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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
负20度
- 保质期:
2年
- 供应商:
钦诚生物
- 规格:
2UG/5UG
| 规格: | 2UG | 产品价格: | ¥800.0 |
|---|---|---|---|
| 规格: | 5UG | 产品价格: | ¥1500.0 |
质粒图谱
质粒序列
LOCUS Exported 5896 bp ds-DNA circular SYN 28-SEP-2017
DEFINITION synthetic circular DNA
ACCESSION .
VERSION .
KEYWORDS .
SOURCE synthetic DNA construct
ORGANISM synthetic DNA construct
REFERENCE 1 (bases 1 to 5896)
AUTHORS .
TITLE Direct Submission
JOURNAL Exported Sep 28, 2017 from Plasmid
FEATURES Location/Qualifiers
source 1..5896
/organism="synthetic DNA construct"
/mol_type="other DNA"
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 922..987
/codon_start=1
/product="three tandem FLAG epitope tags, followed by an
enterokinase cleavage site"
/label=3xFLAG
/translation="DYKDHDGDYKDHDIDYKDDDDK"
CDS 1009..1452
/codon_start=1
/label=VEGFA
/translation="MNFLLSWVHWSLALLLYLHHAKWSQAAPMAEGGGQNHHEVVKFMD
VYQRSYCHPIETLVDIFQEYPDEIEYIFKPSCVPLMRCGGCCNDEGLECVPTEESNITM
QIMRIKPHQGQHIGEMSFLQHNKCECRPKKDRARQEKCDKPRR"
polyA_signal 1496..1720
/label=bGH poly(A) signal
/note="bovine growth hormone polyadenylation signal"
rep_origin 1766..2194
/direction=RIGHT
/label=f1 ori
/note="f1 bacteriophage origin of replication; arrow
indicates direction of (+) strand synthesis"
promoter 2208..2537
/label=SV40 promoter
/note="SV40 enhancer and early promoter"
rep_origin 2388..2523
/label=SV40 ori
/note="SV40 origin of replication"
CDS 2604..3398
/codon_start=1
/gene="aph(3')-II (or nptII)"
/product="aminoglycoside phosphotransferase from Tn5"
/label=Neo
/note="confers resistance to neomycin, kanamycin, and G418
(Geneticin)"
/translation="MIEQDGLHAGSPAAWVERLFGYDWAQQTIGCSDAAVFRLSAQGRP
VLFVKTDLSGALNELQDEAARLSWLATTGVPCAAVLDVVTEAGRDWLLLGEVPGQDLLS
SHLAPAEKVSIMADAMRRLHTLDPATCPFDHQAKHRIERARTRMEAGLVDQDDLDEEHQ
GLAPAELFARLKARMPDGEDLVVTHGDACLPNIMVENGRFSGFIDCGRLGVADRYQDIA
LATRDIAEELGGEWADRFLVLYGIAAPDSQRIAFYRLLDEFF"
polyA_signal 3572..3693
/label=SV40 poly(A) signal
/note="SV40 polyadenylation signal"
rep_origin complement(4144..4729)
/direction=LEFT
/label=ori
/note="high-copy-number colE1/pMB1/pBR322/pUC origin of
replication"
CDS complement(4900..5760)
/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"
promoter complement(5761..5865)
/gene="bla"
/label=AmpR promoter
ORIGIN
1 gacggatcgg gagatctccc gatcccctat ggtgcactct cagtacaatc tgctctgatg
61 ccgcatagtt aagccagtat ctgctccctg cttgtgtgtt ggaggtcgct gagtagtgcg
121 cgagcaaaat ttaagctaca acaaggcaag gcttgaccga caattgcatg aagaatctgc
