Price Information
| Cat No. | Plasmid Name | Availability | Buy one, get one free! (?) |
|---|---|---|---|
| V001174 | pimEJ5GFP | In stock, instant shipping |
Two tubes of lyophilized plasmid will be delivered, each tube is about 5µg.
Basic Vector Information
pimEJ5-GFP is a chromosome-integrated, GFP-based reporter designed to monitor total non-homologous end joining (total-NHEJ) of chromosomal double-strand breaks (DSBs) in mammalian cells. Its structure features a promoter separated from a GFP coding cassette by a puromycin-resistance (puro) gene, which is flanked by two tandem, same-oriented I-SceI endonuclease recognition sites. When I-SceI-induced DSBs at these sites are repaired via NHEJ, the puro gene is excised, enabling the promoter to connect with the GFP cassette and restore GFP expression—detectable as green fluorescence via flow cytometry (FACS). This reporter captures diverse NHEJ products, including those that restore the I-SceI site (I-SceI+) and I-SceI-resistant events (often involving small deletions with microhomology at repair junctions). It serves as a key tool to assess total-NHEJ efficiency and product diversity, providing context for studying specialized repair pathways like alternative-NHEJ (alt-NHEJ).
- Vector Name:
- pimEJ5GFP
- Antibiotic Resistance:
- Ampicillin
- Length:
- 12749 bp
- Type:
- Mammalian Expression
- Replication origin:
- ori
- Promoter:
- CAG
- 5' Primer:
- ttcctacagctcctgggcaacg
- 3' Primer:
- ttttggcagagggaaaaaga
- Growth Strain(s):
- DH5a
- Growth Temperature:
- 37℃
pimEJ5GFP vector 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.
References
- Bennardo N, Cheng A, Huang N, Stark JM. Alternative-NHEJ is a mechanistically distinct pathway of mammalian chromosome break repair. PLoS Genet. 2008 Jun 27;4(6):e1000110. doi: 10.1371/journal.pgen.1000110. PMID: 18584027; PMCID: PMC2430616.
pimEJ5GFP vector Sequence
LOCUS Exported 12749 bp DNA circular SYN 19-NOV-2025
DEFINITION synthetic circular DNA.
ACCESSION .
VERSION .
KEYWORDS .
SOURCE synthetic DNA construct
ORGANISM synthetic DNA construct
REFERENCE 1 (bases 1 to 12749)
AUTHORS Bennardo N, Cheng A, Huang N, Stark JM
TITLE Alternative-NHEJ is a mechanistically distinct pathway of mammalian
chromosome break repair.
JOURNAL PLoS Genet. 2008 Jun 27;4(6):e1000110. doi:
10.1371/journal.pgen.1000110.
PUBMED 18584027
REFERENCE 2 (bases 1 to 12749)
TITLE Direct Submission
REFERENCE 3 (bases 1 to 12749)
TITLE Direct Submission
REFERENCE 4 (bases 1 to 12749)
AUTHORS .
TITLE Direct Submission
COMMENT SGRef: number: 1; type: "Journal Article"; journalName: "PLoS
Genet."; date: "2008-06-27"; pages: "
10.1371/journal.pgen.1000110"
COMMENT SGRef: number: 2; type: "Journal Article"
COMMENT SGRef: number: 3; type: "Journal Article"
FEATURES Location/Qualifiers
source 1..12749
/mol_type="other DNA"
/organism="synthetic DNA construct"
promoter 1..19
/label=T7 promoter
/note="promoter for bacteriophage T7 RNA polymerase"
CDS 557..1579
/codon_start=1
/gene="aph(4)-Ia"
/product="aminoglycoside phosphotransferase from E. coli"
/label=HygR
/note="confers resistance to hygromycin"
/translation="KKPELTATSVEKFLIEKFDSVSDLMQLSEGEESRAFSFDVGGRGY
VLRVNSCADGFYKDRYVYRHFASAALPIPEVLDIGEFSESLTYCISRRAQGVTLQDLPE
TELPAVLQPVAEAMDAIAAADLSQTSGFGPFGPQGIGQYTTWRDFICAIADPHVYHWQT
VMDDTVSASVAQALDELMLWAEDCPEVRHLVHADFGSNNVLTDNGRITAVIDWSEAMFG
DSQYEVANIFFWRPWLACMEQQTRYFERRHPELAGSPRLRAYMLRIGLDQLYQSLVDGN
FDDAAWAQGRCDAIVRSGAGTVGRTQIARRSAAVWTDGCVEVLADSGNRRPSTRPRAKE
"
enhancer 1733..2112
/label=CMV enhancer
/note="human cytomegalovirus immediate early enhancer"
promoter 2114..2390
/label=chicken beta-actin promoter
intron 2391..3407
/label=chimeric intron
/note="chimera between introns from chicken beta-actin and
rabbit beta-globin"
primer_bind 3415..3434
/label=pCAG-F
/note="Rabbit beta-globin intron, for pCAG plasmids,
forward primer"
promoter 3489..3986
/label=PGK promoter
/note="mouse phosphoglycerate kinase 1 promoter"
CDS 4005..4604
/codon_start=1
/gene="pac from Streptomyces alboniger"
/product="puromycin N-acetyltransferase"
/label=PuroR
/note="confers resistance to puromycin"
/translation="MTEYKPTVRLATRDDVPRAVRTLAAAFADYPATRHTVDPDRHIER
VTELQELFLTRVGLDIGKVWVADDGAAVAVWTTPESVEAGAVFAEIGPRMAELSGSRLA
AQQQMEGLLAPHRPKEPAWFLATVGVSPDHQGKGLGSAVVLPGVEAAERAGVPAFLETS
APRNLPFYERLGFTVTADVEVPEGPRTWCMTRKPGA"
regulatory 5269..5278
/label=Kozak sequence
/note="vertebrate consensus sequence for strong initiation
of translation (Kozak, 1987)"
/regulatory_class="other"
CDS 5275..5994
/codon_start=1
/product="the original enhanced GFP (Yang et al., 1996)"
/label=EGFP
/note="mammalian codon-optimized"
/translation="MVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTL
KFICTTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKQHDFFKSAMPEGYVQERTIFFKDD
GNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNGIK
VNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLL
EFVTAAGITLGMDELYK"
primer_bind complement(6199..6218)
/label=Bglob-pA-R
/note="Rabbit beta-globin polyA region, reverse primer"
polyA_signal 6264..6319
/label=beta-globin poly(A) signal
/note="rabbit beta-globin polyadenylation signal (Gil and
Proudfoot, 1987)"
promoter complement(10404..10422)
/label=SP6 promoter
/note="promoter for bacteriophage SP6 RNA polymerase"
primer_bind complement(10503..10522)
/label=pRS-marker
/note="pRS vectors, use to sequence yeast selectable
marker"
primer_bind 10622..10644
/label=pGEX 3'
/note="pGEX vectors, reverse primer"
primer_bind complement(10682..10700)
/label=pBRforEco
/note="pBR322 vectors, upsteam of EcoRI site, forward
primer"
promoter 10768..10872
/label=AmpR promoter
CDS 10873..11733
/codon_start=1
/gene="bla"
/product="beta-lactamase"
/label=AmpR
/note="confers resistance to ampicillin, carbenicillin, and
related antibiotics"
/translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYS
PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
EPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
LIKHW"
rep_origin 11904..12492
/direction=RIGHT
/label=ori
/note="high-copy-number ColE1/pMB1/pBR322/pUC origin of
replication"
primer_bind 12646..12663
/label=L4440
/note="L4440 vector, forward primer"