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:
pCE-hSK
载体抗性:
Ampicillin
载体长度:
11877 bp
载体类型:
Mammalian Expression
复制子:
ori
拷贝数:
High Copy
启动子:
CAG
克隆方法:
Restriction Enzyme
5'引物:
pCAG-F
3'引物:
TTAGCCAGAAGTCAGATGCTC
感受态:
DH10B
培养温度:
37℃

pCE-hSK 载体图谱

pCE-hSK11877 bp50010001500200025003000350040004500500055006000650070007500800085009000950010000105001100011500CMV enhancerchicken beta-actin promoterchimeric intronpCAG-FhSOX2F2AhKLF4Bglob-pA-Rbeta-globin poly(A) signalIn lacZ genelac promoterCAP binding siteEBNA1oriPL4440oriAmpRAmpR 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。

pCE-hSK 载体序列

LOCUS       40924_10316       11877 bp DNA     circular SYN 13-MAY-2021
DEFINITION  Non-integrating (episomal) expression of human SOX2 and KLF4.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 11877)
  AUTHORS   Okita K, Yamakawa T, Matsumura Y, Sato Y, Amano N, Watanabe A, 
            Goshima N, Yamanaka S
  TITLE     An Efficient Non-viral Method to Generate Integration-Free Human iPS
            Cells from Cord Blood and Peripheral Blood Cells.
  JOURNAL   Stem Cells. 2012 Nov 29. doi: 10.1002/stem.1293.
  PUBMED    23193063
REFERENCE   2  (bases 1 to 11877)
  TITLE     Direct Submission
REFERENCE   3  (bases 1 to 11877)
  AUTHORS   .
  TITLE     Direct Submission
COMMENT     SGRef: number: 1; type: "Journal Article"; journalName: "Stem Cells.
            2012 Nov 29. doi: 10.1002/stem.1293."
COMMENT     SGRef: number: 2; type: "Journal Article"
FEATURES             Location/Qualifiers
     source          1..11877
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     enhancer        1..380
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
     promoter        382..659
                     /label=chicken beta-actin promoter
     intron          660..1676
                     /label=chimeric intron
                     /note="chimera between introns from chicken beta-actin and
                     rabbit beta-globin"
     primer_bind     1684..1703
                     /label=pCAG-F
                     /note="Rabbit beta-globin intron, for pCAG plasmids,
                     forward primer"
     CDS             1741..2691
                     /codon_start=1
                     /label=hSOX2
                     /note="Homo sapiens transcription factor SOX-2 gene.
                     Belongs to the SRY-related HMG-box (SOX) family of 
                     transcription factors, which is involved in the regulation 
                     of embryonic development and in the determination of cell 
                     fate"
                     /translation="MYNMMETELKPPGPQQTSGGGGGNSTAAAAGGNQKNSPDRVKRPM
                     NAFMVWSRGQRRKMAQENPKMHNSEISKRLGAEWKLLSETEKRPFIDEAKRLRALHMKE
                     HPDYKYRPRRKTKTLMKKDKYTLPGGLLAPGGNSMASGVGVGAGLGAGVNQRMDSYAHM
                     NGWSNGSYSMMQDQLGYPQHPGLNAHGAAQMQPMHRYDVSALQYNSMTSSQTYMNGSPT
                     YSMSYSQQGTPGMALGSMGSVVKSEASSSPPVVTSSSHSRAPCQAGDLRDMISMYLPGA
                     EVPEPAAPSRLHMSQHYQSGPVPGTAINGTLPLSHM"
     CDS             2716..2781
                     /codon_start=1
                     /product="2A peptide from foot-and-mouth disease virus
                     polyprotein"
                     /label=F2A
                     /note="Eukaryotic ribosomes fail to insert a peptide bond 
                     between the Gly and Pro residues, yielding separate 
                     polypeptides."
                     /translation="VKQTLNFDLLKLAGDVESNPGP"
     CDS             2806..4215
                     /codon_start=1
                     /label=hKLF4
                     /note="Homo sapiens Kruppel-like factor 4 (Klf4) gene.
                     Belongs to the relatively large family of SP1-like 
                     transcription factors and is involved in the regulation of 