181 ttagggttag gcgttttgcg ctgcttcgcg atgtacgggc cagatatacg cgttgacatt
241 gattattgac tagttattaa tagtaatcaa ttacggggtc attagttcat agcccatata
301 tggagttccg cgttacataa cttacggtaa atggcccgcc tggctgaccg cccaacgacc
361 cccgcccatt gacgtcaata atgacgtatg ttcccatagt aacgccaata gggactttcc
421 attgacgtca atgggtggag tatttacggt aaactgccca cttggcagta catcaagtgt
481 atcatatgcc aagtacgccc cctattgacg tcaatgacgg taaatggccc gcctggcatt
541 atgcccagta catgacctta tgggactttc ctacttggca gtacatctac gtattagtca
601 tcgctattac catggtgatg cggttttggc agtacatcaa tgggcgtgga tagcggtttg
661 actcacgggg atttccaagt ctccacccca ttgacgtcaa tgggagtttg ttttggcacc
721 aaaatcaacg ggactttcca aaatgtcgta acaactccgc cccattgacg caaatgggcg
781 gtaggcgtgt acggtgggag gtctatataa gcagagctct ctggctaact agagaaccca
841 ctgcttactg gcttatcgaa attaatacga ctcactatag ggagacccaa gctggctagc
901 gtttaaactt aagccaccat ggactacaaa gaccatgacg gtgattataa agatcatgac
961 atcgactaca aggatgacga tgacaagctt ggtaccgagc tcggatccat gaactttctg
1021 ctgtcttggg tgcattggag ccttgccttg ctgctctacc tccaccatgc caagtggtcc
1081 caggctgcac ccatggcaga aggaggaggg cagaatcatc acgaagtggt gaagttcatg
1141 gatgtctatc agcgcagcta ctgccatcca atcgagaccc tggtggacat cttccaggag
1201 taccctgatg agatcgagta catcttcaag ccatcctgtg tgcccctgat gcgatgcggg
1261 ggctgctgca atgacgaggg cctggagtgt gtgcccactg aggagtccaa catcaccatg
1321 cagattatgc ggatcaaacc tcaccaaggc cagcacatag gagagatgag cttcctacag
1381 cacaacaaat gtgaatgcag accaaagaaa gatagagcaa gacaagaaaa atgtgacaag
1441 ccgaggcggt gactcgagtc tagagggccc gtttaaaccc gctgatcagc ctcgactgtg
1501 ccttctagtt gccagccatc tgttgtttgc ccctcccccg tgccttcctt gaccctggaa
1561 ggtgccactc ccactgtcct ttcctaataa aatgaggaaa ttgcatcgca ttgtctgagt
1621 aggtgtcatt ctattctggg gggtggggtg gggcaggaca gcaaggggga ggattgggaa
1681 gacaatagca ggcatgctgg ggatgcggtg ggctctatgg cttctgaggc ggaaagaacc
1741 agctggggct ctagggggta tccccacgcg ccctgtagcg gcgcattaag cgcggcgggt
1801 gtggtggtta cgcgcagcgt gaccgctaca cttgccagcg ccctagcgcc cgctcctttc
1861 gctttcttcc cttcctttct cgccacgttc gccggctttc cccgtcaagc tctaaatcgg
1921 gggctccctt tagggttccg atttagtgct ttacggcacc tcgaccccaa aaaacttgat
1981 tagggtgatg gttcacgtag tgggccatcg ccctgataga cggtttttcg ccctttgacg
2041 ttggagtcca cgttctttaa tagtggactc ttgttccaaa ctggaacaac actcaaccct
2101 atctcggtct attcttttga tttataaggg attttgccga tttcggccta ttggttaaaa
2161 aatgagctga tttaacaaaa atttaacgcg aattaattct gtggaatgtg tgtcagttag
2221 ggtgtggaaa gtccccaggc tccccagcag gcagaagtat gcaaagcatg catctcaatt
2281 agtcagcaac caggtgtgga aagtccccag gctccccagc aggcagaagt atgcaaagca
