质粒编号
质粒名称
规格
价格
V011280
pCMV-PE2
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。

Note:

载体名称:
pCMV-PE2
载体抗性:
Ampicillin
载体长度:
9753 bp
载体类型:
Mammalian Expression
复制子:
ori
拷贝数:
High Copy
启动子:
CMV
克隆方法:
Ligation Independent Cloning
5'引物:
T7-forward
3'引物:
BGH-reverse
感受态:
DH10b
培养温度:
37℃

pCMV-PE2 载体图谱

pCMV-PE29753 bp4008001200160020002400280032003600400044004800520056006000640068007200760080008400880092009600CMV enhancerCMV promoterT7 promoterSV40 NLSCas9M-MLV RTSV40 NLS6xHisbGH poly(A) signalM13 revlac operatorlac promoterCAP binding siteL4440oriAmpRAmpR promoterpRS-marker

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。

pCMV-PE2 载体序列

LOCUS       Exported                9753 bp DNA     circular SYN 08-AUG-2024
DEFINITION  Prime editing in mammalian cells. This plasmid is used by PE2, PE3, 
            and PE3b.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 9753)
  AUTHORS   Anzalone AV, Randolph PB, Davis JR, Sousa AA, Koblan LW, Levy JM, 
            Chen PJ, Wilson C, Newby GA, Raguram A, Liu DR
  TITLE     Search-and-replace genome editing without double-strand breaks or 
            donor DNA.
  JOURNAL   Nature. 2019 Oct 21. pii: 10.1038/s41586-019-1711-4. doi: 
            10.1038/s41586-019-1711-4.
  PUBMED    31634902
REFERENCE   2  (bases 1 to 9753)
  TITLE     Direct Submission
REFERENCE   3  (bases 1 to 9753)
  TITLE     Direct Submission
REFERENCE   4  (bases 1 to 9753)
  AUTHORS   .
  TITLE     Direct Submission
COMMENT     SGRef: number: 1; type: "Journal Article"; journalName: "Nature. 
            2019 Oct 21. pii: 10.1038/s41586-019-1711-4. doi: 
            10.1038/s41586-019-1711-4."
COMMENT     SGRef: number: 2; type: "Journal Article"
COMMENT     SGRef: number: 3; type: "Journal Article"
FEATURES             Location/Qualifiers
     source          1..9753
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     enhancer        1..380
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
     promoter        381..584
                     /label=CMV promoter
                     /note="human cytomegalovirus (CMV) immediate early
                     promoter"
     promoter        626..644
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     CDS             694..714
                     /codon_start=1
                     /label=SV40 NLS
                     /note="nuclear localization signal of SV40 (simian virus
                     40) large T antigen"
                     /translation="PKKKRKV"
     CDS             715..4815
                     /codon_start=1
                     /product="Cas9 (Csn1) endonuclease from the Streptococcus 
                     pyogenes Type II CRISPR/Cas system"
                     /label=Cas9
                     /note="generates RNA-guided double strand breaks in DNA"
                     /translation="DKKYSIGLDIGTNSVGWAVITDEYKVPSKKFKVLGNTDRHSIKKN
                     LIGALLFDSGETAEATRLKRTARRRYTRRKNRICYLQEIFSNEMAKVDDSFFHRLEESF
                     LVEEDKKHERHPIFGNIVDEVAYHEKYPTIYHLRKKLVDSTDKADLRLIYLALAHMIKF
                     RGHFLIEGDLNPDNSDVDKLFIQLVQTYNQLFEENPINASGVDAKAILSARLSKSRRLE
                     NLIAQLPGEKKNGLFGNLIALSLGLTPNFKSNFDLAEDAKLQLSKDTYDDDLDNLLAQI
                     GDQYADLFLAAKNLSDAILLSDILRVNTEITKAPLSASMIKRYDEHHQDLTLLKALVRQ
                     QLPEKYKEIFFDQSKNGYAGYIDGGASQEEFYKFIKPILEKMDGTEELLVKLNREDLLR
                     KQRTFDNGSIPHQIHLGELHAILRRQEDFYPFLKDNREKIEKILTFRIPYYVGPLARGN
                     SRFAWMTRKSEETITPWNFEEVVDKGASAQSFIERMTNFDKNLPNEKVLPKHSLLYEYF
                     TVYNELTKVKYVTEGMRKPAFLSGEQKKAIVDLLFKTNRKVTVKQLKEDYFKKIECFDS
                     VEISGVEDRFNASLGTYHDLLKIIKDKDFLDNEENEDILEDIVLTLTLFEDREMIEERL
                     KTYAHLFDDKVMKQLKRRRYTGWGRLSRKLINGIRDKQSGKTILDFLKSDGFANRNFMQ
