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,可供科学家使用。
所有的产品都严格仅供科学研究使用,不能应用于临床试验,包括人体摄入、注射或外用的药理学用途。
确保质粒的关键元件正确,但是我们并不能保证实验结果。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。
- 载体名称:
- pHAGE EF1α dCas9-VP64
- 载体抗性:
- Ampicillin
- 载体长度:
- 12794 bp
- 载体类型:
- Mammalian Expression, Lentiviral, CRISPR
- 复制子:
- ori
- 筛选标记:
- Puromycin
- 拷贝数:
- High Copy
- 启动子:
- EF-1α
- 克隆方法:
- Gateway Cloning
- 5'引物:
- AGAGCTCGTTTAGTGAACCG
- 3'引物:
- MSCV-rev
pHAGE EF1α dCas9-VP64 载体图谱
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。
pHAGE EF1α dCas9-VP64 载体序列
LOCUS V000725 12794 bp DNA circular SYN 13-MAY-2021 DEFINITION Exported. ACCESSION V000725 VERSION V000725 KEYWORDS pHAGE EF1-alpha dCas9-VP64 SOURCE synthetic DNA construct ORGANISM synthetic DNA construct . REFERENCE 1 (bases 1 to 12794) AUTHORS Kearns NA, Genga RM, Enuameh MS, Garber M, Wolfe SA, Maehr R TITLE Cas9 effector-mediated regulation of transcription and differentiation in human pluripotent stem cells. JOURNAL Development. 2014 Jan;141(1):219-23. doi: 10.1242/dev.103341. PUBMED 24346702 REFERENCE 2 (bases 1 to 12794) TITLE Direct Submission REFERENCE 3 (bases 1 to 12794) AUTHORS . TITLE Direct Submission COMMENT SGRef: number: 1; type: "Journal Article"; doi: "10.1242/dev"; journalName: "Development"; date: "2014-01"; volume: "141"; issue: "1"; pages: "219-23" SGRef: number: 2; type: "Journal Article" FEATURES Location/Qualifiers source 1..12794 /mol_type="other DNA" /organism="synthetic DNA construct" CDS 67..93 /label="HA" /note="HA (human influenza hemagglutinin) epitope tag" promoter 126..625 /label="PGK promoter" /note="mouse phosphoglycerate kinase 1 promoter" CDS 646..1242 /label="PuroR" /note="puromycin N-acetyltransferase" misc_feature 1262..1850 /label="WPRE" /note="woodchuck hepatitis virus posttranscriptional regulatory element" LTR 1925..2158 /label="3' LTR (Delta-U3)" /note="self-inactivating 3' long terminal repeat (LTR) from HIV-1" primer_bind complement(2277..2295) /label="pBRforEco" /note="pBR322 vectors, upsteam of EcoRI site, forward primer" promoter 2363..2467 /label="AmpR promoter" CDS 2468..3325 /label="AmpR" /note="beta-lactamase" rep_origin 3499..4087 /label="ori" /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of replication" primer_bind 4241..4258 /label="L4440" /note="L4440 vector, forward primer" primer_bind 4350..4369 /label="SV40pro-F" /note="SV40 promoter/origin, forward primer" protein_bind 4498..4519 /label="CAP binding site" /note="CAP binding activates transcription in the presence of cAMP." promoter 4534..4564 /label="lac promoter" /note="promoter for the E. coli lac operon" protein_bind 4572..4588 /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)." primer_bind 4577..4599 /label="M13/pUC Reverse" /note="In lacZ gene" primer_bind 4596..4612 /label="M13 rev" /note="common sequencing primer, one of multiple similar variants" primer_bind 4596..4612 /label="M13 Reverse" /note="In lacZ gene. Also called M13-rev" primer_bind 4662..4681 /label="EBV-rev" /note="SV40 polyA terminator, reverse primer" LTR 4873..5506 /label="3' LTR" /note="3' long terminal repeat (LTR) from HIV-1" misc_feature 5553..5678 /label="HIV-1 Psi" /note="packaging signal of human immunodeficiency virus type 1" misc_feature 6175..6408 /label="RRE" /note="The Rev response element (RRE) of HIV-1 allows for Rev-dependent mRNA export from the nucleus to the cytoplasm." CDS 6593..6637 /label="gp41 peptide" /note="antigenic peptide corresponding to amino acids 655 to 669 of the HIV envelope protein gp41 (Lutje Hulsik et al., 2013)" CDS 6786..6827 /note="Protein Tat from Human immunodeficiency virus type 1 group M subtype B (isolate WMJ22). Accession#: P12509" /label="Protein Tat" misc_feature 6930..7047 /label="cPPT/CTS" /note="central polypurine tract and central termination sequence of HIV-1" promoter 7093..8271 /label="EF-1-alpha promoter" /note="strong constitutive promoter for human elongation factor EF-1-alpha" protein_bind 8306..8330 /gene="mutant version of attB" /label="attB1" /bound_moiety="BP Clonase(TM)" /note="recombination site for the Gateway(R) BP reaction" CDS 8340..12443 /label="dCas9" /note="catalytically dead mutant of the Cas9 endonuclease from the Streptococcus pyogenes Type II CRISPR/Cas system" CDS 12456..12476 /codon_start=1 /product="nuclear localization signal of SV40 (simian virus 40) large T antigen" /label="SV40 NLS" /translation="PKKKRKV" CDS 12477..12566 /label="3xHA" /note="three tandem HA epitope tags" CDS 12588..12737 /label="VP64" /note="tetrameric repeat of the minimal activation domain of herpes simplex virus VP16 (Beerli et al., 1998)"