LOCUS       Exported                9028 bp ds-DNA     circular SYN 13-MAY-2021
DEFINITION  E coli Genetic Modification.
ACCESSION   .
VERSION     .
KEYWORDS    pREDKI
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 9028)
  AUTHORS   Yang J, Sun B, Huang H, Jiang Y, Diao L, Chen B, Xu C, Wang X, Liu 
            J, Jiang W, Yang S
  TITLE     High-Efficiency Scarless Genetic Modification in Escherichia coli by
            Using Lambda Red Recombination and I-SceI Cleavage.
  JOURNAL   Appl Environ Microbiol. 2014 Jul 1;80(13):3826-3834. Epub 2014 Apr 
            18.
  PUBMED    24747889
REFERENCE   2  (bases 1 to 9028)
  AUTHORS   .
  TITLE     Direct Submission
COMMENT     SGRef: number: 1; type: "Journal Article"; journalName: "Appl 
            Environ Microbiol."; date: "2014-07-1"; volume: "80(13)"; pages: 
            "3826-3834. Epub 2014 Apr 18"
FEATURES             Location/Qualifiers
     source          1..9028
                     /organism="synthetic DNA construct"
                     /mol_type="other DNA"
     CDS             complement(19..897)
                     /codon_start=1
                     /gene="araC"
                     /product="L-arabinose regulatory protein"
                     /label=araC
                     /translation="MAEAQNDPLLPGYSFNAHLVAGLTPIEANGYLDFFIDRPLGMKGY
                     ILNLTIRGQGVVKNQGREFVCRPGDILLFPPGEIHHYGRHPEAREWYHQWVYFRPRAYW
                     HEWLNWPSIFANTGFFRPDEAHQPHFSDLFGQIINAGQGEGRYSELLAINLLEQLLLRR
                     MEAINESLHPPMDNRVREACQYISDHLADSNFDIASVAQHVCLSPSRLSHLFRQQLGIS
                     VLSWREDQRISQAKLLLSTTRMPIATVGRNVGFDDQLYFSRVFKKCTGASPSEFRAGCE
                     EKVNDVAVKLS"
     promoter        924..1208
                     /gene="araBAD"
                     /label=araBAD promoter
                     /note="promoter of the L-arabinose operon of E. coli; the 
                     araC regulatory gene is transcribed in the opposite 
                     direction (Guzman et al., 1995)"
     primer_bind     1131..1150
                     /label=pBAD Forward
                     /note="For vectors with E. coli araBAD promoter, forward 
                     primer"
     RBS             1235..1243
                     /label=Shine-Dalgarno sequence
                     /note="full consensus sequence for ribosome-binding sites 
                     upstream of start codons in E. coli; complementary to a 
                     region in the 3 end of the 16S rRNA (Chen et al., 1994)"
     CDS             1252..1668
                     /codon_start=1
                     /gene="gam"
                     /product="inhibitor of the host RecBCD nuclease in the 
                     lambda Red system"
                     /label=Gam
                     /note="protects the double-stranded DNA substrate for 
                     recombination"
                     /translation="MDINTETEIKQKHSLTPFPVFLISPAFRGRYFHSYFRSSAMNAYY
                     IQDRLEAQSWARHYQQLAREEKEAELADDMEKGLPQHLFESLCIDHLQRHGASKKSITR
                     AFDDDVEFQERMAEHIRYMVETIAHHQVDIDSEV"
     CDS             1674..2459
                     /codon_start=1
                     /gene="bet"
                     /product="single-stranded DNA binding recombinase in the 
                     lambda Red system"
                     /label=Beta
                     /note="mediates pairing of a single-stranded DNA with a 
                     complementary target"
                     /translation="MSTALATLAGKLAERVGMDSVDPQELITTLRQTAFKGDASDAQFI
                     ALLIVANQYGLNPWTKEIYAFPDKQNGIVPVVGVDGWSRIINENQQFDGMDFEQDNESC
                     TCRIYRKDRNHPICVTEWMDECRREPFKTREGREITGPWQSHPKRMLRHKAMIQCARLA
                     FGFAGIYDKDEAERIVENTAYTAERQPERDITPVNDETMQEINTLLIALDKTWDDDLLP
                     LCSQIFRRDIRASSELTQAEAVKALGFLKQKAAEQKVAA"
     CDS             2456..3136
                     /codon_start=1
                     /gene="exo"
                     /product="5 to 3 double-stranded DNA exonuclease in the 
                     lambda Red system"
                     /label=Exo
                     /note="creates 3 single-stranded DNA tails"
                     /translation="MTPDIILQRTGIDVRAVEQGDDAWHKLRLGVITASEVHNVIAKPR
