载体基本信息 | |||
载体名称 | pEcCas | 载体抗性 | Kanamycin |
---|---|---|---|
载体长度 | 14605 bp | 载体类型 | Bacterial Expression, CRISPR ; Red recombinase |
拷贝数 | Low Copy | 启动子 | native promoter |
3'引物 | AraC-F-New |
pEcCas 载体载体图谱
pEcCas 载体载体序列
LOCUS Exported 14605 bp ds-DNA circular SYN 13-MAY-2021 DEFINITION Constitutive expression of cas9 and inducible expression of lambda RED and sgRNA. ACCESSION . VERSION . KEYWORDS pEcCas SOURCE synthetic DNA construct ORGANISM synthetic DNA construct REFERENCE 1 (bases 1 to 14605) AUTHORS Li , Q i, Sun, Bingbing, Chen, Jun, Zhang, Yiwen, Jiang, Y u Jiang, Yang, Sheng TITLE A modified pCas/pTargetF system for CRISPR-Cas9-assisted genome editing in Escherichia coli JOURNAL Acta Biochimica et Biophysica Sinica, 2021 REFERENCE 2 (bases 1 to 14605) AUTHORS . TITLE Direct Submission COMMENT SGRef: number: 1; type: "Journal Article"; journalName: "Acta Biochimica et Biophysica Sinica, 2021" FEATURES Location/Qualifiers source 1..14605 /organism="synthetic DNA construct" /mol_type="other DNA" CDS complement(107..1057) /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 1105..1327 /label=pSC101 ori /note="low-copy replication origin that requires the Rep101 protein" CDS complement(1832..2647) /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 2555..2574 /label=Kan-R /note="Kanamycin resistance gene, reverse primer" primer_bind 2639..2658 /label=pENTR-R /note="pENTR vectors, reverse primer" CDS 2995..7101 /codon_start=1 /product="Cas9 (Csn1) endonuclease from the Streptococcus pyogenes Type II CRISPR/Cas system" /label=Cas9 /note="generates RNA-guided double strand breaks in DNA" /translation="MDKKYSIGLDIGTNSVGWAVITDDYKVPSKKFKVLGNTDRHSIKK NLIGALLFDSGETAEATRLKRTARRRYTRRKNRICYLQEIFSNEMAKVDDSFFHRLEES FLVEEDKKHERHPIFGNIVDEVAYHEKYPTIYHLRKKLVDSTDKADLRLIYLALAHMIK FRGHFLIEGDLNPDNSDVDKLFIQLVQTYNQLFEENPINASGVDAKAILSARLSKSRRL ENLIAQLPGEKKNGLFGNLIALSLGLTPNFKSNFDLAEDAKLQLSKDTYDDDLDNLLAQ IGDQYADLFLAAKNLSDAILLSDILRVNTEITKAPLSASMIKRYDEHHQDLTLLKALVR QQLPEKYKEIFFDQSKNGYAGYIDGGASQEEFYKFIKPILEKMDGTEELLVKLNREDLL RKQRTFDNGSIPHQIHLGELHAILRRQEDFYPFLKDNREKIEKILTFRIPYYVGPLARG NSRFAWMTRKSEETITPWNFEEVVDKGASAQSFIERMTNFDKNLPNEKVLPKHSLLYEY FTVYNELTKVKYVTEGMRKPAFLSGEQKKAIVDLLFKTNRKVTVKQLKEDYFKKIECFD SVEISGVEDRFNASLGTYHDLLKIIKDKDFLDNEENEDILEDIVLTLTLFEDREMIEER LKTYAHLFDDKVMKQLKRRRYTGWGRLSRKLINGIRDKQSGKTILDFLKSDGFANRNFM QLIHDDSLTFKEDIQKAQVSGQGDSLHEHIANLAGSPAIKKGILQTVKVVDELVKVMGR HKPENIVIEMARENQTTQKGQKNSRERMKRIEEGIKELGSQILKEHPVENTQLQNEKLY LYYLQNGRDMYVDQELDINRLSDYDVDHIVPQSFLKDDSIDNKVLTRSDKNRGKSDNVP