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。

You may want to buy the envelope plasmid pMD2.G here.

载体名称:
psPAX2
载体抗性:
Ampicillin
载体长度:
10709 bp
载体类型:
Viral Expression & Packaging Vectors
复制子:
ori
载体来源:
Addgene
拷贝数:
High copy number
感受态:
DH10B

psPAX2 载体图谱

psPAX210709 bp5001000150020002500300035004000450050005500600065007000750080008500900095001000010500HIV-1 polProtein TatRREeEnv(Tat/Rev)beta-globin poly(A) signalM13 revlac operatorlac promoterCAP binding siteSV40 promoterSV40 poly(A) signaloriAmpRAmpR promoterCMV enhancerchimeric intron

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。

psPAX2 载体序列

LOCUS       Exported               10709 bp DNA     circular SYN 26-AUG-2024
DEFINITION  synthetic circular DNA.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 10709)
  TITLE     Direct Submission
REFERENCE   2  (bases 1 to 10709)
  AUTHORS   .
  TITLE     Direct Submission
COMMENT     SGRef: number: 1; type: "Journal Article"
FEATURES             Location/Qualifiers
     source          1..10709
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     source          9870..9910
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     CDS             439..1941
                     /codon_start=1
                     /gene="gag"
                     /product="gag protein from human immunodeficiency virus 1"
                     /label=HIV-1 gag
                     /translation="MGARASVLSGGELDRWEKIRLRPGGKKKYKLKHIVWASRELERFA
                     VNPGLLETSEGCRQILGQLQPSLQTGSEELRSLYNTVATLYCVHQRIEIKDTKEALDKI
                     EEEQNKSKKKAQQAAADTGHSNQVSQNYPIVQNIQGQMVHQAISPRTLNAWVKVVEEKA
                     FSPEVIPMFSALSEGATPQDLNTMLNTVGGHQAAMQMLKETINEEAAEWDRVHPVHAGP
                     IAPGQMREPRGSDIAGTTSTLQEQIGWMTHNPPIPVGEIYKRWIILGLNKIVRMYSPTS
                     ILDIRQGPKEPFRDYVDRFYKTLRAEQASQEVKNWMTETLLVQNANPDCKTILKALGPG
                     ATLEEMMTACQGVGGPGHKARVLAEAMSQVTNPATIMIQKGNFRNQRKTVKCFNCGKEG
                     HIAKNCRAPRKKGCWKCGKEGHQMKDCTERQANFLGKIWPSHKGRPGNFLQSRPEPTAP
                     PEESFRFGEETTTPSQKQEPIDKELYPLASLRSLFGSDPSSQ"
     CDS             1734..4745
                     /codon_start=1
                     /gene="pol"
                     /product="pol protein from human immunodeficiency virus 1"
                     /label=HIV-1 pol
                     /translation="FFREDLAFPQGKAREFSSEQTRANSPTRRELQVWGRDNNSLSEAG
                     ADRQGTVSFSFPQITLWQRPLVTIKIGGQLKEALLDTGADDTVLEEMNLPGRWKPKMIG
                     GIGGFIKVRQYDQILIEICGHKAIGTVLVGPTPVNIIGRNLLTQIGCTLNFPISPIETV
                     PVKLKPGMDGPKVKQWPLTEEKIKALVEICTEMEKEGKISKIGPENPYNTPVFAIKKKD
                     STKWRKLVDFRELNKRTQDFWEVQLGIPHPAGLKQKKSVTVLDVGDAYFSVPLDKDFRK
                     YTAFTIPSINNETPGIRYQYNVLPQGWKGSPAIFQCSMTKILEPFRKQNPDIVIYQYMD
                     DLYVGSDLEIGQHRTKIEELRQHLLRWGFTTPDKKHQKEPPFLWMGYELHPDKWTVQPI
                     VLPEKDSWTVNDIQKLVGKLNWASQIYAGIKVRQLCKLLRGTKALTEVVPLTEEAELEL
                     AENREILKEPVHGVYYDPSKDLIAEIQKQGQGQWTYQIYQEPFKNLKTGKYARMKGAHT
                     NDVKQLTEAVQKIATESIVIWGKTPKFKLPIQKETWEAWWTEYWQATWIPEWEFVNTPP
                     LVKLWYQLEKEPIIGAETFYVDGAANRETKLGKAGYVTDRGRQKVVPLTDTTNQKTELQ
                     AIHLALQDSGLEVNIVTDSQYALGIIQAQPDKSESELVSQIIEQLIKKEKVYLAWVPAH
                     KGIGGNEQVDKLVSAGIRKVLFLDGIDKAQEEHEKYHSNWRAMASDFNLPPVVAKEIVA
                     SCDKCQLKGEAMHGQVDCSPGIWQLDCTHLEGKVILVAVHVASGYIEAEVIPAETGQET
                     AYFLLKLAGRWPVKTVHTDNGSNFTSTTVKAACWWAGIKQEFGIPYNPQSQGVIESMNK
                     ELKKIIGQVRDQAEHLKTAVQMAVFIHNFKRKGGIGGYSAGERIVDIIATDIQTKELQK
                     QITKIQNFRVYYRDSRDPVWKGPAKLLWKGEGAVVIQDNSDIKVVPRRKAKIIRDYGKQ
                     MAGDDCVASRQDED"
     misc_feature    4430..4547
                     /label=cPPT/CTS
                     /note="central polypurine tract and central termination
                     sequence of HIV-1"
     CDS             4839..5012
                     /codon_start=1
                     /label=Protein Tat
                     /translation="MEPVDPRLEPWKHPGSQPKTACTNCYCKKCCFHCQVCFMTKALGI
                     SYGRKKRRQRRRA"
     misc_feature    5319..5552
                     /label=RRE
                     /note="The Rev response element (RRE) of HIV-1 allows for 
                     Rev-dependent mRNA export from the nucleus to the 
                     cytoplasm."
     misc_feature    5688..6347
                     /label=eEnv(Tat/Rev)
     CDS             5737..5781
                     /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"
     CDS             5930..5971
                     /codon_start=1
                     /label=Protein Tat
                     /translation="PTSQPRGDPTGPKE"
     CDS             6075..6101
                     /codon_start=1
                     /product="nuclear export signal from the HIV Rev protein
                     (Fischer et al., 1995)"
                     /label=NES
                     /translation="LPPLERLTL"
     polyA_signal    6451..6506
                     /label=beta-globin poly(A) signal
                     /note="rabbit beta-globin polyadenylation signal (Gil and 
                     Proudfoot, 1987)"
     primer_bind     complement(6867..6883)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     protein_bind    6891..6907
                     /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(6915..6945)
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    6960..6981
                     /label=CAP binding site
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding activates transcription in the presence
                     of cAMP."
     promoter        7040..7235
                     /label=SV40 promoter
                     /note="SV40 early promoter"
     rep_origin      7086..7221
                     /label=SV40 ori
                     /note="SV40 origin of replication"
     polyA_signal    7241..7375
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     rep_origin      complement(7614..8202)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     CDS             complement(8373..9233)
                     /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(9234..9338)
                     /gene="bla"
                     /label=AmpR promoter
     enhancer        9369..9748
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
     intron          join(10026..10709,1..333)
                     /label=chimeric intron
                     /note="chimera between introns from chicken beta-actin and 
                     rabbit beta-globin"