Note: This lentiviral plasmid is a core component of the SAM CRISPR activation system developed by Feng Zhang’s lab. It expresses nuclease-dead dCas9 fused to VP64 transactivator, separated from GFP via a 2A self-cleaving peptide for fluorescent cell labeling. Guided by MS2-modified sgRNA, dCas9-VP64 recruits co-activators to potently upregulate endogenous gene transcription. GFP fluorescence enables easy sorting and validation of cells stably expressing this CRISPRa effector for gain-of-function screens.
基本信息
- 载体名称:
- dCAS9-VP64_GFP
- 载体抗性:
- Ampicillin
- 载体长度:
- 14383 bp
- 载体类型:
- CRISPR Plasmids
- 复制子:
- ori
- 载体来源:
- Konermann S, Brigham MD, Trevino AE, Joung J, Abudayyeh OO, Barcena
- 拷贝数:
- High copy number
- 启动子:
- EF-1α
- 感受态:
- stbl3
- 培养温度:
- 37℃
产品信息
质粒编号:V012347
质粒名称:dCAS9-VP64_GFP
规格:5 μg (冻干粉)
下载资源
我们所展示的质粒图谱主要是从文献和开放数据库中收集而来，主要是为了方便研究工作，其中一小部分质粒进行了质量控制，供学术研究使用。
确保质粒的关键元件正确，但是我们并不能保证实验效果。页面展示的图谱序列为理论序列，可能与测序结果不一致，请自行比对后确定是否满足要求。(如果测过序，本页面一般会提供下载)
开放数据库中的大多数载体序列都没有被完全测序。如果实际序列与参考序列的相似度超过99%，则将其视为正确。
由于科学研究是在探索未知，具有很大的不确定性，在任何情况下，我们都不承担超出质粒本身的额外经济损失或责任。
质粒操作方法
1. 发货形式：质粒干粉(常温运输，存于-20度，请务必先转化提质粒后使用)
2. 收到质粒干粉后请先5000rpm离心1min，再加入20μl ddH2O溶解质粒;（质粒复测的浓度有时候与标称值差距较大，这可能是因为冻干质粒在管中的位置、复溶效率、测量偏差以及管壁的吸附导致，因此建议先转化提质粒后再使用）
3. 取1支100μl 感受态于冰上解冻10min，加入2μl质粒，再冰浴30min后，42℃热激60s，不要搅动，再冰浴2min；
4. 加入900μl无抗的LB液体培养基，180rpm震荡37℃培养45min (30℃培养1-1.5小时);
5. 6000rpm离心5min，仅留100μl上清液重悬细菌沉淀，并涂布至目标质粒抗性的LB平板上;
6. 将平板倒置37℃培养14h，如果要求是30℃则培养20h; (菌落过多则将质粒稀释后再转化；没有菌落则加入10μl质粒转化；建议不要直接转表达感受态，要先转克隆感受态，重提质粒后再导入表达感受态);
7. 挑取单菌落至LB液体培养基中，加入对应抗生素，220rpm震荡培养14h，根据实验需要和质粒提取试剂盒说明书提取质粒。
参考文献
- Genome-scale transcriptional activation by an engineered CRISPR-Cas9 complex. Konermann S, Brigham MD, Trevino AE, Joung J, Abudayyeh OO, Barcena C, Hsu PD, Habib N, Gootenberg JS, Nishimasu H, Nureki O, Zhang F. Nature. 2014 Dec 10. doi: 10.1038/nature14136. 10.1038/nature14136 PubMed 25494202
dCAS9-VP64_GFP 质粒 (编号: V012347)序列
LOCUS Exported 14383 bp DNA circular SYN 12-DEC-2024
DEFINITION Exported.
ACCESSION V012347
VERSION .
KEYWORDS dCAS9-VP64_GFP
SOURCE synthetic DNA construct
ORGANISM synthetic DNA construct
REFERENCE 1 (bases 1 to 14383)
AUTHORS Konermann S, Brigham MD, Trevino AE, Joung J, Abudayyeh OO, Barcena
C, Hsu PD, Habib N, Gootenberg JS, Nishimasu H, Nureki O, Zhang F.
TITLE Genome-scale transcriptional activation by an engineered CRISPR-Cas9
complex.
JOURNAL Nature 2015;517:583-8.
PUBMED 25494202
REFERENCE 2 (bases 1 to 14383)
AUTHORS Zhang Lab / Addgene #61422
TITLE Direct Submission
REFERENCE 3 (bases 1 to 14383)
TITLE Direct Submission
REFERENCE 4 (bases 1 to 14383)
AUTHORS .