SEEVVKKMKNYWRQLLNAKLITQRKFDNLTKAERGGLSELDKAGFIKRQLVETRQITKH VAQILDSRMNTKYDENDKLIREVKVITLKSKLVSDFRKDFQFYKVREINNYHHAHDAYL NAVVGTALIKKYPKLESEFVYGDYKVYDVRKMIAKSEQEIGKATAKYFFYSNIMNFFKT EITLANGEIRKRPLIETNGETGEIVWDKGRDFATVRKVLSMPQVNIVKKTEVQTGGFSK ESILPKRNSDKLIARKKDWDPKKYGGFDSPTVAYSVLVVAKVEKGKSKKLKSVKELLGI TIMERSSFEKNPIDFLEAKGYKEVKKDLIIKLPKYSLFELENGRKRMLASAGELQKGNE LALPSKYVNFLYLASHYEKLKGSPEDNEQKQLFVEQHKHYLDEIIEQISEFSKRVILAD ANLDKVLSAYNKHRDKPIREQAENIIHLFTLTNLGAPAAFKYFDTTIDRKRYTSTKEVL DATLIHQSITGLYETRIDLSQLGGD" CDS complement(7231..8109) /codon_start=1 /gene="araC" /product="L-arabinose regulatory protein" /label=araC /translation="MAEAQNDPLLPGYSFNAHLVAGLTPIEANGYLDFFIDRPLGMKGY ILNLTIRGQGVVKNQGREFVCRPGDILLFPPGEIHHYGRHPEAREWYHQWVYFRPRAYW HEWLNWPSIFANTGFFRPDEAHQPHFSDLFGQIINAGQGEGRYSELLAINLLEQLLLRR MEAINESLHPPMDNRVREACQYISDHLADSNFDIASVAQHVCLSPSRLSHLFRQQLGIS VLSWREDQRISQAKLLLSTTRMPIATVGRNVGFDDQLYFSRVFKKCTGASPSEFRAGCE EKVNDVAVKLS" promoter 8136..8420 /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 8343..8362 /label=pBAD Forward /note="For vectors with E. coli araBAD promoter, forward primer" RBS 8447..8455 /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 8464..8880 /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 8886..9671 /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 9668..10348 /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 10349..10593 /label=lambda tL3 terminator /note="transcription terminator tL3 from phage lambda" CDS 10930..12351 /codon_start=1 /gene="Bacillus subtilis sacB" /product="secreted levansucrase that renders bacterial growth sensitive to sucrose" /label=SacB /note="negative selection marker" /translation="MNIKKFAKQATVLTFTTALLAGGATQAFAKETNQKPYKETYGISH ITRHDMLQIPEQQKNEKYQVPEFDSSTIKNISSAKGLDVWDSWPLQNADGTVANYHGYH IVFALAGDPKNADDTSIYMFYQKVGETSIDSWKNAGRVFKDSDKFDANDSILKDQTQEW SGSATFTSDGKIRLFYTDFSGKHYGKQTLTTAQVNVSASDSSLNINGVEDYKSIFDGDG KTYQNVQQFIDEGNYSSGDNHTLRDPHYVEDKGHKYLVFEANTGTEDGYQGEESLFNKA YYGKSTSFFRQESQKLLQSDKKRTAELANGALGMIELNDDYTLKKVMKPLIASNTVTDE IERANVFKMNGKWYLFTDSRGSKMTIDGITSNDIYMLGYVSNSLTGPYKPLNKTGLVLK MDLDPNDVTFTYSHFAVPQAKGNNVVITSYMTNRGFYADKQSTFAPSFLLNIKGKKTSV VKDSILEQGQLTVNK" misc_RNA complement(12474..12549) /label=gRNA scaffold /note="guide RNA scaffold for the Streptococcus pyogenes CRISPR/Cas9 system" promoter complement(12571..12689) /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 12835..13671 /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" CDS 13745..14593 /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"
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