pEcCas vector (V008901) Gene synthesis in pEcCas backbone

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Price Information

Cat No.	Plasmid Name	Availability	Buy one, get one free! (?)
V008901	pEcCas	In stock, instant shipping

Two tubes of lyophilized plasmid will be delivered, each tube is about 5µg.

Basic Vector Information

Vector Name:: pEcCas

Antibiotic Resistance:: Kanamycin

Length:: 14589 bp

Type:: Bacterial Expression, CRISPR ; Red recombinase

Replication origin:: pSC101 ori

Copy Number:: Low Copy

Promoter:: araBAD

3' Primer:: AraC-F-New

Growth Strain(s):: DH10B

Growth Temperature:: 37℃

pEcCas vector Map

Copy Sequence View Map

Plasmid Protocol

1. Centrifuge at 5,000×g for 5 min.

2. Carefully open the tube and add 20 μl of sterile water to dissolve the DNA.

3. Close the tube and incubate for 10 minutes at room temperature.

4. Briefly vortex the tube and then do a quick spin to concentrate the liquid at the bottom. Speed is less than 5000×g.

5. Store the plasmid at -20 ℃.

6. The concentration of plasmid re-measurement sometimes differs from the nominal value, which may be due to the position of the lyophilized plasmid in the tube, the efficiency of the re-dissolution, the measurement bias, and adsorption on the wall of the tube, therefore, it is recommended to transform and extract the plasmid before using it

General Plasmid Transform Protocol

1. Take one 100μl of the competent cells and thaw it on ice for 10min, add 2μl of plasmid, then ice bath for 30min, then heat-shock it at 42℃ for 60s, do not stir, and then ice bath for 2min.

2. Add 900μl of LB liquid medium without antibiotics, and incubate at 37℃ for 45min (30℃ for 1-1.5 hours) with 180rpm shaking.

3. Centrifuge at 6000rpm for 5min, leave only 100μl of supernatant to resuspend the bacterial precipitate and spread it onto the target plasmid-resistant LB plate.

4. Invert the plate and incubate at 37℃ for 14h, or at 30℃ for 20h.

5. Pick a single colony into LB liquid medium, add the corresponding antibiotics, incubate at 220rpm for 14h, and extract the plasmid according to the experimental needs and the instructions of the plasmid extraction kit.

