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。

p10A1 expresses the 10A1 envelope protein under the control of the CMV immediate-early promoter (1).Virus packagedwith the 10A1 envelope protein can enter cells via two different surface molecules, the amphotropic retrovirus receptor or the GALV receptor, and therefore exhibits a broader host range than virus packaged with other envelope proteins (2, 3, 4). p10A1 includes IVS, a synthetic intron known to enhance the stability of the mRNA (5), the pUC origin of replication, and a bacterial ampicillin resistance (Ampr) gene for propagation and antibiotic selection in bacteria.

载体名称:
p10A1
载体抗性:
Ampicillin
载体长度:
6732 bp
载体类型:
Retroviral Envelope Plasmids
复制子:
ori
启动子:
CMV
感受态:
DH10B

p10A1 载体图谱

p10A16732 bp3006009001200150018002100240027003000330036003900420045004800510054005700600063006600CMV enhancerCMV promoterbeta-globin intronenvbeta-globin poly(A) signalM13 revlac operatorlac promoterCAP binding siteoriAmpRAmpR promoterf1 oriM13 fwdT7 promoter

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。

p10A1 载体序列

LOCUS       40924_2358        6732 bp DNA     circular SYN 13-JAN-2022
DEFINITION  synthetic circular DNA.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 6732)
  TITLE     Direct Submission
REFERENCE   2  (bases 1 to 6732)
  AUTHORS   .
  TITLE     Direct Submission
COMMENT     SGRef: number: 1; type: "Journal Article"
FEATURES             Location/Qualifiers
     source          1..6732
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     enhancer        97..476
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
     promoter        477..680
                     /label=CMV promoter
                     /note="human cytomegalovirus (CMV) immediate early
                     promoter"
     intron          792..1364
                     /label=beta-globin intron
                     /note="intron from rabbit beta-globin gene"
     CDS             1438..3399
                     /codon_start=1
                     /label=env
                     /note="murine leukemia virus gPr80 envelope polyprotein 
                     precursor"
                     /translation="MARSTLSKPPQDKINPWKPLIVMGVLLGVGMAESPHQVFNVTWRV
                     TNLMTGRTANATSLLGTVQDAFPKLYFDLCDLVGEEWDPSDQEPYVGYGCKYPAGRQRT
                     RTFDFYVCPGHTVKSGCGGPGEGYCGKWGCETTGQAYWKSTSSWDLISLKRGNTPWDTG
                     CSKVACGPCYDLSKVSNSFQGATRGGRCNPLVLEFTDAGKKANWDGPKSWGLRLYRTGT
                     DPITMFSLTRQVLNVGPRVPIGPNPVLPDQRLPSSPIEIVPAPQPPSPLNTSYPPSTTS
                     TPSTSPTSPSVPQPPPGTGDRLLALVKGAYQALNLTNPDKTQECWLCLVSGPPYYEGVA
                     VVGTYTNHSTAPANCTATSQHKLTLSEVTGQGLCMGAVPKTHQALCNTTQSAGSGSYYL
                     AAPAGTMWACSTGLTPCLSTTVLNLTTDYCVLVELWPRVIYHSPDYMYGQLEQRTKYKR
                     EPVSLTLALLLGGLTMGGIAAGIGTGTTALIKTQQFEQLHAAIQTDLNEVEKSITNLEK
                     SLTSLSEVVLQNRRGLDLLFLKEGGLCAALKEECCFYADHTGLVRDSMAKLRERLNQRQ
                     KLFETGQGWFEGLFNRSPWFTTLISTIMGPLIVLLLILLFGPCILNRLVQFVKDRISVV
                     QALVLTQQYHQLKPIEYEP"
     polyA_signal    3502..3557
                     /label=beta-globin poly(A) signal
                     /note="rabbit beta-globin polyadenylation signal (Gil and 
                     Proudfoot, 1987)"
     primer_bind     complement(3915..3931)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     protein_bind    complement(3939..3955)
                     /label=lac operator
                     /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(3963..3993)
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    complement(4008..4029)
                     /label=CAP binding site
                     /note="CAP binding activates transcription in the presence
                     of cAMP."
     rep_origin      complement(4317..4905)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     CDS             complement(5079..5936)
                     /codon_start=1
                     /label=AmpR
                     /note="beta-lactamase"
                     /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
                     ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYS
                     PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
                     EPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
                     LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
                     LIKHW"
     promoter        complement(5937..6041)
                     /label=AmpR promoter
     rep_origin      complement(6067..6522)
                     /direction=LEFT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow
                     indicates direction of (+) strand synthesis"
     primer_bind     6664..6680
                     /label=M13 fwd
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     promoter        6690..6708
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"