质粒编号
质粒名称
规格
价格
V017374
pEG BacMam
5 μg (冻干粉)

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。

The ​pEG BacMam​ plasmid is a mammalian expression vector optimized for structural biology studies of membrane proteins. Key features include: ​BacMam system: Enables high-yield protein production in mammalian cells via baculovirus transduction; ​EGFP fusion: C-terminal EGFP tag facilitates expression monitoring and purification; ​Mammalian promoters: CMV/T7 promoters drive robust expression in HEK293 or insect cells; ​Affinity tags: Optional His-tag or Strep-tag II for protein purification.

载体名称:
pEG BacMam
载体抗性:
Gentamycin
载体长度:
6893 bp
复制子:
ori
启动子:
CMV
感受态:
DH10B
培养温度:
37℃

pEG BacMam 载体图谱

pEG BacMam6893 bp3006009001200150018002100240027003000330036003900420045004800510054005700600063006600CMV promoterchimeric intronWPRESV40 poly(A) signalTn7Lf1 oriAmpR promoterAmpRoriTn7RGmRPc promoterHSV TK poly(A) signalp10 promoterpolyhedrin promoterCMV enhancer

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。

pEG BacMam 载体序列

LOCUS       62056_8915        6893 bp DNA     circular SYN 01-JAN-1980
DEFINITION  synthetic circular DNA.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 6893)
  AUTHORS   .
  TITLE     Direct Submission
FEATURES             Location/Qualifiers
     source          1..6893
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     promoter        3..206
                     /label=CMV promoter
                     /note="human cytomegalovirus (CMV) immediate early
                     promoter"
     intron          342..474
                     /label=chimeric intron
                     /note="chimera between introns from human beta-globin and 
                     immunoglobulin heavy chain genes"
     misc_feature    607..1195
                     /label=WPRE
                     /note="woodchuck hepatitis virus posttranscriptional
                     regulatory element"
     polyA_signal    1328..1462
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     mobile_element  complement(1491..1656)
                     /label=Tn7L
                     /note="mini-Tn7 element (left end of the Tn7 transposon)"
     rep_origin      1840..2294
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow
                     indicates direction of (+) strand synthesis"
     promoter        2320..2424
                     /label=AmpR promoter
     CDS             2425..3282
                     /codon_start=1
                     /label=AmpR
                     /note="beta-lactamase"
                     /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
                     ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYS
                     PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
                     EPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
                     LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
                     LIKHW"
     rep_origin      3456..4044
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     mobile_element  complement(4349..4573)
                     /label=Tn7R
                     /note="mini-Tn7 element (right end of the Tn7 transposon)"
     CDS             complement(4643..5173)
                     /codon_start=1
                     /label=GmR
                     /note="gentamycin acetyltransferase"
                     /translation="MLRSSNDVTQQGSRPKTKLGGSSMGIIRTCRLGPDQVKSMRAALD
                     LFGREFGDVATYSQHQPDSDYLGNLLRSKTFIALAAFDQEAVVGALAAYVLPKFEQPRS
                     EIYIYDLAVSGEHRRQGIATALINLLKHEANALGAYVIYVQADYGDDPAVALYTKLGIR
                     EEVMHFDIDPSTAT"
     promoter        complement(5362..5390)
                     /label=Pc promoter
                     /note="class 1 integron promoter"
     polyA_signal    complement(5907..5955)
                     /label=HSV TK poly(A) signal
                     /note="herpes simplex virus thymidine kinase
                     polyadenylation signal (Cole and Stacy, 1985)"
     promoter        complement(6091..6200)
                     /label=p10 promoter
                     /note="baculovirus promoter for expression in insect cells"
     promoter        6245..6336
                     /label=polyhedrin promoter
                     /note="promoter for the baculovirus polyhedrin gene"
     enhancer        6517..6893
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"