                     LIHDDSLTFKEDIQKAQVSGQGDSLHEHIANLAGSPAIKKGILQTVKVVDELVKVMGRH
                     KPENIVIEMARENQTTQKGQKNSRERMKRIEEGIKELGSQILKEHPVENTQLQNEKLYL
                     YYLQNGRDMYVDQELDINRLSDYDVDAIVPQSFLKDDSIDNKVLTRSDKNRGKSDNVPS
                     EEVVKKMKNYWRQLLNAKLITQRKFDNLTKAERGGLSELDKAGFIKRQLVETRQITKHV
                     AQILDSRMNTKYDENDKLIREVKVITLKSKLVSDFRKDFQFYKVREINNYHHAHDAYLN
                     AVVGTALIKKYPKLESEFVYGDYKVYDVRKMIAKSEQEIGKATAKYFFYSNIMNFFKTE
                     ITLANGEIRKRPLIETNGETGEIVWDKGRDFATVRKVLSMPQVNIVKKTEVQTGGFSKE
                     SILPKRNSDKLIARKKDWDPKKYGGFDSPTVAYSVLVVAKVEKGKSKKLKSVKELLGIT
                     IMERSSFEKNPIDFLEAKGYKEVKKDLIIKLPKYSLFELENGRKRMLASAGELQKGNEL
                     ALPSKYVNFLYLASHYEKLKGSPEDNEQKQLFVEQHKHYLDEIIEQISEFSKRVILADA
                     NLDKVLSAYNKHRDKPIREQAENIIHLFTLTNLGAPAAFKYFDTTIDRKRYTSTKEVLD
                     ATLIHQSITGLYETRIDLSQLGGD"
     CDS             4915..6945
                     /codon_start=1
                     /product="M-MLV RT(D200N, T306K, W313F, T330P, L603W) is 
                     from the Moloney murine leukemia virus"
                     /label=M-MLV RT
                     /translation="TLNIEDEYRLHETSKEPDVSLGSTWLSDFPQAWAETGGMGLAVRQ
                     APLIIPLKATSTPVSIKQYPMSQEARLGIKPHIQRLLDQGILVPCQSPWNTPLLPVKKP
                     GTNDYRPVQDLREVNKRVEDIHPTVPNPYNLLSGLPPSHQWYTVLDLKDAFFCLRLHPT
                     SQPLFAFEWRDPEMGISGQLTWTRLPQGFKNSPTLFNEALHRDLADFRIQHPDLILLQY
                     VDDLLLAATSELDCQQGTRALLQTLGNLGYRASAKKAQICQKQVKYLGYLLKEGQRWLT
                     EARKETVMGQPTPKTPRQLREFLGKAGFCRLFIPGFAEMAAPLYPLTKPGTLFNWGPDQ
                     QKAYQEIKQALLTAPALGLPDLTKPFELFVDEKQGYAKGVLTQKLGPWRRPVAYLSKKL
                     DPVAAGWPPCLRMVAAIAVLTKDAGKLTMGQPLVILAPHAVEALVKQPPDRWLSNARMT
                     HYQALLLDTDRVQFGPVVALNPATLLPLPEEGLQHNCLDILAEAHGTRPDLTDQPLPDA
                     DHTWYTDGSSLLQEGQRKAGAAVTTETEVIWAKALPAGTSAQRAELIALTQALKMAEGK
                     KLNVYTDSRYAFATAHIHGEIYRRRGWLTSEGKEIKNKDEILALLKALFLPKRLSIIHC
                     PGHQKGHSAEARGNRMADQAARKAAITETPDTSTLLIENSSP"
     CDS             6988..7008
                     /codon_start=1
                     /label=SV40 NLS
                     /note="nuclear localization signal of SV40 (simian virus
                     40) large T antigen"
                     /translation="PKKKRKV"
     CDS             7017..7034
                     /codon_start=1
                     /label=6xHis
                     /note="6xHis affinity tag"
                     /translation="HHHHHH"
     polyA_signal    7063..7287
                     /label=bGH poly(A) signal
                     /note="bovine growth hormone polyadenylation signal"
     primer_bind     complement(7358..7374)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     protein_bind    complement(7382..7398)
                     /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(7406..7436)
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    complement(7451..7472)
                     /label=CAP binding site
                     /note="CAP binding activates transcription in the presence
                     of cAMP."
     primer_bind     complement(7589..7606)
                     /label=L4440
                     /note="L4440 vector, forward primer"
     rep_origin      complement(7760..8348)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     CDS             complement(8519..9379)
                     /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(9380..9484)
                     /label=AmpR promoter
     primer_bind     complement(9563..9582)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable
                     marker"