2341 tgcatctcaa ttagtcagca accatagtcc cgcccctaac tccgcccatc ccgcccctaa
2401 ctccgcccag ttccgcccat tctccgcccc atggctgact aatttttttt atttatgcag
2461 aggccgaggc cgcctctgcc tctgagctat tccagaagta gtgaggaggc ttttttggag
2521 gcctaggctt ttgcaaaaag ctcccgggag cttgtatatc cattttcgga tctgatcaag
2581 agacaggatg aggatcgttt cgcatgattg aacaagatgg attgcacgca ggttctccgg
2641 ccgcttgggt ggagaggcta ttcggctatg actgggcaca acagacaatc ggctgctctg
2701 atgccgccgt gttccggctg tcagcgcagg ggcgcccggt tctttttgtc aagaccgacc
2761 tgtccggtgc cctgaatgaa ctgcaggacg aggcagcgcg gctatcgtgg ctggccacga
2821 cgggcgttcc ttgcgcagct gtgctcgacg ttgtcactga agcgggaagg gactggctgc
2881 tattgggcga agtgccgggg caggatctcc tgtcatctca ccttgctcct gccgagaaag
2941 tatccatcat ggctgatgca atgcggcggc tgcatacgct tgatccggct acctgcccat
3001 tcgaccacca agcgaaacat cgcatcgagc gagcacgtac tcggatggaa gccggtcttg
3061 tcgatcagga tgatctggac gaagagcatc aggggctcgc gccagccgaa ctgttcgcca
3121 ggctcaaggc gcgcatgccc gacggcgagg atctcgtcgt gacccatggc gatgcctgct
3181 tgccgaatat catggtggaa aatggccgct tttctggatt catcgactgt ggccggctgg
3241 gtgtggcgga ccgctatcag gacatagcgt tggctacccg tgatattgct gaagagcttg
3301 gcggcgaatg ggctgaccgc ttcctcgtgc tttacggtat cgccgctccc gattcgcagc
3361 gcatcgcctt ctatcgcctt cttgacgagt tcttctgagc gggactctgg ggttcgaaat
3421 gaccgaccaa gcgacgccca acctgccatc acgagatttc gattccaccg ccgccttcta
3481 tgaaaggttg ggcttcggaa tcgttttccg ggacgccggc tggatgatcc tccagcgcgg
3541 ggatctcatg ctggagttct tcgcccaccc caacttgttt attgcagctt ataatggtta
3601 caaataaagc aatagcatca caaatttcac aaataaagca tttttttcac tgcattctag
3661 ttgtggtttg tccaaactca tcaatgtatc ttatcatgtc tgtataccgt cgacctctag
3721 ctagagcttg gcgtaatcat ggtcatagct gtttcctgtg tgaaattgtt atccgctcac
3781 aattccacac aacatacgag ccggaagcat aaagtgtaaa gcctggggtg cctaatgagt
3841 gagctaactc acattaattg cgttgcgctc actgcccgct ttccagtcgg gaaacctgtc
3901 gtgccagctg cattaatgaa tcggccaacg cgcggggaga ggcggtttgc gtattgggcg
3961 ctcttccgct tcctcgctca ctgactcgct gcgctcggtc gttcggctgc ggcgagcggt
4021 atcagctcac tcaaaggcgg taatacggtt atccacagaa tcaggggata acgcaggaaa
4081 gaacatgtga gcaaaaggcc agcaaaaggc caggaaccgt aaaaaggccg cgttgctggc
4141 gtttttccat aggctccgcc cccctgacga gcatcacaaa aatcgacgct caagtcagag
4201 gtggcgaaac ccgacaggac tataaagata ccaggcgttt ccccctggaa gctccctcgt
4261 gcgctctcct gttccgaccc tgccgcttac cggatacctg tccgcctttc tcccttcggg
4321 aagcgtggcg ctttctcata gctcacgctg taggtatctc agttcggtgt aggtcgttcg
4381 ctccaagctg ggctgtgtgc acgaaccccc cgttcagccc gaccgctgcg ccttatccgg
4441 taactatcgt cttgagtcca acccggtaag acacgactta tcgccactgg cagcagccac