pEcCas vector Sequence

LOCUS       Exported               14589 bp DNA     circular SYN 22-AUG-2024
DEFINITION  Constitutive expression of cas9 and inducible expression of lambda 
            RED and sgRNA.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 14589)
  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 14589)
  TITLE     Direct Submission
REFERENCE   3  (bases 1 to 14589)
  TITLE     Direct Submission
REFERENCE   4  (bases 1 to 14589)
  AUTHORS   .
  TITLE     Direct Submission
COMMENT     SGRef: number: 1; type: "Journal Article"; journalName: "Acta
            Biochimica et Biophysica Sinica, 2021"
COMMENT     SGRef: number: 2; type: "Journal Article"
COMMENT     SGRef: number: 3; type: "Journal Article"
FEATURES             Location/Qualifiers
     source          1..14589
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     CDS             complement(110..1057)
                     /codon_start=1
                     /label=Rep101
                     /note="RepA protein needed for replication with the pSC101 
                     origin"
                     /translation="MSELVVFKANELAISRYDLTEHETKLILCCVALLNPTIENPTRKE
                     RTVSFTYNQYAQMMNISRENAYGVLAKATRELMTRTVEIRNPLVKGFEIFQWTNYAKFS
                     SEKLELVFSEEILPYLFQLKKFIKYNLEHVKSFENKYSMRIYEWLLKELTQKKTHKANI
                     EISLDEFKFMLMLENNYHEFKRLNQWVLKPISKDLNTYSNMKLVVDKRGRPTDTLIFQV
                     ELDRQMDLVTELENNQIKMNGDKIPTTITSDSYLHNGLRKTLHDALTAKIQLTSFEAKF
                     LSDMQSKHDLNGSFSWLTQKQRTTLENILAKYGRI"
     rep_origin      complement(1105..1327)
                     /direction=LEFT
                     /label=pSC101 ori
                     /note="low-copy replication origin that requires the Rep101
                     protein"
     CDS             complement(1819..2631)
                     /codon_start=1
                     /label=KanR
                     /note="aminoglycoside phosphotransferase"
                     /translation="MSHIQRETSCSRPRLNSNMDADLYGYKWARDNVGQSGATIYRLYG
                     KPDAPELFLKHGKGSVANDVTDEMVRLNWLTEFMPLPTIKHFIRTPDDAWLLTTAIPGK
                     TAFQVLEEYPDSGENIVDALAVFLRRLHSIPVCNCPFNSDRVFRLAQAQSRMNNGLVDA
                     SDFDDERNGWPVEQVWKEMHKLLPFSPDSVVTHGDFSLDNLIFDEGKLIGCIDVGRVGI
                     ADRYQDLAILWNCLGEFSPSLQKRLFQKYGIDNPDMNKLQFHLMLDEFL"
     CDS             2979..7082
                     /codon_start=1
                     /label=Cas9
                     /note="Cas9 (Csn1) endonuclease from the Streptococcus
                     pyogenes Type II CRISPR/Cas system"
                     /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(7218..8093)
                     /codon_start=1
                     /label=araC
                     /note="L-arabinose regulatory protein"
                     /translation="MAEAQNDPLLPGYSFNAHLVAGLTPIEANGYLDFFIDRPLGMKGY
                     ILNLTIRGQGVVKNQGREFVCRPGDILLFPPGEIHHYGRHPEAREWYHQWVYFRPRAYW
                     HEWLNWPSIFANTGFFRPDEAHQPHFSDLFGQIINAGQGEGRYSELLAINLLEQLLLRR
                     MEAINESLHPPMDNRVREACQYISDHLADSNFDIASVAQHVCLSPSRLSHLFRQQLGIS
                     VLSWREDQRISQAKLLLSTTRMPIATVGRNVGFDDQLYFSRVFKKCTGASPSEFRAGCE
                     EKVNDVAVKLS"
     promoter        8120..8404
                     /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)"
     RBS             8431..8439
                     /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             8448..8861
                     /codon_start=1
                     /label=Gam
                     /note="inhibitor of the host RecBCD nuclease in the lambda
                     Red system"
                     /translation="MDINTETEIKQKHSLTPFPVFLISPAFRGRYFHSYFRSSAMNAYY
                     IQDRLEAQSWARHYQQLAREEKEAELADDMEKGLPQHLFESLCIDHLQRHGASKKSITR
                     AFDDDVEFQERMAEHIRYMVETIAHHQVDIDSEV"
