pETIA 质粒 (编号: V006457)

Note:

pETIA4012 bp60012001800240030003600T7 promoterRBS6xHisT7 tag (gene 10 leader)multiple cloning siteT7 terminatorAmpR promoterAmpRoribomlacIq promoterlacI

基本信息

载体名称:
pETIA
载体抗性:
Ampicillin
载体长度:
4012 bp
载体类型:
Expression vector
复制子:
ori
载体来源:
Tanaka S, Onda M.

下载资源

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。

确保质粒的关键元件正确,但是我们并不能保证实验效果。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。

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。

pETIA 质粒 (编号: V006457)序列

LOCUS       40924_18561        4012 bp DNA     circular SYN 18-DEC-2018
DEFINITION  Expression vector pETIA, complete sequence.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 4012)
  AUTHORS   Tanaka S, Onda M.
  TITLE     Bacterial expression with pETIA
  JOURNAL   Unpublished
REFERENCE   2  (bases 1 to 4012)
  AUTHORS   Tanaka S, Onda M.
  TITLE     Direct Submission
  JOURNAL   Submitted (29-JUL-2009) BioDynamics Laboratory Inc., 9-7 Hongo 
            2-Chome, Bunkyo-Ku, Tokyo 113-0033, Japan
REFERENCE   3  (bases 1 to 4012)
  TITLE     Direct Submission
REFERENCE   4  (bases 1 to 4012)
  AUTHORS   .
  TITLE     Direct Submission
COMMENT     SGRef: number: 1; type: "Journal Article"; journalName: 
            "Unpublished"
COMMENT     SGRef: number: 2; type: "Journal Article"; journalName: "Submitted 
            (29-JUL-2009) BioDynamics Laboratory Inc., 9-7 Hongo 2-Chome, 
            Bunkyo-Ku, Tokyo 113-0033, Japan"
COMMENT     SGRef: number: 3; type: "Journal Article"
FEATURES             Location/Qualifiers
     source          1..4012
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     promoter        213..231
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     RBS             263..285
                     /label=RBS
                     /note="efficient ribosome binding site from bacteriophage
                     T7 gene 10 (Olins and Rangwala, 1989)"
     CDS             305..322
                     /codon_start=1
                     /label=6xHis
                     /note="6xHis affinity tag"
                     /translation="HHHHHH"
     CDS             326..358
                     /codon_start=1
                     /label=T7 tag (gene 10 leader)
                     /note="leader peptide from bacteriophage T7 gene 10"
                     /translation="MASMTGGQQMG"
     CDS             362..376
                     /codon_start=1
                     /label=enterokinase site
                     /note="enterokinase recognition and cleavage site"
                     /translation="DDDDK"
     misc_feature    376..422
                     /label=multiple cloning site
                     /note="multiple cloning site"
     terminator      498..545
                     /label=T7 terminator
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
     promoter        588..679
                     /label=AmpR promoter
     CDS             680..1537
                     /codon_start=1
                     /label=AmpR
                     /note="beta-lactamase"
                     /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
                     ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRVDAGQEQLGRRIHYSQNDLVEYS
                     PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
                     EPELNEAIPNDERDTTMPTAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
                     LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
                     LIKHW"
     rep_origin      1711..2299
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     misc_feature    complement(2485..2627)
                     /label=bom
                     /note="basis of mobility region from pBR322"
     promoter        2813..2890
                     /label=lacIq promoter
                     /note="In the lacIq allele, a single base change in the
                     promoter boosts expression of the lacI gene about 10-fold."
     CDS             2891..3970
                     /codon_start=1
                     /label=lacI
                     /note="lac repressor"
                     /translation="VKPVTLYDVAEYAGVSYQTVSRVVNQASHVSAKTREKVEAAMAEL
                     NYIPNRVAQQLAGKQSLLIGVATSSLALHAPSQIVAAIKSRADQLGASVVVSMVERSGV
                     EACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAACTNVPALFLDVSDQTPINSIIFSH
                     EDGTRLGVEHLVALGHQQIALLAGPLSSVSARLRLAGWHKYLTRNQIQPIAEREGDWSA
                     MSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITESGLRVGADISVVGYDDTEDSSC
                     YIPPSTTIKQDFRLLGQTSVDRLLQLSQGQAVKGNQLLPVSLVKRKTTLAPNTQTASPR
                     ALADSLMQLARQVSRLESGQ"