4501 tggtaacagg attagcagag cgaggtatgt aggcggtgct acagagttct tgaagtggtg
4561 gcctaactac ggctacacta gaagaacagt atttggtatc tgcgctctgc tgaagccagt
4621 taccttcgga aaaagagttg gtagctcttg atccggcaaa caaaccaccg ctggtagcgg
4681 tttttttgtt tgcaagcagc agattacgcg cagaaaaaaa ggatctcaag aagatccttt
4741 gatcttttct acggggtctg acgctcagtg gaacgaaaac tcacgttaag ggattttggt
4801 catgagatta tcaaaaagga tcttcaccta gatcctttta aattaaaaat gaagttttaa
4861 atcaatctaa agtatatatg agtaaacttg gtctgacagt taccaatgct taatcagtga
4921 ggcacctatc tcagcgatct gtctatttcg ttcatccata gttgcctgac tccccgtcgt
4981 gtagataact acgatacggg agggcttacc atctggcccc agtgctgcaa tgataccgcg
5041 agacccacgc tcaccggctc cagatttatc agcaataaac cagccagccg gaagggccga
5101 gcgcagaagt ggtcctgcaa ctttatccgc ctccatccag tctattaatt gttgccggga
5161 agctagagta agtagttcgc cagttaatag tttgcgcaac gttgttgcca ttgctacagg
5221 catcgtggtg tcacgctcgt cgtttggtat ggcttcattc agctccggtt cccaacgatc
5281 aaggcgagtt acatgatccc ccatgttgtg caaaaaagcg gttagctcct tcggtcctcc
5341 gatcgttgtc agaagtaagt tggccgcagt gttatcactc atggttatgg cagcactgca
5401 taattctctt actgtcatgc catccgtaag atgcttttct gtgactggtg agtactcaac
5461 caagtcattc tgagaatagt gtatgcggcg accgagttgc tcttgcccgg cgtcaatacg
5521 ggataatacc gcgccacata gcagaacttt aaaagtgctc atcattggaa aacgttcttc
5581 ggggcgaaaa ctctcaagga tcttaccgct gttgagatcc agttcgatgt aacccactcg
5641 tgcacccaac tgatcttcag catcttttac tttcaccagc gtttctgggt gagcaaaaac
5701 aggaaggcaa aatgccgcaa aaaagggaat aagggcgaca cggaaatgtt gaatactcat
5761 actcttcctt tttcaatatt attgaagcat ttatcagggt tattgtctca tgagcggata
5821 catatttgaa tgtatttaga aaaataaaca aataggggtt ccgcgcacat ttccccgaaa
5881 agtgccacct gacgtc
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文献和实验入 DMSO 或 2-巯基乙醇,混合后加入 L 连接反应液 (含重组质粒),温和混匀,置冰上 30 min;2. 42 ℃ 水浴 45 秒,然后迅速放回冰中 1~2 min;3. 加入 2 mL LB 培养液,37 ℃ 轻摇荡培养 1 h;4. 4,000×g 离心 10 秒钟,弃上清,用 LB 培养液重悬菌体;5. 将菌液铺于含有适当抗生素的 LB 琼脂培养板上,涂匀,室温放置 20~30 min,倒置于 37 ℃ 孵箱中培养 12~16 h。(三)转化细胞的筛选【实验原理】1、 蓝白筛选:以 TA
毒载体。 2.慢病毒包装与纯化 慢病毒包装采用三质粒或四质粒系统进行包装,收集细胞培养上清,通过超速离心浓缩纯化和收集病毒。 3.慢病毒滴度检测 检测方法:定量PCR检测干扰后细胞基因组中外源DNA拷贝数 实验原理:慢病毒介导外源基因以逆转录方式整合进目的细胞基因组 4.慢病毒载体优势 ① 表达时间长:慢病毒可将外源基因整合到宿主细胞基因组上,实现基因长时间稳定的表达,不随细胞分裂传代而丢失,是细胞实验的首选,常用于构建稳转株 ② 安全性高:未发现致病性,慢病毒载体改造T细胞用于CAR-T
良好的的基因治疗效果,在美国已经开展了临床研究,效果非常理想,因此具有广阔的应用前景。 慢病毒转染优点:1.外源基因表达水平较高、表达稳定;2.转染效率高,可感染分裂和不分裂的细胞,几乎可以感染所有类型的细胞,特别适合质粒载体转染效率低的细胞;3.慢病毒基因容易操作,易于制备大量病毒且滴度高;4.病毒基因组可整合到细胞基因组,易于构建稳定细胞株。 慢病毒包装技术:慢病毒表达载体包含了包装、转染、稳定整合所需要的遗传信息。将外源基因克隆进入表达载体,同时与包装质粒(表达病毒包装所需辅助蛋白)一起转染
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