LOCUS       Exported                5218 bp ds-DNA    circular SYN 03-12-2013
DEFINITION  Bacterial vector with an enterokinase site for ligation-independent 
            cloning (LIC) to express proteins tagged with Strep-Tag II.
ACCESSION   .
VERSION     .
KEYWORDS    pET-51b(+) Ek_LIC
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 5218)
  AUTHORS   Novagen (EMD Millipore)
  TITLE     Direct Submission
COMMENT     For LIC, linearize with BseRI and KpnI and treat with T4 DNA 
            polymerase plus dTTP.
FEATURES             Location/Qualifiers
     source          1..5218
                     /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(110..139)
                     /codon_start=1
                     /product="10xHis affinity tag"
                     /note="10xHis"
                     /translation="HHHHHHHHHH"
     CDS             complement(209..223)
                     /codon_start=1
                     /product="enterokinase recognition and cleavage site"
                     /note="enterokinase site"
                     /translation="DDDDK"
     CDS             complement(230..253)
                     /codon_start=1
                     /product="peptide that binds Strep-Tactin, an engineered 
                     form of streptavidin"
                     /note="Strep-Tag II"
                     /translation="WSHPQFEK"
     CDS             complement(260..262)
                     /codon_start=1
                     /product="start codon"
                     /note="ATG"
                     /translation="M"
     RBS             270..275
                     /note="ribosome binding site"
     protein_bind    306..330
                     /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(331..349)
                     /note="T7 promoter"
                     /note="promoter for bacteriophage T7 RNA polymerase"
     promoter        662..739
                     /gene="lacI"
                     /note="lacI promoter"
                     /note="
                     "
     CDS             740..1822
                     /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             2394..2585
                     /codon_start=1
                     /gene="rop"
                     /product="Rop protein"
                     /note="rop"
                     /translation="MTKQEKTALNMARFIRSQTLTLLEKLNELDADEQADICESLHDHA
                     DELYRSCLARFGDDGENL"
     rep_origin      complement(3015..3603)
                     /direction=LEFT
                     /note="ori"
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     CDS             3777..4637
                     /codon_start=1
                     /gene="bla"
                     /product="beta-lactamase"
                     /note="AmpR"
                     /note="confers resistance to ampicillin, carbenicillin, and
                     related antibiotics"
                     /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
                     ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYS
                     PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
                     EPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
                     LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
                     LIKHW"
     rep_origin      complement(4752..5207)
                     /direction=LEFT
                     /note="f1 ori"
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"