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:
- pDM276
- 载体抗性:
- Ampicillin
- 载体长度:
- 3518 bp
- 载体类型:
- Cloning vector
- 复制子:
- ori
- 载体来源:
- Veltman DM, Akar G, Bosgraaf L, Van Haastert PJ.
pDM276 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。
pDM276 载体序列
LOCUS 40924_14795 3518 bp DNA circular SYN 18-DEC-2018 DEFINITION Cloning vector pDM276, complete sequence. ACCESSION . VERSION . KEYWORDS . SOURCE synthetic DNA construct ORGANISM synthetic DNA construct REFERENCE 1 (bases 1 to 3518) AUTHORS Veltman DM, Akar G, Bosgraaf L, Van Haastert PJ. TITLE A new set of small, extrachromosomal expression vectors for Dictyostelium discoideum JOURNAL Plasmid 61 (2), 110-118 (2009) PUBMED 19063918 REFERENCE 2 (bases 1 to 3518) AUTHORS Veltman DM, Akar G, Bosgraaf L, van Haastert PJM. TITLE Direct Submission JOURNAL Submitted (19-JUL-2008) Cell Biochemistry, Rijks Universiteit Groningen, Kerklaan 30, Haren 9751 NN, The Netherlands REFERENCE 3 (bases 1 to 3518) TITLE Direct Submission REFERENCE 4 (bases 1 to 3518) AUTHORS . TITLE Direct Submission COMMENT SGRef: number: 1; type: "Journal Article"; journalName: "Plasmid"; date: "2009"; volume: "61"; issue: "2"; pages: "110-118" COMMENT SGRef: number: 2; type: "Journal Article"; journalName: "Submitted (19-JUL-2008) Cell Biochemistry, Rijks Universiteit Groningen, Kerklaan 30, Haren 9751 NN, The Netherlands" COMMENT SGRef: number: 3; type: "Journal Article" FEATURES Location/Qualifiers source 1..3518 /mol_type="other DNA" /organism="synthetic DNA construct" CDS 10..87 /codon_start=1 /label=CBP /note="calmodulin-binding peptide" /translation="KRRWKKNFIAVSAANRFKKISSSGAL" CDS 115..135 /codon_start=1 /label=TEV site /note="tobacco etch virus (TEV) protease recognition and cleavage site" /translation="ENLYFQG" CDS 175..348 /codon_start=1 /label=ProtA /note="IgG-binding unit of Staphylococcus aureus protein A" /translation="VDNKFNKEQQNAFYEILHLPNLNEEQRNAFIQSLKDDPSQSANLL AEAKKLNDAQAPK" CDS 352..522 /codon_start=1 /product="IgG-binding unit of Staphylococcus aureus protein A" /label=ProtA /translation="DNKFNKEQQNAFYEILHLPNLNEEQRNAFIQSLKDDPSQSANLLA EAKKLNGAQAPK" primer_bind complement(579..595) /label=SK primer /note="common sequencing primer, one of multiple similar variants" promoter complement(632..650) /label=T3 promoter /note="promoter for bacteriophage T3 RNA polymerase" primer_bind complement(671..687) /label=M13 rev /note="common sequencing primer, one of multiple similar variants" protein_bind complement(695..711) /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)." promoter complement(719..749) /label=lac promoter /note="promoter for the E. coli lac operon" protein_bind complement(764..785) /label=CAP binding site /note="CAP binding activates transcription in the presence of cAMP." rep_origin complement(1073..1661) /direction=LEFT /label=ori /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of replication" CDS complement(1835..2692) /codon_start=1 /label=AmpR /note="beta-lactamase" /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYS PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW EPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS LIKHW" promoter complement(2693..2797) /label=AmpR promoter rep_origin 2824..3279 /direction=RIGHT /label=f1 ori /note="f1 bacteriophage origin of replication; arrow indicates direction of (+) strand synthesis" primer_bind 3420..3436 /label=M13 fwd /note="common sequencing primer, one of multiple similar variants" promoter 3446..3464 /label=T7 promoter /note="promoter for bacteriophage T7 RNA polymerase" primer_bind 3490..3506 /label=KS primer /note="common sequencing primer, one of multiple similar variants"