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:
- pFC15K HaloTag CMVd1
- 载体抗性:
- Kanamycin
- 载体长度:
- 4177 bp
- 载体类型:
- Mammalian Expression Vectors
- 复制子:
- ori
- 载体来源:
- Promega
- 筛选标记:
- Neomycin/G418(Geneticin)
- 拷贝数:
- High copy number
- 启动子:
- CMVd1
pFC15K HaloTag CMVd1 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。
pFC15K HaloTag CMVd1 载体序列
LOCUS 40924_19796 4177 bp DNA circular SYN 01-JAN-1980
DEFINITION Flexi(R) vector with a kanamycin resistance marker, for mammalian
expression from a slightly compromised CMV promoter of a protein
with a cleavable C-terminal HaloTag(R).
ACCESSION .
VERSION .
KEYWORDS .
SOURCE synthetic DNA construct
ORGANISM synthetic DNA construct
REFERENCE 1 (bases 1 to 4177)
AUTHORS Promega
TITLE Direct Submission
REFERENCE 2 (bases 1 to 4177)
AUTHORS .
TITLE Direct Submission
COMMENT SGRef: number: 1; type: "Journal Article"
COMMENT Subclone a coding sequence between the SgfI/AsiSI and
EcoICRI/Eco53kI sites to remove the lethal barnase gene.
FEATURES Location/Qualifiers
source 1..4177
/mol_type="other DNA"
/organism="synthetic DNA construct"
promoter 1..100
/label=CMVd1 promoter
/note="truncated human cytomegalovirus (CMV) immediate
early promoter that yields slightly reduced expression
relative to the full-length promoter"
promoter 132..150
/label=T7 promoter
/note="promoter for bacteriophage T7 RNA polymerase"
promoter 156..174
/label=SP6 promoter
/note="promoter for bacteriophage SP6 RNA polymerase"
CDS 213..545
/codon_start=1
/label=barnase
/note="ribonuclease from Bacillus amyloliquefaciens"
/translation="MAQVINTFDGVADYLQTYHKLPDNYITKSEAQALGWVASKGNLAD
VAPGKSIGGDIFSNREGKLPGKSGRTWREADINYTSGFRNSDRILYSSDWLIYKTTDHY
QTFTKIR"
CDS 588..608
/codon_start=1
/label=TEV site
/note="tobacco etch virus (TEV) protease recognition and
cleavage site"
/translation="EDLYFQS"
CDS 621..1508
/codon_start=1
/label=HaloTag(R)
/note="modified bacterial dehalogenase that forms covalent
bonds with chloroalkane derivatives"
/translation="SEIGTGFPFDPHYVEVLGERMHYVDVGPRDGTPVLFLHGNPTSSY
VWRNIIPHVAPTHRCIAPDLIGMGKSDKPDLGYFFDDHVRFMDAFIEALGLEEVVLVIH
DWGSALGFHWAKRNPERVKGIAFMEFIRPIPTWDEWPEFARETFQAFRTTDVGRKLIID
QNVFIEGTLPMGVVRPLTEVEMDHYREPFLNPVDREPLWRFPNELPIAGEPANIVALVE
EYMDWLHQSPVPKLLFWGTPGVLIPPAEAARLAKSLPNCKAVDIGPGLNLLQEDNPDLI
GSEIARWLSTLEISG"
polyA_signal complement(1651..1772)
/label=SV40 poly(A) signal
/note="SV40 polyadenylation signal"
CDS 2171..2962
/codon_start=1
/label=NeoR/KanR
/note="aminoglycoside phosphotransferase from Tn5"
/translation="MLEQDGLHAGSPAAWVERLFGYDWAQQTIGCSDAAVFRLSAQGRP
VLFVKTDLSGALNELQDEAARLSWLATTGVPCAAVLDVVTEAGRDWLLLGEVPGQDLLS
SHLAPAEKVSIMADAMRRLHTLDPATCPFDHQAKHRIERARTRMEAGLVDQDDLDEEHQ
GLAPAELFARLKARMPDGEDLVVTHGDACLPNIMVENGRFSGFIDCGRLGVADRYQDIA
LATRDIAEELGGEWADRFLVLYGIAAPDSQRIAFYRLLDEFF"
rep_origin complement(3137..3725)
/direction=LEFT
/label=ori
/note="high-copy-number ColE1/pMB1/pBR322/pUC origin of
replication"
misc_feature 3841..4124
/label=cer region
/note="ColE1-derived recombination site that helps to
maintain plasmids as monomers"