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学术研究使用,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:
- pcDNA3.1-PIWIL1(human)-EGFP
- 载体抗性:
- Ampicillin
- Refseq ID:
- NM_004764.5
- 载体长度:
- 8761 bp
- 载体类型:
- Protein expression
- 复制子:
- ori
- 宿主:
- Mammalian cells
- 筛选标记:
- Neo/G418;EGFP
- 启动子:
- CMV
- 载体标签:
- EGFP
- 表达方法:
- Transient
- 描述:
- Homo sapiens piwi like RNA-mediated gene silencing 1 (PIWIL1), transcript variant 1, mRNA
pcDNA3.1-PIWIL1(human)-EGFP 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。
pcDNA3.1-PIWIL1(human)-EGFP 载体序列
LOCUS V022171 8761 bp DNA circular SYN 01-JAN-1980
DEFINITION synthetic circular DNA.
ACCESSION V022171
VERSION V022171
KEYWORDS .
SOURCE .
ORGANISM .
.
FEATURES Location/Qualifiers
enhancer 202..581
/note="human cytomegalovirus immediate early enhancer"
/label="CMV enhancer"
promoter 582..785
/note="human cytomegalovirus (CMV) immediate early
promoter"
/label="CMV promoter"
promoter 830..848
/note="promoter for bacteriophage T7 RNA polymerase"
/label="T7 promoter"
CDS 874..1590
/codon_start=1
/note="mammalian codon-optimized"
/product="the original enhanced GFP (Yang et al., 1996)"
/transl_table=1
/translation="M,V,SKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKL
TLKFICTTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKQHDFFKSAMPEGYVQERTIFFK
DDGNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNG
IKVNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMV
LLEFVTAAGITLGMDELYK"
/label="EGFP"
CDS 1666..4248
/label="PIWIL1(NM_004764)"
/note="PIWIL1(NM_004764)"
/gene="PIWIL1"
polyA_signal 4328..4552
/note="bovine growth hormone polyadenylation signal"
/label="bGH poly(A) signal"
rep_origin 4598..5026
/direction=RIGHT
/note="f1 bacteriophage origin of replication; arrow
indicates direction of (+) strand synthesis"
/label="f1 ori"
promoter 5040..5369
/note="SV40 enhancer and early promoter"
/label="SV40 promoter"
CDS 5436..6230
/codon_start=1
/gene="aph(3')-II (or nptII)"
/note="confers resistance to neomycin, kanamycin, and G418
(Geneticin®)"
/product="aminoglycoside phosphotransferase from Tn5"
/transl_table=1
/translation="MIEQDGLHAGSPAAWVERLFGYDWAQQTIGCSDAAVFRLSAQGRP
VLFVKTDLSGALNELQDEAARLSWLATTGVPCAAVLDVVTEAGRDWLLLGEVPGQDLLS
SHLAPAEKVSIMADAMRRLHTLDPATCPFDHQAKHRIERARTRMEAGLVDQDDLDEEHQ
GLAPAELFARLKARMPDGEDLVVTHGDACLPNIMVENGRFSGFIDCGRLGVADRYQDIA
LATRDIAEELGGEWADRFLVLYGIAAPDSQRIAFYRLLDEFF*"
/label="NeoR/KanR"
polyA_signal 6404..6525
/note="SV40 polyadenylation signal"
/label="SV40 poly(A) signal"
primer_bind complement(6574..6590)
/note="common sequencing primer, one of multiple similar
variants"
/label="M13 rev"
protein_bind 6598..6614
/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-β-D-thiogalactopyranoside (IPTG)."
/label="lac operator"
promoter complement(6622..6652)
/note="promoter for the E. coli lac operon"
/label="lac promoter"
protein_bind 6667..6688
/bound_moiety="E. coli catabolite activator protein"
/note="CAP binding activates transcription in the presence
of cAMP."
/label="CAP binding site"
rep_origin complement(6976..7561)
/direction=LEFT
/note="high-copy-number ColE1/pMB1/pBR322/pUC origin of
replication"
/label="ori"
CDS complement(7732..8592)
/codon_start=1
/gene="bla"
/note="confers resistance to ampicillin, carbenicillin, and
related antibiotics"
/product="β-lactamase"
/transl_table=1
/translation="MSIQHFRVALIPFFAAFCLPVFA,HPETLVKVKDAEDQLGARVGY
IELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEY
SPVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDR
WEPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRS
ALPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGA
SLIKHW*"
/label="AmpR"
promoter complement(8593..8697)
/gene="bla"
/label="AmpR promoter"