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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
-20℃
- 保质期:
6个月
- 英文名:
pET-30c(+)
- 库存:
大量
- 供应商:
钰博生物
- 规格:
1ug/5ug
pET30c载体基本信息
| 出品公司: | Ybscience |
|---|---|
| 别名: | pET30c, pet 30c |
| 质粒类型: | 大肠杆菌蛋白表达 |
| 表达水平: | 高 |
| 克隆方法: | 多克隆位点,限制性内切酶 |
| 载体大小: | 5423 bp |
| 5' 测序引物: | T7 |
| 5' 测序引物序列: | 5'-TAATACGACTCACTATAGGG-3' |
| 载体标签: | N-His, N-S, N-Thrombin, N-EK, C-His |
| 载体抗性: | Kanamycin |
| 表达宿主菌: | BL21(DE3) 、 Rosetta2(DE3)、C43(DE3) |
| 备注: | N term thrombin cleavage site; N term enterokinase cleavage site; a,b,c vary by MCS |
| 稳定性: | 瞬时表达 Transient |
| 组成型: | 组成型 Constitutive |
| 病毒/非病毒: | 非病毒 |
pET30c载体质粒图谱和多克隆位点信息


| Feature Name | Start | End | |
|---|---|---|---|
| T7_terminator | 129 | 1 | |
| T7_Terminal_primer | 69 | 87 | |
| EK | 231 | 220 | |
| lacI | 303 | 1909 | |
| T7_transl_en_RBS | 373 | 357 | |
| lacO | 418 | 391 | |
| T7_promoter | 436 | 418 | |
| tet (300 - 563) | 472 | 735 | |
| pBRrevBam_primer | 543 | 524 | |
| tet (576 - 851) | 1968 | 2243 | |
| ROP | 2718 | 2909 | |
| pGEX_3_primer | 2925 | 2903 | |
| pBR322_origin | 3943 | 3324 | |
| KanR2 | 4049 | 4864 |
| ORF | Start | End | |
|---|---|---|---|
| ORF frame 1 | 328 | 1077 | |
| ORF frame 2 | 950 | 1909 | |
| ORF frame 2 | 4049 | 4864 |
| Enzyme Name | Cut |
|---|---|
| XhoI | 158 |
| NotI | 166 |
| EagI | 166 |
| HindIII | 173 |
| SalI | 179 |
| SacI | 190 |
| EcoRI | 192 |
| BamHI | 198 |
| EcoRV | 209 |
| NcoI | 213 |
| KpnI | 239 |
| BglII | 242 |
| BstBI | 269 |
| NdeI | 347 |
| XbaI | 385 |
| BclI | 1191 |
| ApaI | 1388 |
| HpaI | 1683 |
| FspI | 2259 |
| NruI | 4137 |
| SmaI | 4354 |
| XmaI | 4352 |
pET30c载体简介
The pET-30a-c(+) vectors carry an N-terminal His• Tag®/ thrombin/ S• Tag™/ enterokinase configuration plus an optional C-terminal His• Tag sequence. Unique sites are shown on the circle map. Note that the sequence is numbered by the pBR322 convention, so the T7 expression region is reversed on the circular map. The cloning/expression region of the coding strand transcribed by T7 RNA polymerase is shown below. The f1 origin is oriented so that infection with helper phage will produce virions containing single-stranded DNA that corresponds to the coding strand. Therefore, single-stranded sequencing should be performed using the T7 terminator primer (Cat. No. 69337-3).
pET30c载体序列
LOCUS pET-30 c (+) 5423 bp DNA Circular SYNDEFINITION pET-30 c (+)
ACCESSION
KEYWORDS
SOURCE
ORGANISM other sequences; artificial sequences; vectors.
