycline repressor TetR"
                     /note="tet operator"
                     /note="bacterial operator O2 for the tetR and tetA genes"
     promoter        2871..2948
                     /gene="lacI"
                     /note="lacI promoter"
                     /note="
                     "
     CDS             2949..4031
                     /codon_start=1
                     /gene="lacI"
                     /product="lac repressor"
                     /note="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"
     CDS             4840..5031
                     /codon_start=1
                     /gene="rop"
                     /product="Rop protein, which maintains plasmids at low copy
                     number"
                     /note="rop"
                     /translation="MTKQEKTALNMARFIRSQTLTLLEKLNELDADEQADICESLHDHA
                     DELYRSCLARFGDDGENL"
     rep_origin      complement(5461..6049)
                     /direction=LEFT
                     /note="ori"
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     CDS             complement(6220..7080)
                     /codon_start=1
                     /gene="bla"
                     /product="beta-lactamase"
                     /note="AmpR"
                     /note="confers resistance to ampicillin, carbenicillin, and
                     related antibiotics"
                     /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
                     ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYS
                     PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
                     EPELNEAIPNDERDTTMPAAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
                     LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
                     LIKHW"
     promoter        complement(7081..7184)
                     /gene="bla"
                     /note="AmpR promoter"