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。
It contains a Red intensiometric genetically encoded Ca2+-indicators for optical imaging 1.2
- 载体名称:
- CMV-R-GECO1.2
- 载体抗性:
- Ampicillin, 100 μg/mL
- 载体长度:
- 4455 bp
- 载体类型:
- Mammalian Expression Vectors
- 载体来源:
- Wu J, Liu
- 拷贝数:
- High copy number
- 启动子:
- high-copy-number ColE1/pMB1/pBR322/pUC origin of replication
- 感受态:
- DH10B
- 培养温度:
- 37℃
CMV-R-GECO1.2 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。
CMV-R-GECO1.2 载体序列
LOCUS Exported 4455 bp DNA circular SYN 19-SEP-2025
DEFINITION Red intensiometric genetically encoded Ca2+-indicators for optical
imaging 1.2.
ACCESSION .
VERSION .
KEYWORDS CMV-R-GECO1.2
SOURCE synthetic DNA construct
ORGANISM synthetic DNA construct
REFERENCE 1 (bases 1 to 4455)
AUTHORS Wu J, Liu L, Matsuda T, Zhao Y, Rebane A, Drobizhev M, Chang YF,
Araki S, Arai Y, March K, Hughes TE, Sagou K, Miyata T, Nagai T, Li
WH, Campbell RE
TITLE Improved Orange and Red Ca Indicators and Photophysical
Considerations for Optogenetic Applications.
JOURNAL ACS Chem Neurosci. 2013 Mar 19.
PUBMED 23452507
REFERENCE 2 (bases 1 to 4455)
AUTHORS .
TITLE Direct Submission
COMMENT SGRef: number: 1; type: "Journal Article"; journalName: "ACS Chem
Neurosci. 2013 Mar 19."
FEATURES Location/Qualifiers
source 1..4455
/mol_type="other DNA"
/organism="synthetic DNA construct"
enhancer 64..443
/label=CMV enhancer
/note="human cytomegalovirus immediate early enhancer"
promoter 444..647
/label=CMV promoter
/note="human cytomegalovirus (CMV) immediate early
promoter"
primer_bind 598..618
/label=CMV-F
/note="Human CMV immediate early promoter, forward primer"
primer_bind 692..711
/label=T7
/note="T7 promoter, forward primer"
promoter 692..710
/label=T7 promoter
/note="promoter for bacteriophage T7 RNA polymerase"
CDS 745..1998
/codon_start=1
/label=R-GECO1.2
/translation="MVDSSRRKWNKAGHAVRAIGRLSSPVVSERMYPEDGALKSEIKKG
LRLKDGGHYAAEVKTTYKAKKPVQLPGAYIVDIKLDIVSHNEDYTIVEQCERAEGRHST
GGMDELYKGGTGGSLVSKGEEDNRAIVKEFMRFKLHMEGSVNGHEFEIEGEGEGRPYEA
FQTAKLKVTKGGPLPFAWDILSPQLMYGSKAYIKHPADIPDYFKLSFPEGFRWERVMNF
EDGGIIHVSQDTSLQDGVFIYKVKLRGTNFPPDGPVMQKKTMGWEATRDQLTEEQIAEF
KEAFSLFDKDGDGTMTTKELGTVMRSLGQNPTEAELQDMINEVDADGDGTFDFPEFLTM
MARKMNDTDSEEEIREAFRVFDKDGNGYIGAAELRHVMTDLGEKITDEEVDEMIRVADI
DGDGQVNYEEFVQMMTAK"
CDS 760..816
/codon_start=1
/product="calmodulin-binding peptide from avian smooth
muscle myosin light chain kinase"
/label=calmodulin-binding peptide
/translation="RRKWNKAGHAVRAIGRLSS"
primer_bind 1512..1531
/label=mCherry-F
/note="mCherry, forward primer"
promoter complement(2059..2077)
/label=SP6 promoter
/note="promoter for bacteriophage SP6 RNA polymerase"
primer_bind complement(2060..2077)
/label=SP6
/note="SP6 promoter, forward primer"
primer_bind complement(2097..2114)
/label=BGH-rev
/note="Bovine growth hormone terminator, reverse primer.
Also called BGH reverse"
polyA_signal 2103..2327
/label=bGH poly(A) signal
/note="bovine growth hormone polyadenylation signal"
rep_origin complement(2529..3117)
/direction=LEFT
/label=ori
/note="high-copy-number ColE1/pMB1/pBR322/pUC origin of
replication"
primer_bind complement(2609..2628)
/label=pBR322ori-F
/note="pBR322 origin, forward primer"
CDS complement(3288..4148)
/codon_start=1
/gene="bla"
/product="beta-lactamase"
/label=AmpR
/note="confers resistance to ampicillin, carbenicillin, and
related antibiotics"
/translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYS
PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
EPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
LIKHW"
primer_bind 3911..3930
/label=Amp-R
/note="Ampicillin resistance gene, reverse primer"
promoter complement(4149..4253)
/gene="bla"
/label=AmpR promoter
primer_bind complement(4328..4347)
/label=pRS-marker
/note="pRS vectors, use to sequence yeast selectable
marker"