COMMENT This file is created by Vector NTI
http://www.biofeng.com/
COMMENT ORIGDB|GenBank
COMMENT VNTAUTHORNAME|biofeng.com|
COMMENT VNTOAUTHORAD1|Novagen Inc.|
FEATURES Location/Qualifiers
source 1..5423
/organism="pET-30 c (+)"
/mol_type="other DNA"
terminator complement(1..129)
/label="T7_terminator"
misc_feature 69..87
/label="T7_Terminal_primer"
misc_feature complement(220..231)
/label="EK"
misc_feature 303..1909
/label="lacI"
CDS 328..1077
/label="ORF frame 1"
/translation="MMMMMVHMYISFLKLNKIISRGELLSAHNSPIVSRINFAGSRSI
SILYAGRIVAGITGATGAVAGAYIADITDGEDRARHFGLMSACFGVGMVAGPVAGGLL
GAISLHAPFLAAAVLNGLNLLLGCFLMQESHKGERRDPGHHRMAQNLSRYGMIAPGRE
SIQGGECETSNVIRCRRVCRCLLSDRFPRGEPGQPRFCENAGKSGSGDGGAELHSQPR
GTTTGGQTVVADWRCHLQSGPARAVANCRGD*"
misc_feature complement(357..373)
/label="T7_transl_en_RBS"
/translation="MMMMMVHMYISFLKLNKIISRGELLSAHNSPIVSRINFAGSRSI
SILYAGRIVAGITGATGAVAGAYIADITDGEDRARHFGLMSACFGVGMVAGPVAGGLL
GAISLHAPFLAAAVLNGLNLLLGCFLMQESHKGERRDPGHHRMAQNLSRYGMIAPGRE
SIQGGECETSNVIRCRRVCRCLLSDRFPRGEPGQPRFCENAGKSGSGDGGAELHSQPR
GTTTGGQTVVADWRCHLQSGPARAVANCRGD*"
misc_feature complement(391..418)
/label="lacO"
/translation="MMMMMVHMYISFLKLNKIISRGELLSAHNSPIVSRINFAGSRSI
SILYAGRIVAGITGATGAVAGAYIADITDGEDRARHFGLMSACFGVGMVAGPVAGGLL
GAISLHAPFLAAAVLNGLNLLLGCFLMQESHKGERRDPGHHRMAQNLSRYGMIAPGRE
SIQGGECETSNVIRCRRVCRCLLSDRFPRGEPGQPRFCENAGKSGSGDGGAELHSQPR
GTTTGGQTVVADWRCHLQSGPARAVANCRGD*"
promoter complement(418..436)
/label="T7_promoter"
/translation="MMMMMVHMYISFLKLNKIISRGELLSAHNSPIVSRINFAGSRSI
SILYAGRIVAGITGATGAVAGAYIADITDGEDRARHFGLMSACFGVGMVAGPVAGGLL
GAISLHAPFLAAAVLNGLNLLLGCFLMQESHKGERRDPGHHRMAQNLSRYGMIAPGRE
SIQGGECETSNVIRCRRVCRCLLSDRFPRGEPGQPRFCENAGKSGSGDGGAELHSQPR
GTTTGGQTVVADWRCHLQSGPARAVANCRGD*"
gene 472..735
/label="tet (300 - 563)"
/gene="tet (300 - 563)"
/translation="MMMMMVHMYISFLKLNKIISRGELLSAHNSPIVSRINFAGSRSI
SILYAGRIVAGITGATGAVAGAYIADITDGEDRARHFGLMSACFGVGMVAGPVAGGLL
GAISLHAPFLAAAVLNGLNLLLGCFLMQESHKGERRDPGHHRMAQNLSRYGMIAPGRE
SIQGGECETSNVIRCRRVCRCLLSDRFPRGEPGQPRFCENAGKSGSGDGGAELHSQPR
GTTTGGQTVVADWRCHLQSGPARAVANCRGD*"
misc_feature complement(524..543)
/label="pBRrevBam_primer"
/translation="MMMMMVHMYISFLKLNKIISRGELLSAHNSPIVSRINFAGSRSI
SILYAGRIVAGITGATGAVAGAYIADITDGEDRARHFGLMSACFGVGMVAGPVAGGLL
GAISLHAPFLAAAVLNGLNLLLGCFLMQESHKGERRDPGHHRMAQNLSRYGMIAPGRE
SIQGGECETSNVIRCRRVCRCLLSDRFPRGEPGQPRFCENAGKSGSGDGGAELHSQPR
GTTTGGQTVVADWRCHLQSGPARAVANCRGD*"
CDS 950..1909
/label="ORF frame 2"
/translation="MAELNYIPNRVAQQLAGKQSLLIGVATSSLALHAPSQIVAAIKS
RADQLGASVVVSMVERSGVEACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAACTNV
PALFLDVSDQTPINSIIFSHEDGTRLGVEHLVALGHQQIALLAGPLSSVSARLRLAGW
HKYLTRNQIQPIAEREGDWSAMSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITE
SGLRVGADISVVGYDDTEDSSCYIPPLTTIKQDFRLLGQTSVDRLLQLSQGQAVKGNQ
LLPVSLVKRKTTLAPNTQTASPRALADSLMQLARQVSRLESGQ*"
gene 1968..2243
/label="tet (576 - 851)"
/gene="tet (576 - 851)"
/translation="MAELNYIPNRVAQQLAGKQSLLIGVATSSLALHAPSQIVAAIKS
RADQLGASVVVSMVERSGVEACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAACTNV
PALFLDVSDQTPINSIIFSHEDGTRLGVEHLVALGHQQIALLAGPLSSVSARLRLAGW