     CDS             8870..9652
                     /codon_start=1
                     /label=Beta
                     /note="single-stranded DNA binding recombinase in the
                     lambda Red system"
                     /translation="MSTALATLAGKLAERVGMDSVDPQELITTLRQTAFKGDASDAQFI
                     ALLIVANQYGLNPWTKEIYAFPDKQNGIVPVVGVDGWSRIINENQQFDGMDFEQDNESC
                     TCRIYRKDRNHPICVTEWMDECRREPFKTREGREITGPWQSHPKRMLRHKAMIQCARLA
                     FGFAGIYDKDEAERIVENTAYTAERQPERDITPVNDETMQEINTLLIALDKTWDDDLLP
                     LCSQIFRRDIRASSELTQAEAVKALGFLKQKAAEQKVAA"
     CDS             9652..10329
                     /codon_start=1
                     /label=Exo
                     /note="5' to 3' double-stranded DNA exonuclease in the
                     lambda
                     Red system"
                     /translation="MTPDIILQRTGIDVRAVEQGDDAWHKLRLGVITASEVHNVIAKPR
                     SGKKWPDMKMSYFHTLLAEVCTGVAPEVNAKALAWGKQYENDARTLFEFTSGVNVTESP
                     IIYRDESMRTACSPDGLCSDGNGLELKCPFTSRDFMKFRLGGFEAIKSAYMAQVQYSMW
                     VTRKNAWYFANYDPRMKREGLHYVVIERDEKYMASFDEIVPEFIEKMDEALAEIGFVFG
                     EQWR"
     terminator      10333..10577
                     /label=lambda tL3 terminator
                     /note="transcription terminator tL3 from phage lambda"
     CDS             10914..12332
                     /codon_start=1
                     /label=SacB
                     /note="secreted levansucrase that renders bacterial growth 
                     sensitive to sucrose"
                     /translation="MNIKKFAKQATVLTFTTALLAGGATQAFAKETNQKPYKETYGISH
                     ITRHDMLQIPEQQKNEKYQVPEFDSSTIKNISSAKGLDVWDSWPLQNADGTVANYHGYH
                     IVFALAGDPKNADDTSIYMFYQKVGETSIDSWKNAGRVFKDSDKFDANDSILKDQTQEW
                     SGSATFTSDGKIRLFYTDFSGKHYGKQTLTTAQVNVSASDSSLNINGVEDYKSIFDGDG
                     KTYQNVQQFIDEGNYSSGDNHTLRDPHYVEDKGHKYLVFEANTGTEDGYQGEESLFNKA
                     YYGKSTSFFRQESQKLLQSDKKRTAELANGALGMIELNDDYTLKKVMKPLIASNTVTDE
                     IERANVFKMNGKWYLFTDSRGSKMTIDGITSNDIYMLGYVSNSLTGPYKPLNKTGLVLK
                     MDLDPNDVTFTYSHFAVPQAKGNNVVITSYMTNRGFYADKQSTFAPSFLLNIKGKKTSV
                     VKDSILEQGQLTVNK"
     misc_RNA        complement(12458..12533)
                     /label=gRNA scaffold
                     /note="guide RNA scaffold for the Streptococcus pyogenes 
                     CRISPR/Cas9 system"
     promoter        complement(12555..12673)
                     /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             12819..13652
                     /codon_start=1
                     /label=rhaS
                     /note="positive regulator of the rhaB promoter"
                     /translation="MTVLHSVDFFPSGNASVAIEPRLPQADFPEHHHDFHEIVIVEHGT
                     GIHVFNGQPYTITGGTVCFVRDHDRHLYEHTDNLCLTNVLYRSPDRFQFLAGLNQLLPQ
                     ELDGQYPSHWRVNHSVLQQVRQLVAQMEQQEGENDLPSTASREILFMQLLLLLRKSSLQ
                     ENLENSASRLNLLLAWLEDHFADEVNWDAVADQFSLSLRTLHRQLKQQTGLTPQRYLNR
                     LRLMKARHLLRHSEASVTDIAYRCGFSDSNHFSTLFRREFNWSPRDIRQGRDGFLQ"
     CDS             13729..14574
                     /codon_start=1
                     /label=rhaR
                     /note="transcriptional activator of rhaR and rhaS"
                     /translation="VAHQLKLLKDDFFASDQQAVAVADRYPQDVFAEHTHDFCELVIVW
                     RGNGLHVLNDRPYRITRGDLFYIHADDKHSYASVNDLVLQNIIYCPERLKLNLDWQGAI
                     PGFNASAGQPHWRLGSMGMAQARQVIGQLEHESSQHVPFANEMAELLFGQLVMLLNRHR
                     YTSDSLPPTSSETLLDKLITRLAASLKSPFALDKFCDEASCSERVLRQQFRQQTGMTIN
                     QYLRQVRVCHAQYLLQHSRLLISDISTECGFEDSNYFSVVFTRETGMTPSQWRHLNSQK
                     D"

.cls { stroke-width: 0px; fill: url(#c6); } pEcCas vector (V008901) Gene synthesis in pEcCas backbone