TITLE Direct Submission
COMMENT SGRef: number: 1; type: "Journal Article"; journalName: "Nature";
date: "2015"; volume: "517"
COMMENT SGRef: number: 2; type: "Journal Article"
COMMENT SGRef: number: 3; type: "Journal Article"
FEATURES Location/Qualifiers
source 1..14383
/mol_type="other DNA"
/organism="synthetic DNA construct"
enhancer 238..617
/label=CMV enhancer
/note="human cytomegalovirus immediate early enhancer"
promoter 619..817
/label=CMV promoter
/note="human cytomegalovirus (CMV) immediate early
promoter"
LTR 835..1015
/label=5' LTR (truncated)
/note="truncated 5' long terminal repeat (LTR) from HIV-1"
misc_feature 1062..1187
/label=HIV-1 Psi
/note="packaging signal of human immunodeficiency virus
type 1"
misc_feature 1680..1913
/label=RRE
/note="The Rev response element (RRE) of HIV-1 allows for
Rev-dependent mRNA export from the nucleus to the
cytoplasm."
CDS 2098..2142
/codon_start=1
/product="antigenic peptide corresponding to amino acids
655 to 669 of the HIV envelope protein gp41 (Lutje Hulsik
et al., 2013)"
/label=gp41 peptide
/note="recognized by the 2H10 single-chain llama nanobody"
/translation="KNEQELLELDKWASL"
misc_feature 2440..2557
/label=cPPT/CTS
/note="central polypurine tract and central termination
sequence of HIV-1"
promoter 2682..3860
/label=EF-1-alpha promoter
/note="strong constitutive promoter for human elongation
factor EF-1-alpha"
intron 2913..3851
/label=EF-1-alpha intron A
/note="intron upstream of the start codon of human
EF-1-alpha"
CDS 3879..3899
/codon_start=1
/product="nuclear localization signal of SV40 (simian virus
40) large T antigen"
/label=SV40 NLS
/translation="PKKKRKV"
CDS 3909..8009
/codon_start=1
/product="catalytically dead mutant of the Cas9
endonuclease from the Streptococcus pyogenes Type II
CRISPR/Cas system"
/label=dCas9
/note="RNA-guided DNA-binding protein that lacks
endonuclease activity due to the D10A mutation in the RuvC
catalytic domain and the H840A mutation in the HNH
catalytic domain"
/translation="DKKYSIGLAIGTNSVGWAVITDEYKVPSKKFKVLGNTDRHSIKKN
LIGALLFDSGETAEATRLKRTARRRYTRRKNRICYLQEIFSNEMAKVDDSFFHRLEESF
LVEEDKKHERHPIFGNIVDEVAYHEKYPTIYHLRKKLVDSTDKADLRLIYLALAHMIKF
RGHFLIEGDLNPDNSDVDKLFIQLVQTYNQLFEENPINASGVDAKAILSARLSKSRRLE
NLIAQLPGEKKNGLFGNLIALSLGLTPNFKSNFDLAEDAKLQLSKDTYDDDLDNLLAQI
GDQYADLFLAAKNLSDAILLSDILRVNTEITKAPLSASMIKRYDEHHQDLTLLKALVRQ
QLPEKYKEIFFDQSKNGYAGYIDGGASQEEFYKFIKPILEKMDGTEELLVKLNREDLLR
KQRTFDNGSIPHQIHLGELHAILRRQEDFYPFLKDNREKIEKILTFRIPYYVGPLARGN
SRFAWMTRKSEETITPWNFEEVVDKGASAQSFIERMTNFDKNLPNEKVLPKHSLLYEYF
TVYNELTKVKYVTEGMRKPAFLSGEQKKAIVDLLFKTNRKVTVKQLKEDYFKKIECFDS
VEISGVEDRFNASLGTYHDLLKIIKDKDFLDNEENEDILEDIVLTLTLFEDREMIEERL
KTYAHLFDDKVMKQLKRRRYTGWGRLSRKLINGIRDKQSGKTILDFLKSDGFANRNFMQ
LIHDDSLTFKEDIQKAQVSGQGDSLHEHIANLAGSPAIKKGILQTVKVVDELVKVMGRH
KPENIVIEMARENQTTQKGQKNSRERMKRIEEGIKELGSQILKEHPVENTQLQNEKLYL
YYLQNGRDMYVDQELDINRLSDYDVDAIVPQSFLKDDSIDNKVLTRSDKNRGKSDNVPS
EEVVKKMKNYWRQLLNAKLITQRKFDNLTKAERGGLSELDKAGFIKRQLVETRQITKHV
AQILDSRMNTKYDENDKLIREVKVITLKSKLVSDFRKDFQFYKVREINNYHHAHDAYLN
AVVGTALIKKYPKLESEFVYGDYKVYDVRKMIAKSEQEIGKATAKYFFYSNIMNFFKTE
ITLANGEIRKRPLIETNGETGEIVWDKGRDFATVRKVLSMPQVNIVKKTEVQTGGFSKE
SILPKRNSDKLIARKKDWDPKKYGGFDSPTVAYSVLVVAKVEKGKSKKLKSVKELLGIT
IMERSSFEKNPIDFLEAKGYKEVKKDLIIKLPKYSLFELENGRKRMLASAGELQKGNEL
ALPSKYVNFLYLASHYEKLKGSPEDNEQKQLFVEQHKHYLDEIIEQISEFSKRVILADA