                     proliferation, differentiation, apoptosis and somatic cell 
                     reprogramming."
                     /translation="MAVSDALLPSFSTFASGPAGREKTLRQAGAPNNRWREELSHMKRL
                     PPVLPGRPYDLAAATVATDLESGGAGAACGGSNLAPLPRRETEEFNDLLDLDFILSNSL
                     THPPESVAATVSSSASASSSSSPSSSGPASAPSTCSFTYPIRAGNDPGVAPGGTGGGLL
                     YGRESAPPPTAPFNLADINDVSPSGGFVAELLRPELDPVYIPPQQPQPPGGGLMGKFVL
                     KASLSAPGSEYGSPSVISVSKGSPDGSHPVVVAPYNGGPPRTCPKIKQEAVSSCTHLGA
                     GPPLSNGHRPAAHDFPLGRQLPSRTTPTLGLEEVLSSRDCHPALPLPPGFHPHPGPNYP
                     SFLPDQMQPQVPPLHYQELMPPGSCMPEEPKPKRGRRSWPRKRTATHTCDYAGCGKTYT
                     KSSHLKAHLRTHTGEKPYHCDWDGCGWKFARSDELTRHYRKHTGHRPFQCQKCDRAFSR
                     SDHLALHMKRHF"
     primer_bind     complement(4321..4340)
                     /label=Bglob-pA-R
                     /note="Rabbit beta-globin polyA region, reverse primer"
     polyA_signal    4386..4441
                     /label=beta-globin poly(A) signal
                     /note="rabbit beta-globin polyadenylation signal (Gil and 
                     Proudfoot, 1987)"
     primer_bind     complement(4440..4459)
                     /label=rbglobpA-R
                     /note="Rabbit beta-globin polyA, reverse primer. Also
                     called rb-glob-pA-term-R"
     primer_bind     complement(4802..4818)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(4802..4818)
                     /label=M13 Reverse
                     /note="In lacZ gene. Also called M13-rev"
     primer_bind     complement(4815..4837)
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     protein_bind    4826..4842
                     /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(4850..4880)
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    complement(4895..4916)
                     /label=CAP binding site
                     /note="CAP binding activates transcription in the presence
                     of cAMP."
     CDS             5395..7317
                     /codon_start=1
                     /label=EBNA1
                     /note="Epstein-Barr nuclear antigen 1, also known as
                     EBNA-1"
                     /translation="MSDEGPGTGPGNGLGEKGDTSGPEGSGGSGPQRRGGDNHGRGRGR
                     GRGRGGGRPGAPGGSGSGPRHRDGVRRPQKRPSCIGCKGTHGGTGAGAGAGGAGAGGAG
                     AGGGAGAGGGAGGAGGAGGAGAGGGAGAGGGAGGAGGAGAGGGXGXGGGAGGAGXGGGA
                     GGAGGAGAGGGAGAGGGAGGAGAGGGAGGAGGAGAGGGAGAGGAGGAGGAGAGGAGAGG
                     GAGGAGGAGAGGAGAGGAGAGGAGAGGAGGAGAGGAGGAGAGGAGGAGAGGGAGGAGAG
                     GGAGGAGAGGAGGAGAGGAGGAGAGGAGGAGAGGGAGAGGAGAGGGGRGRGGSGGRGRG
                     GSGGRGRGGSGGRRGRGRERARGGSRERARGRGRGRGEKRPRSPSSQSSSSGSPPRRPP
                     PGRRPFFHPVGEADYFEYHQEGGPDGEPDVPPGAIEQGPADDPGEGPSTGPRGQGDGGR
                     RKKGGWFGKHRGQGGSNPKFENIAEGLRALLARSHVERTTDEGTWVAGVFVYGGSKTSL
                     YNLRRGTALAIPQCRLTPLSRLPFGMAPGPGPQPGPLRESIVCYFMVFLQTHIFAEVLK
                     DAIKDLVMTKPAPTCNIRVTVCSFDDGVDLPPWFPPMVEGAAAEGDDGDDGDEGGDGDE
                     GEEGQE"
     rep_origin      7622..9411
                     /label=oriP
                     /note="Epstein-Barr virus oriP replication origin (Yates et
                     al., 2000)"
     primer_bind     complement(9952..9969)
                     /label=L4440
                     /note="L4440 vector, forward primer"
     rep_origin      complement(10123..10711)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     CDS             complement(10882..11742)
                     /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"
     primer_bind     11505..11524
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     promoter        complement(11743..11847)
                     /label=AmpR promoter