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:
- pLVX-EF1a-IRES-EGFP-Neo
- 载体抗性:
- Ampicillin
- 载体长度:
- 9737 bp
- 载体类型:
- Mammalian cells, Lentivirus
- 载体来源:
- NovoPro
- 筛选标记:
- Neomycin/G418(Geneticin)
- 拷贝数:
- High copy number
- 启动子:
- EF1a
- 感受态:
- Top10
- 培养温度:
- 37℃
pLVX-EF1a-IRES-EGFP-Neo 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。
pLVX-EF1a-IRES-EGFP-Neo 载体序列
LOCUS Exported 9737 bp DNA circular SYN 11-MAR-2025
DEFINITION synthetic circular DNA.
ACCESSION .
VERSION .
KEYWORDS pLVX-EF1a-IRES-EGFP-Neo
SOURCE synthetic DNA construct
ORGANISM synthetic DNA construct
REFERENCE 1 (bases 1 to 9737)
TITLE Direct Submission
REFERENCE 2 (bases 1 to 9737)
AUTHORS .
TITLE Direct Submission
COMMENT SGRef: number: 1; type: "Journal Article"
FEATURES Location/Qualifiers
source 1..9737
/mol_type="other DNA"
/organism="synthetic DNA construct"
LTR 1..634
/label=3' LTR
/note="3' long terminal repeat (LTR) from HIV-1"
misc_feature 681..806
/label=HIV-1 Psi
/note="packaging signal of human immunodeficiency virus
type 1"
misc_feature 1303..1536
/label=RRE
/note="The Rev response element (RRE) of HIV-1 allows for
Rev-dependent mRNA export from the nucleus to the
cytoplasm."
CDS 1721..1765
/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 2028..2143
/label=cPPT/CTS
/note="central polypurine tract and central termination
sequence of HIV-1 (lacking the first T)"
promoter 2338..3519
/label=EF-1-alpha promoter
/note="strong constitutive promoter for human elongation
factor EF-1-alpha"
intron 2568..3510
/label=EF-1-alpha intron A
/note="intron upstream of the start codon of human
EF-1-alpha"
misc_feature 3575..4148
/label=IRES
/note="internal ribosome entry site (IRES) of the
encephalomyocarditis virus (EMCV)"
CDS 4163..4879
/codon_start=1
/product="the original enhanced GFP (Yang et al., 1996)"
/label=EGFP
/note="mammalian codon-optimized"
/translation="MVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTL
KFICTTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKQHDFFKSAMPEGYVQERTIFFKDD
GNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNGIK
VNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLL
EFVTAAGITLGMDELYK"
CDS 4898..5689
/label=NeoR/KanR
/note="aminoglycoside phosphotransferase from Tn5"
misc_feature 5706..6294
/label=WPRE
/note="woodchuck hepatitis virus posttranscriptional
regulatory element"
CDS complement(6177..6188)
/codon_start=1
/product="Factor Xa recognition and cleavage site"
/label=Factor Xa site
/translation="IEGR"
LTR 6501..7134
/label=3' LTR
/note="3' long terminal repeat (LTR) from HIV-1"
primer_bind complement(7262..7278)
/label=M13 rev
/note="common sequencing primer, one of multiple similar
variants"
protein_bind 7286..7302
/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(7310..7340)
/label=lac promoter
/note="promoter for the E. coli lac operon"
protein_bind 7355..7376
/label=CAP binding site
/bound_moiety="E. coli catabolite activator protein"
/note="CAP binding activates transcription in the presence
of cAMP."
rep_origin complement(7664..8252)
/direction=LEFT
/label=ori
/note="high-copy-number ColE1/pMB1/pBR322/pUC origin of
replication"
CDS complement(8423..9283)
/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(9284..9388)
/gene="bla"
/label=AmpR promoter
polyA_signal 9436..9570
/label=SV40 poly(A) signal
/note="SV40 polyadenylation signal"