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。

A construct with the AIDA surface expression system for display of a passenger protein flanked by His and Myc tags

载体名称:
pAIDA1
载体抗性:
Chloramphenicol
载体长度:
5561 bp
载体类型:
E.coli expression plasmid
复制子:
p15A ori
载体来源:
Gen Larsson
拷贝数:
Low copy number
启动子:
lacUV5
克隆方法:
Enzyme Cut
5'引物:
GAGCGGATAACAATTTCACACAGG
感受态:
DH5alpha
培养温度:
37℃

pAIDA1 载体图谱

pAIDA15561 bp60012001800240030003600420048005400lac UV5 promoterlac operatorSP6xHisHRV3CTEV siteMycADIAp15A oriL4440pENTR-RCmRlacI promoterlacI

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。

pAIDA1 载体序列

LOCUS       pAIDA1.        5561 bp DNA     circular SYN 11-MAY-2023
DEFINITION  A construct with the AIDA surface expression system for display of a
            passenger protein flanked by His and Myc tags.
ACCESSION   .
VERSION     .
KEYWORDS    pAIDA1
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 5561)
  AUTHORS   Jarmander J, Gustavsson M, Do TH, Samuelson P, Larsson G
  TITLE     A dual tag system for facilitated detection of surface expressed 
            proteins in Escherichia coli.
  JOURNAL   Microb Cell Fact. 2012 Sep 3;11:118. doi: 10.1186/1475-2859-11-118.
  PUBMED    22943700
REFERENCE   2  (bases 1 to 5561)
  AUTHORS   .
  TITLE     Direct Submission
COMMENT     SGRef: number: 1; type: "Journal Article"; journalName: "Microb Cell
            Fact."; date: "2012-09-3"; volume: "11:118. doi"; pages: " 
            10.1186/1475-2859-11-118"
FEATURES             Location/Qualifiers
     source          1..5561
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     promoter        1..31
                     /label=lac UV5 promoter
                     /note="E. coli lac promoter with an 'up' mutation"
     protein_bind    39..55
                     /label=lac operator
                     /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)."
     CDS             77..229
                     /codon_start=1
                     /label=SP
                     /note="SP"
                     /translation="MNKAYSIIWSHSRQAWIVASELARGHGFVLAKNTLLVLAVVSTIG
                     NAFAVD"
     CDS             230..247
                     /label=6xHis
                     /note="6xHis affinity tag"
     CDS             248..271
                     /codon_start=1
                     /label=HRV3C
                     /note="HRV3C"
                     /translation="LEALFQGP"
     CDS             299..319
                     /label=TEV site
                     /note="tobacco etch virus (TEV) protease recognition and 
                     cleavage site"
     CDS             320..349
                     /label=Myc
                     /note="Myc (human c-Myc proto-oncogene) epitope tag"
     CDS             356..1849
                     /codon_start=1
                     /label=ADIA
                     /note="ADIA"
                     /translation="VNNNGSIVINNSIINGNITNDADLSFGTAKLLSATVNGSLVNNKN
                     IILNPTKESAAAIGNTLTVSNYTGTPGSVISLGGVLEGDNSLTDRLVVKGNTSGQSDIV
                     YVNEDGSGGQTRDGINIISVEGNSDAEFSLKNRVVAGAYDYTLQKGNESGTDNKGWYLT
                     SHLPTSDTRQYRPENGSYATNMALANSLFLMDLNERKQFRAMSDNTQPESASVWMKITG
                     GISSGKLNDGQNKTTTNQFINQLGGDIYKFHAEQLGDFTLGIMGGYANAKGKTINYTSN
                     KAARNTLDGYSVGVYGTWYQNGENATGLFAETWMQYNWFNASVKGDGLEEEKYNLNGLT
                     ASAGGGYNLNVHTWTSPEGITGEFWLQPHLQAVWMGVTPDTHQEDNGTVVQGAGKNNIQ
                     TKAGIRASWKVKSTLDKDTGRRFRPYIEANWIHNTHEFGVKMSDDSQLLSGSRNQGEIK
                     TGIEGVITQNLSVNGGVAYQAGGHGSNAISGALGIKYSF"
     rep_origin      2344..2889
                     /label=p15A ori
                     /note="Plasmids containing the medium-copy-number p15A
                     origin of replication can be propagated in E. coli cells 
                     that contain a second plasmid with the ColE1 origin."
     primer_bind     3006..3023
                     /label=L4440
                     /note="L4440 vector, forward primer"
     primer_bind     complement(3473..3492)
                     /label=pENTR-R
                     /note="pENTR vectors, reverse primer"
     CDS             3659..4315
                     /label=CmR
                     /note="chloramphenicol acetyltransferase"
     promoter        4331..4408
                     /label=lacI promoter
     CDS             4409..5488
                     /label=lacI
                     /note="lac repressor"