下载GeneBank文件(.gb)

LOCUS       40924_29731        5677 bp DNA     circular SYN 01-JAN-1980
DEFINITION  Bacterial vector for inducible cytoplasmic 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 5677)
  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 5677)
  AUTHORS   New England Biolabs
  TITLE     Direct Submission
REFERENCE   3  (bases 1 to 5677)
  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..5677
                     /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..2628
                     /codon_start=1
                     /label=MBP
                     /note="maltose binding protein from E. coli"
                     /translation="MKIEEGKLVIWINGDKGYNGLAEVGKKFEKDTGIKVTVEHPDKLE
                     EKFPQVAATGDGPDIIFWAHDRFGGYAQSGLLAEITPDKAFQDKLYPFTWDAVRYNGKL
                     IAYPIAVEALSLIYNKDLLPNPPKTWEEIPALDKELKAKGKSALMFNLQEPYFTWPLIA
                     ADGGYAFKYENGKYDIKDVGVDNAGAKAGLTFLVDLIKNKHMNADTDYSIAEAAFNKGE
                     TAMTINGPWAWSNIDTSKVNYGVTVLPTFKGQPSKPFVGVLSAGINAASPNKELAKEFL
                     ENYLLTDEGLEAVNKDKPLGAVALKSYEEELVKDPRIAATMENAQKGEIMPNIPQMSAF
                     WYAVRTAVINAASGRQTVDEALKDAQT"
     CDS             2677..2688
                     /codon_start=1
                     /label=Factor Xa site
                     /note="Factor Xa recognition and cleavage site"
                     /translation="IEGR"
     terminator      2763..2849
                     /label=rrnB T1 terminator
                     /note="transcription terminator T1 from the E. coli rrnB
                     gene"
     terminator      2941..2968
                     /label=rrnB T2 terminator
                     /note="transcription terminator T2 from the E. coli rrnB
                     gene"
     promoter        2995..3086
                     /label=AmpR promoter
     CDS             3087..3944
                     /codon_start=1
                     /label=AmpR
                     /note="beta-lactamase"
                     /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
                     ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRVDAGQEQLGRRIHYSQNDLVEYS
                     PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
                     EPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
                     LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
                     LIKHW"
     rep_origin      4035..4623
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     CDS             complement(4996..5184)
                     /codon_start=1
                     /label=rop
                     /note="Rop protein, which maintains plasmids at low copy
                     number"
                     /translation="VTKQEKTALNMARFIRSQTLTLLEKLNELDADEQADICESLHDHA
                     DELYRSCLARFGDDGENL"