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:
- DH6-2
- 载体抗性:
- Chloramphenicol
- 载体长度:
- 4282 bp
- 载体类型:
- Cloning vector
- 复制子:
- ori
- 载体来源:
- Huang DC, Holtz WJ, Maharbiz MM.
DH6-2 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。
DH6-2 载体序列
LOCUS 40924_610 4282 bp DNA circular SYN 17-DEC-2018 DEFINITION Cloning vector DH6-2, complete sequence. ACCESSION . VERSION . KEYWORDS . SOURCE synthetic DNA construct ORGANISM synthetic DNA construct REFERENCE 1 (bases 1 to 4282) AUTHORS Huang DC, Holtz WJ, Maharbiz MM. TITLE A genetic bistable switch utilizing nonlinear protein degradation JOURNAL J Biol Eng 6 (1), 9 (2012) PUBMED 22776405 REFERENCE 2 (bases 1 to 4282) AUTHORS Huang DC, Holtz WJ, Maharbiz MM. TITLE Direct Submission JOURNAL Submitted (10-JUN-2012) Electrical Engineering and Computer Sciences, University of California, Berkeley, 656 Sutardja Dai Hall, Berkeley, CA 94720, USA REFERENCE 3 (bases 1 to 4282) TITLE Direct Submission REFERENCE 4 (bases 1 to 4282) AUTHORS . TITLE Direct Submission COMMENT SGRef: number: 1; type: "Journal Article"; journalName: "J Biol Eng"; date: "2012"; volume: "6"; issue: "1"; pages: "9" COMMENT SGRef: number: 2; type: "Journal Article"; journalName: "Submitted (10-JUN-2012) Electrical Engineering and Computer Sciences, University of California, Berkeley, 656 Sutardja Dai Hall, Berkeley, CA 94720, USA" COMMENT SGRef: number: 3; type: "Journal Article" COMMENT ##Assembly-Data-START## Assembly Method :: GENtle v. 1.9.4 Sequencing Technology :: Sanger dideoxy sequencing ##Assembly-Data-END## FEATURES Location/Qualifiers source 1..4282 /mol_type="other DNA" /organism="synthetic DNA construct" protein_bind complement(15..36) /label=CAP binding site /note="CAP binding activates transcription in the presence of cAMP." CDS complement(52..1131) /label=lacI /note="lac repressor" promoter complement(1132..1209) /label=lacI promoter protein_bind 1502..1518 /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)." protein_bind 1525..1541 /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)." 5'UTR 1569..1603 CDS 1604..2314 /label=lambda repressor /note="phage lambda repressor" misc_feature 2315..2395 /gene="CI" /label=mf lon degrdation tag /note="mf lon degrdation tag" terminator 2434..2505 /label=rrnB T1 terminator /note="transcription terminator T1 from the E. coli rrnB gene" terminator 2521..2548 /label=T7Te terminator /note="phage T7 early transcription terminator" rep_origin complement(2706..3294) /direction=LEFT /label=ori /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of replication" terminator complement(3382..3476) /label=lambda t0 terminator /note="transcription terminator from phage lambda" CDS complement(3500..4156) /label=CmR /note="chloramphenicol acetyltransferase" promoter complement(4157..4259) /label=cat promoter /note="promoter of the E. coli cat gene encoding chloramphenicol acetyltransferase"