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:
- pCW-Cas9-Blast
- 载体抗性:
- Ampicillin
- 载体长度:
- 11686 bp
- 载体类型:
- Gene knockout, Tetracycline inducible
- 复制子:
- ori
- 宿主:
- Mammalian cells, Lentivirus
- 筛选标记:
- Blast
- 启动子:
- hPGK
- 感受态:
- Stbl3
- 培养温度:
- 37℃
pCW-Cas9-Blast 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。
pCW-Cas9-Blast 载体序列
LOCUS 62056_8130 11686 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 11686) AUTHORS . TITLE Direct Submission FEATURES Location/Qualifiers source 1..11686 /mol_type="other DNA" /organism="synthetic DNA construct" misc_feature 41..158 /label=cPPT/CTS /note="central polypurine tract and central termination sequence of HIV-1" promoter 212..526 /label=tight TRE promoter /note="Tet-responsive promoter PTight, consisting of seven tet operator sequences followed by the minimal CMV promoter" CDS 669..4769 /codon_start=1 /label=Cas9 /note="Cas9 (Csn1) endonuclease from the Streptococcus pyogenes Type II CRISPR/Cas system" /translation="DKKYSIGLDIGTNSVGWAVITDEYKVPSKKFKVLGNTDRHSIKKN LIGALLFDSGETAEATRLKRTARRRYTRRKNRICYLQEIFSNEMAKVDDSFFHRLEESF LVEEDKKHERHPIFGNIVDEVAYHEKYPTIYHLRKKLVDSTDKADLRLIYLALAHMIKF RGHFLIEGDLNPDNSDVDKLFIQLVQTYNQLFEENPINASGVDAKAILSARLSKSRRLE NLIAQLPGEKKNGLFGNLIALSLGLTPNFKSNFDLAEDAKLQLSKDTYDDDLDNLLAQI GDQYADLFLAAKNLSDAILLSDILRVNTEITKAPLSASMIKRYDEHHQDLTLLKALVRQ QLPEKYKEIFFDQSKNGYAGYIDGGASQEEFYKFIKPILEKMDGTEELLVKLNREDLLR KQRTFDNGSIPHQIHLGELHAILRRQEDFYPFLKDNREKIEKILTFRIPYYVGPLARGN SRFAWMTRKSEETITPWNFEEVVDKGASAQSFIERMTNFDKNLPNEKVLPKHSLLYEYF TVYNELTKVKYVTEGMRKPAFLSGEQKKAIVDLLFKTNRKVTVKQLKEDYFKKIECFDS VEISGVEDRFNASLGTYHDLLKIIKDKDFLDNEENEDILEDIVLTLTLFEDREMIEERL KTYAHLFDDKVMKQLKRRRYTGWGRLSRKLINGIRDKQSGKTILDFLKSDGFANRNFMQ LIHDDSLTFKEDIQKAQVSGQGDSLHEHIANLAGSPAIKKGILQTVKVVDELVKVMGRH KPENIVIEMARENQTTQKGQKNSRERMKRIEEGIKELGSQILKEHPVENTQLQNEKLYL YYLQNGRDMYVDQELDINRLSDYDVDHIVPQSFLKDDSIDNKVLTRSDKNRGKSDNVPS EEVVKKMKNYWRQLLNAKLITQRKFDNLTKAERGGLSELDKAGFIKRQLVETRQITKHV AQILDSRMNTKYDENDKLIREVKVITLKSKLVSDFRKDFQFYKVREINNYHHAHDAYLN AVVGTALIKKYPKLESEFVYGDYKVYDVRKMIAKSEQEIGKATAKYFFYSNIMNFFKTE ITLANGEIRKRPLIETNGETGEIVWDKGRDFATVRKVLSMPQVNIVKKTEVQTGGFSKE SILPKRNSDKLIARKKDWDPKKYGGFDSPTVAYSVLVVAKVEKGKSKKLKSVKELLGIT IMERSSFEKNPIDFLEAKGYKEVKKDLIIKLPKYSLFELENGRKRMLASAGELQKGNEL ALPSKYVNFLYLASHYEKLKGSPEDNEQKQLFVEQHKHYLDEIIEQISEFSKRVILADA NLDKVLSAYNKHRDKPIREQAENIIHLFTLTNLGAPAAFKYFDTTIDRKRYTSTKEVLD ATLIHQSITGLYETRIDLSQLGGD" promoter 4827..5337 /label=hPGK promoter /note="human phosphoglycerate kinase 1 promoter" CDS 5349..5744 /codon_start=1 /label=BSD /note="blasticidin S deaminase" /translation="MAKPLSQEESTLIERATATINSIPISEDYSVASAALSSDGRIFTG VNVYHFTGGPCAELVVLGTAAAAAAGNLTCIVAIGNENRGILSPCGRCRQVLLDLHPGI KAIVKDSDGQPTAVGIRELLPSGYVWEG" CDS 5745..5798 /codon_start=1 /label=T2A /note="2A peptide from Thosea asigna virus capsid protein" /translation="EGRGSLLTCGDVEENPGP" CDS 5799..6542 /codon_start=1 /label=rtTA-Advanced /note="improved tetracycline-controlled transactivator" /translation="MSRLDKSKVINGALELLNGVGIEGLTTRKLAQKLGVEQPTLYWHV KNKRALLDALPIEMLDRHHTHFCPLEGESWQDFLRNNAKSYRCALLSHRDGAKVHLGTR PTEKQYETLENQLAFLCQQGFSLENALYALSAVGHFTLGCVLEEQEHQVAKEERETPTT DSMPPLLRQAIELFDRQGAEPAFLFGLELIICGLEKQLKCESGGPTDALDDFDLDMLPA DALDDFDLDMLPADALDDFDLDMLPG" CDS complement(7003..7014) /codon_start=1 /label=Factor Xa site /note="Factor Xa recognition and cleavage site" /translation="IEGR" LTR 7219..7452 /label=3' LTR (Delta-U3) /note="self-inactivating 3' long terminal repeat (LTR) from HIV-1" polyA_signal 7524..7658 /label=SV40 poly(A) signal /note="SV40 polyadenylation signal" rep_origin 7685..7820 /label=SV40 ori /note="SV40 origin of replication" promoter 7821..7891 /label=AmpR promoter CDS 7892..8749 /codon_start=1 /label=AmpR /note="beta-lactamase" /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYS PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW EPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS LIKHW" rep_origin 8923..9511 /label=ori /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of replication" protein_bind 9799..9820 /label=CAP binding site /note="CAP binding activates transcription in the presence of cAMP." promoter 9835..9865 /label=lac promoter /note="promoter for the E. coli lac operon" promoter 9934..9952 /label=T3 promoter /note="promoter for bacteriophage T3 RNA polymerase" LTR 10207..10387 /label=5' LTR (truncated) /note="truncated 5' long terminal repeat (LTR) from HIV-1" misc_feature 10434..10559 /label=HIV-1 Psi /note="packaging signal of human immunodeficiency virus type 1" misc_feature 11052..11285 /label=RRE /note="The Rev response element (RRE) of HIV-1 allows for Rev-dependent mRNA export from the nucleus to the cytoplasm." CDS 11470..11514 /codon_start=1 /label=gp41 peptide /note="antigenic peptide corresponding to amino acids 655 to 669 of the HIV envelope protein gp41 (Lutje Hulsik et al., 2013)" /translation="KNEQELLELDKWASL"