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:
pTRV1
载体抗性:
Kanamycin
载体长度:
19369 bp
载体类型:
shRNA
拷贝数:
Low copy number
启动子:
35s
感受态:
EPI300
培养温度:
37℃

pTRV1 载体图谱

pTRV119369 bp900180027003600450054006300720081009000990010800117001260013500144001530016200171001800018900CaMV 35S promoterBlpRgene 7 terminatorCAP binding sitelac promoterlac operatorM13 revCaMV 35S promoterNOS terminatorM13 fwdLB T-DNA repeattrfAKanRIS1oriVtraJincP origin of transferTetRRB T-DNA repeat

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。

pTRV1 载体序列

LOCUS       Exported               19369 bp DNA     circular SYN 29-SEP-2025
DEFINITION  synthetic circular DNA
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 19369)
  AUTHORS   .
  TITLE     Direct Submission
FEATURES             Location/Qualifiers
     source          1..19369
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     promoter        375..720
                     /label=CaMV 35S promoter
                     /note="strong constitutive promoter from cauliflower mosaic
                     virus"
     CDS             758..1309
                     /codon_start=1
                     /gene="Streptomyces hygroscopicus bar"
                     /product="phosphinothricin acetyltransferase"
                     /label=BlpR
                     /note="confers resistance to bialophos or phosphinothricin"
                     /translation="MSPERRPADIRRATEADMPAVCTIVNHYIETSTVNFRTEPQEPQE
                     WTDDLVRLRERYPWLVAEVDGEVAGIAYAGPWKARNAYDWTAESTVYVSPRHQRTGLGS
                     TLYTHLLKSLEAQGFKSVVAVIGLPNDPSVRMHEALGYAPRGMLRAAGFKHGNWHDVGF
                     WQLDFSLPVPPRPVLPVTEI"
     terminator      1347..1547
                     /label=gene 7 terminator
                     /note="transcription terminator for octopine-type Ti 
                     plasmid gene 7"
     protein_bind    1843..1864
                     /label=CAP binding site
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding activates transcription in the presence 
                     of cAMP."
     promoter        1879..1909
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    1917..1933
                     /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)."
     primer_bind     1941..1957
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     promoter        2505..2850
                     /label=CaMV 35S promoter
                     /note="strong constitutive promoter from cauliflower mosaic
                     virus"
     terminator      9704..9956
                     /label=NOS terminator
                     /note="nopaline synthase terminator and poly(A) signal"
     primer_bind     complement(9965..9981)
                     /label=M13 fwd
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     misc_feature    10599..10623
                     /label=LB T-DNA repeat
                     /note="left border repeat from nopaline C58 T-DNA"
     CDS             complement(12219..13367)
                     /codon_start=1
                     /product="trans-acting replication protein that binds to 
                     and activates oriV"
                     /label=trfA
                     /translation="MNRTFDRKTYRQELIDAGFSAEDAETIASRTVMRAPRETFQSVGS
                     MVQQATAKIERDSVQLAPPALPAPSAAVERSRRLEQEAAGLAKSMTIDTRGTMTTKKRK
                     TAGEDLAKQVSEAKQAALLKHTKQQIKEMQLSLFDIAPWPDTMRAMPNDTARSALFTTR
                     NKKIPREALQNKVIFHVNKDVKITYTGVELRADDDELVWQQVLEYAKRTPIGEPITFTF
                     YELCQDLGWSINGRYYTKAEECLSRLQATAMGFTSDRVGHLESVSLLHRFRVLDRGKKT
                     SRCQVLIDEEIVVLFAGDHYTKFIWEKYRKLSPTARRMFDYFSSHREPYPLKLETFRLM
                     CGSDSTRVKKWREQVGEACEELRGSGLVEHAWVNDDLVHCKR"
     CDS             complement(13666..14460)
                     /codon_start=1
                     /gene="aphA-3"
                     /product="aminoglycoside phosphotransferase"
                     /label=KanR
                     /note="confers resistance to kanamycin"
                     /translation="MAKMRISPELKKLIEKYRCVKDTEGMSPAKVYKLVGENENLYLKM
                     TDSRYKGTTYDVEREKDMMLWLEGKLPVPKVLHFERHDGWSNLLMSEADGVLCSEEYED
                     EQSPEKIIELYAECIRLFHSIDISDCPYTNSLDSRLAELDYLLNNDLADVDCENWEEDT
                     PFKDPRELYDFLKTEKPEEELVFSHGDLGDSNIFVKDGKVSGFIDLGRSGRADKWYDIA
                     FCVRSIREDIGEEQYVELFFDLLGIKPDWEKIKYYILLDELF"
     mobile_element  14652..15419
                     /mobile_element_type="insertion sequence:IS1"
                     /label=IS1
                     /note="prokaryotic transposable element"
     rep_origin      16042..16753
                     /label=oriV
                     /note="incP origin of replication"
     CDS             complement(16880..17251)
                     /codon_start=1
                     /gene="traJ"
                     /product="oriT-recognizing protein"
                     /label=traJ
                     /translation="MADETKPTRKGSPPIKVYCLPDERRAIEEKAAAAGMSLSAYLLAV
                     GQGYKITGVVDYEHVRELARINGDLGRLGGLLKLWLTDDPRTARFGDATILALLAKIEE
                     KQDELGKVMMGVVRPRAEP"
     oriT            17284..17393
                     /note="incP origin of transfer"
     CDS             complement(18074..18724)
                     /codon_start=1
                     /gene="tetR"
                     /product="tetracycline resistance regulatory protein"
                     /label=TetR
                     /translation="MTKLQPNTVIRAALDLLNEVGVDGLTTRKLAERLGVQQPALYWHF
                     RNKRALLDALAEAMLAENHTHSVPRADDDWRSFLIGNARSFRQALLAYRDGARIHAGTR
                     PGAPQMETADAQLRFLCEAGFSAGDAVNALMTISYFTVGAVLEEQAGDSDAGERGGTVE
                     QAPLSPLLRAAIDAFDEAGPDAAFEQGLAVIVDGLAKRRLVVRNVEGPRKGDD"
     misc_feature    19189..19213
                     /label=RB T-DNA repeat
                     /note="right border repeat from nopaline C58 T-DNA"