                     SGKKWPDMKMSYFHTLLAEVCTGVAPEVNAKALAWGKQYENDARTLFEFTSGVNVTESP
                     IIYRDESMRTACSPDGLCSDGNGLELKCPFTSRDFMKFRLGGFEAIKSAYMAQVQYSMW
                     VTRKNAWYFANYDPRMKREGLHYVVIERDEKYMASFDEIVPEFIEKMDEALAEIGFVFG
                     EQWR"
     terminator      3137..3381
                     /label=lambda tL3 terminator
                     /note="transcription terminator tL3 from phage lambda"
     CDS             complement(3414..4262)
                     /codon_start=1
                     /gene="E. coli rhaR"
                     /product="transcriptional activator of rhaR and rhaS"
                     /label=rhaR
                     /note="needed for rhamnose-dependent activation of the rhaB
                     promoter"
                     /translation="MAHQLKLLKDDFFASDQQAVAVADRYPQDVFAEHTHDFCELVIVW
                     RGNGLHVLNDRPYRITRGDLFYIHADDKHSYASVNDLVLQNIIYCPERLKLNLDWQGAI
                     PGFNASAGQPHWRLGSMGMAQARQVIGQLEHESSQHVPFANEMAELLFGQLVMLLNRHR
                     YTSDSLPPTSSETLLDKLITRLAASLKSPFALDKFCDEASCSERVLRQQFRQQTGMTIN
                     QYLRQVRVCHAQYLLQHSRLLISDISTECGFEDSNYFSVVFTRETGMTPSQWRHLNSQK
                     D"
     CDS             complement(4336..5172)
                     /codon_start=1
                     /gene="E. coli rhaS"
                     /product="positive regulator of the rhaB promoter
                     "
                     /label=rhaS
                     /note="activated by L-rhamnose"
                     /translation="MTVLHSVDFFPSGNASVAIEPRLPQADFPEHHHDFHEIVIVEHGT
                     GIHVFNGQPYTITGGTVCFVRDHDRHLYEHTDNLCLTNVLYRSPDRFQFLAGLNQLLPQ
                     ELDGQYPSHWRVNHSVLQQVRQLVAQMEQQEGENDLPSTASREILFMQLLLLLRKSSLQ
                     ENLENSASRLNLLLAWLEDHFADEVNWDAVADQFSLSLRTLHRQLKQQTGLTPQRYLNR
                     LRLMKARHLLRHSEASVTDIAYRCGFSDSNHFSTLFRREFNWSPRDIRQGRDGFLQ"
     promoter        5318..5436
                     /label=rhaB promoter
                     /note="promoter of the E. coli rhaBAD operon, conferring 
                     tight induction with L-rhamnose and repression with 
                     D-glucose in the presence of RhaR and RhaS (Giacalone et 
                     al., 2006)"
     CDS             complement(6205..7155)
                     /codon_start=1
                     /gene="rep101"
                     /product="RepA protein needed for replication with the 
                     pSC101 origin"
                     /label=Rep101
                     /translation="MSELVVFKANELAISRYDLTEHETKLILCCVALLNPTIENPTRKE
                     RTVSFTYNQYAQMMNISRENAYGVLAKATRELMTRTVEIRNPLVKGFEIFQWTNYAKFS
                     SEKLELVFSEEILPYLFQLKKFIKYNLEHVKSFENKYSMRIYEWLLKELTQKKTHKANI
                     EISLDEFKFMLMLENNYHEFKRLNQWVLKPISKDLNTYSNMKLVVDKRGRPTDTLIFQV
                     ELDRQMDLVTELENNQIKMNGDKIPTTITSDSYLRNGLRKTLHDALTAKIQLTSFEAKF
                     LSDMQSKYDLNGSFSWLTQKQRTTLENILAKYGRI"
     rep_origin      7203..7425
                     /label=pSC101 ori
                     /note="low-copy replication origin that requires the Rep101
                     protein"
     primer_bind     complement(8180..8199)
                     /label=pENTR-R
                     /note="pENTR vectors, reverse primer"
     CDS             8191..9006
                     /codon_start=1
                     /gene="aph(3)-Ia"
                     /product="aminoglycoside phosphotransferase"
                     /label=KanR
                     /note="confers resistance to kanamycin in bacteria or G418 
                     (Geneticin(R)) in eukaryotes"
                     /translation="MSHIQRETSCSRPRLNSNMDADLYGYKWARDNVGQSGATIYRLYG
                     KPDAPELFLKHGKGSVANDVTDEMVRLNWLTEFMPLPTIKHFIRTPDDAWLLTTAIPGK
                     TAFQVLEEYPDSGENIVDALAVFLRRLHSIPVCNCPFNSDRVFRLAQAQSRMNNGLVDA
                     SDFDDERNGWPVEQVWKEMHKLLPFSPDSVVTHGDFSLDNLIFDEGKLIGCIDVGRVGI
                     ADRYQDLAILWNCLGEFSPSLQKRLFQKYGIDNPDMNKLQFHLMLDEFF"
     primer_bind     complement(8264..8283)
                     /label=Kan-R
                     /note="Kanamycin resistance gene, reverse primer"