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:
- pcDNA3.1-EGFP-C
- 载体抗性:
- Ampicillin
- 载体长度:
- 6157 bp
- 载体类型:
- Mammalian Expression Vectors
- 复制子:
- ori
- 筛选标记:
- Neomycin / G418
- 拷贝数:
- High copy number
- 启动子:
- SV40
- 克隆方法:
- Enzyme digestion and ligation
- 5'引物:
- CMV-f:5’-CGCAAATGGGCGGTAGGCGTG-3’
- 3'引物:
- BGH-R:5’-TAGAAGGCACAGTCGAGG-3’
pcDNA3.1-EGFP-C 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。
pcDNA3.1-EGFP-C 载体序列
LOCUS Exported 6157 bp DNA circular SYN 02-SEP-2024 DEFINITION synthetic circular DNA. ACCESSION . VERSION . KEYWORDS . SOURCE synthetic DNA construct ORGANISM synthetic DNA construct REFERENCE 1 (bases 1 to 6157) TITLE Direct Submission REFERENCE 2 (bases 1 to 6157) TITLE Direct Submission REFERENCE 3 (bases 1 to 6157) AUTHORS . TITLE Direct Submission COMMENT SGRef: number: 1; type: "Journal Article" COMMENT SGRef: number: 2; type: "Journal Article" FEATURES Location/Qualifiers source 1..6157 /mol_type="other DNA" /organism="synthetic DNA construct" enhancer 235..614 /label=CMV enhancer /note="human cytomegalovirus immediate early enhancer" promoter 615..818 /label=CMV promoter /note="human cytomegalovirus (CMV) immediate early promoter" promoter 863..881 /label=T7 promoter /note="promoter for bacteriophage T7 RNA polymerase" CDS 997..1713 /codon_start=1 /label=EGFP /note="enhanced GFP" /translation="MVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTL KFICTTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKQHDFFKSAMPEGYVQERTIFFKDD GNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNGIK VNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLL EFVTAAGITLGMDELYK" polyA_signal 1754..1978 /label=bGH poly(A) signal /note="bovine growth hormone polyadenylation signal" rep_origin 2024..2452 /label=f1 ori /note="f1 bacteriophage origin of replication; arrow indicates direction of (+) strand synthesis" promoter 2466..2795 /label=SV40 promoter /note="SV40 enhancer and early promoter" CDS 2862..3653 /codon_start=1 /label=NeoR/KanR /note="aminoglycoside phosphotransferase" /translation="MIEQDGLHAGSPAAWVERLFGYDWAQQTIGCSDAAVFRLSAQGRP VLFVKTDLSGALNELQDEAARLSWLATTGVPCAAVLDVVTEAGRDWLLLGEVPGQDLLS SHLAPAEKVSIMADAMRRLHTLDPATCPFDHQAKHRIERARTRMEAGLVDQDDLDEEHQ GLAPAELFARLKARMPDGEDLVVTHGDACLPNIMVENGRFSGFIDCGRLGVADRYQDIA LATRDIAEELGGEWADRFLVLYGIAAPDSQRIAFYRLLDEFF" polyA_signal 3830..3963 /label=SV40 poly(A) signal /note="SV40 polyadenylation signal" primer_bind complement(4000..4016) /label=M13 rev /note="common sequencing primer, one of multiple similar variants" protein_bind complement(4024..4040) /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(4048..4078) /label=lac promoter /note="promoter for the E. coli lac operon" protein_bind complement(4093..4114) /label=CAP binding site /note="CAP binding activates transcription in the presence of cAMP." rep_origin complement(4402..4990) /direction=LEFT /label=ori /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of replication" CDS complement(5164..6021) /codon_start=1 /label=AmpR /note="beta-lactamase" /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYS PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW EPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS LIKHW" promoter complement(6022..6126) /label=AmpR promoter