NLDKVLSAYNKHRDKPIREQAENIIHLFTLTNLGAPAAFKYFDTTIDRKRYTSTKEVLD
ATLIHQSITGLYETRIDLSQLGGD"
CDS 8064..8084
/codon_start=1
/product="nuclear localization signal of SV40 (simian virus
40) large T antigen"
/label=SV40 NLS
/translation="PKKKRKV"
CDS 8109..8258
/codon_start=1
/product="tetrameric repeat of the minimal activation
domain of herpes simplex virus VP16 (Beerli et al., 1998)"
/label=VP64
/translation="DALDDFDLDMLGSDALDDFDLDMLGSDALDDFDLDMLGSDALDDF
DLDML"
CDS 8280..8333
/codon_start=1
/product="2A peptide from Thosea asigna virus capsid
protein"
/label=T2A
/note="Eukaryotic ribosomes fail to insert a peptide bond
between the Gly and Pro residues, yielding separate
polypeptides."
/translation="EGRGSLLTCGDVEENPGP"
CDS 8334..9050
/codon_start=1
/product="the original enhanced GFP (Yang et al., 1996)"
/label=EGFP
/note="mammalian codon-optimized"
/translation="VSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLK
FICTTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKQHDFFKSAMPEGYVQERTIFFKDDG
NYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNGIKV
NFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLLE
FVTAAGITLGMDELYK"
misc_feature 9075..9663
/label=WPRE
/note="woodchuck hepatitis virus posttranscriptional
regulatory element"
CDS complement(9546..9557)
/codon_start=1
/product="Factor Xa recognition and cleavage site"
/label=Factor Xa site
/translation="IEGR"
primer_bind complement(9666..9682)
/label=KS primer
/note="common sequencing primer, one of multiple similar
variants"
LTR 10188..10368
/label=5' LTR (truncated)
/note="truncated 5' long terminal repeat (LTR) from HIV-1"
polyA_signal 10400..10624
/label=bGH poly(A) signal
/note="bovine growth hormone polyadenylation signal"
rep_origin 10670..11098
/direction=RIGHT
/label=f1 ori
/note="f1 bacteriophage origin of replication; arrow
indicates direction of (+) strand synthesis"
promoter 11112..11441
/label=SV40 promoter
/note="SV40 enhancer and early promoter"
rep_origin 11292..11427
/label=SV40 ori
/note="SV40 origin of replication"
promoter 11489..11536
/label=EM7 promoter
/note="synthetic bacterial promoter "
CDS 11555..11929
/codon_start=1
/gene="Sh ble from Streptoalloteichus hindustanus"
/product="antibiotic-binding protein"
/label=BleoR
/note="confers resistance to bleomycin, phleomycin, and
Zeocin(TM)"
/translation="MAKLTSAVPVLTARDVAGAVEFWTDRLGFSRDFVEDDFAGVVRDD
VTLFISAVQDQVVPDNTLAWVWVRGLDELYAEWSEVVSTNFRDASGPAMTEIGEQPWGR
EFALRDPAGNCVHFVAEEQD"
polyA_signal 12059..12180
/label=SV40 poly(A) signal
/note="SV40 polyadenylation signal"
primer_bind complement(12229..12245)
/label=M13 rev
/note="common sequencing primer, one of multiple similar
variants"
protein_bind 12253..12269
/label=lac operator
/bound_moiety="lac repressor encoded by 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)."
promoter complement(12277..12307)
/label=lac promoter
/note="promoter for the E. coli lac operon"
protein_bind 12322..12343
/label=CAP binding site
/bound_moiety="E. coli catabolite activator protein"
/note="CAP binding activates transcription in the presence
of cAMP."
rep_origin complement(12631..13219)
/direction=LEFT
/label=ori
/note="high-copy-number ColE1/pMB1/pBR322/pUC origin of
replication"
CDS complement(13390..14250)
/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"
promoter complement(14251..14355)
/gene="bla"
/label=AmpR promoter