下载GeneBank文件(.gb)

LOCUS       pET-28b(+).        5368 bp DNA     circular SYN 01-JAN-1980
DEFINITION  Bacterial vector for expression of N-terminally 6xHis-tagged 
            proteins with a thrombin site. For other reading frames, use 
            pET-28a(+) or pET-28c(+).
ACCESSION   .
VERSION     .
KEYWORDS    pET-28b(+).
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 5368)
  AUTHORS   Novagen (EMD Millipore)
  TITLE     Direct Submission
REFERENCE   2  (bases 1 to 5368)
  AUTHORS   .
  TITLE     Direct Submission
COMMENT     SGRef: number: 1; type: "Journal Article"
FEATURES             Location/Qualifiers
     source          1..5368
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     terminator      complement(26..73)
                     /label=T7 terminator
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
     CDS             complement(140..157)
                     /label=6xHis
                     /note="6xHis affinity tag"
     misc_feature    158..203
                     /label=MCS
                     /note="MCS"
                     /note="multiple cloning site"
     CDS             complement(206..238)
                     /label=T7 tag (gene 10 leader)
                     /note="leader peptide from bacteriophage T7 gene 10"
     CDS             complement(242..259)
                     /label=thrombin site
                     /note="thrombin recognition and cleavage site"
     CDS             complement(269..286)
                     /label=6xHis
                     /note="6xHis affinity tag"
     CDS             complement(296..298)
                     /codon_start=1
                     /product="start codon"
                     /label=start codon
                     /note="ATG"
                     /translation="M"
     RBS             complement(305..327)
                     /label=RBS
                     /note="efficient ribosome binding site from bacteriophage
                     T7 gene 10 (Olins and Rangwala, 1989)"
     protein_bind    complement(342..366)
                     /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)."
     promoter        complement(367..385)
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     promoter        694..771
                     /label=lacI promoter
     CDS             772..1851
                     /label=lacI
                     /note="lac repressor"
     protein_bind    1867..1888
                     /label=CAP binding site
                     /note="CAP binding activates transcription in the presence
                     of cAMP."
     CDS             2663..2851
                     /label=rop
                     /note="Rop protein, which maintains plasmids at low copy
                     number"
     misc_feature    2956..3098
                     /label=bom
                     /note="basis of mobility region from pBR322"
     rep_origin      complement(3284..3872)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     CDS             3994..4806
                     /label=KanR
                     /note="aminoglycoside phosphotransferase"
     rep_origin      complement(4902..5357)
                     /direction=LEFT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow
                     indicates direction of (+) strand synthesis"