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
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"