HKYLTRNQIQPIAEREGDWSAMSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITE
SGLRVGADISVVGYDDTEDSSCYIPPLTTIKQDFRLLGQTSVDRLLQLSQGQAVKGNQ
LLPVSLVKRKTTLAPNTQTASPRALADSLMQLARQVSRLESGQ*"
misc_feature 2718..2909
/label="ROP"
/translation="MAELNYIPNRVAQQLAGKQSLLIGVATSSLALHAPSQIVAAIKS
RADQLGASVVVSMVERSGVEACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAACTNV
PALFLDVSDQTPINSIIFSHEDGTRLGVEHLVALGHQQIALLAGPLSSVSARLRLAGW
HKYLTRNQIQPIAEREGDWSAMSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITE
SGLRVGADISVVGYDDTEDSSCYIPPLTTIKQDFRLLGQTSVDRLLQLSQGQAVKGNQ
LLPVSLVKRKTTLAPNTQTASPRALADSLMQLARQVSRLESGQ*"
misc_feature complement(2903..2925)
/label="pGEX_3_primer"
/translation="MAELNYIPNRVAQQLAGKQSLLIGVATSSLALHAPSQIVAAIKS
RADQLGASVVVSMVERSGVEACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAACTNV
PALFLDVSDQTPINSIIFSHEDGTRLGVEHLVALGHQQIALLAGPLSSVSARLRLAGW
HKYLTRNQIQPIAEREGDWSAMSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITE
SGLRVGADISVVGYDDTEDSSCYIPPLTTIKQDFRLLGQTSVDRLLQLSQGQAVKGNQ
LLPVSLVKRKTTLAPNTQTASPRALADSLMQLARQVSRLESGQ*"
rep_origin complement(3324..3943)
/label="pBR322_origin"
/translation="MAELNYIPNRVAQQLAGKQSLLIGVATSSLALHAPSQIVAAIKS
RADQLGASVVVSMVERSGVEACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAACTNV
PALFLDVSDQTPINSIIFSHEDGTRLGVEHLVALGHQQIALLAGPLSSVSARLRLAGW
HKYLTRNQIQPIAEREGDWSAMSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITE
SGLRVGADISVVGYDDTEDSSCYIPPLTTIKQDFRLLGQTSVDRLLQLSQGQAVKGNQ
LLPVSLVKRKTTLAPNTQTASPRALADSLMQLARQVSRLESGQ*"
gene 4049..4864
/label="KanR2"
/gene="KanR2"
/translation="MAELNYIPNRVAQQLAGKQSLLIGVATSSLALHAPSQIVAAIKS
RADQLGASVVVSMVERSGVEACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAACTNV
PALFLDVSDQTPINSIIFSHEDGTRLGVEHLVALGHQQIALLAGPLSSVSARLRLAGW
HKYLTRNQIQPIAEREGDWSAMSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITE
SGLRVGADISVVGYDDTEDSSCYIPPLTTIKQDFRLLGQTSVDRLLQLSQGQAVKGNQ
LLPVSLVKRKTTLAPNTQTASPRALADSLMQLARQVSRLESGQ*"
CDS 4049..4864
/label="ORF frame 2"
/translation="MSHIQRETSCSRPRLNSNMDADLYGYKWARDNVGQSGATIYRLY
GKPDAPELFLKHGKGSVANDVTDEMVRLNWLTEFMPLPTIKHFIRTPDDAWLLTTAIP
GKTAFQVLEEYPDSGENIVDALAVFLRRLHSIPVCNCPFNSDRVFRLAQAQSRMNNGL
VDASDFDDERNGWPVEQVWKEMHKLLPFSPDSVVTHGDFSLDNLIFDEGKLIGCIDVG
RVGIADRYQDLAILWNCLGEFSPSLQKRLFQKYGIDNPDMNKLQFHLMLDEFF*"
ORIGIN
1 atccggatat agttcctcct ttcagcaaaa aacccctcaa gacccgttta gaggccccaa
61 ggggttatgc tagttattgc tcagcggtgg cagcagccaa ctcagcttcc tttcgggctt
121 tgttagcagc cggatctcag tggtggtggt ggtggtgctc gagtgcggcc gcaagcttgt
181 cgacggagct cgaattcgga tccacagata tcccatggcc ttgtcgtcgt cgtcggtacc
241 cagatctggg ctgtccatgt gctggcgttc gaatttagca gcagcggttt ctttcatacc
301 agaaccgcgt ggcaccagac cagaagaatg atgatgatga tggtgcatat gtatatctcc
361 ttcttaaagt taaacaaaat tatttctaga ggggaattgt tatccgctca caattcccct
421 atagtgagtc gtattaattt cgcgggatcg agatcgatct cgatcctcta cgccggacgc
481 atcgtggccg gcatcaccgg cgccacaggt gcggttgctg gcgcctatat cgccgacatc
541 accgatgggg aagatcgggc tcgccacttc gggctcatga gcgcttgttt cggcgtgggt
601 atggtggcag gccccgtggc cgggggactg ttgggcgcca tctccttgca tgcaccattc
661 cttgcggcgg cggtgctcaa cggcctcaac ctactactgg gctgcttcct aatgcaggag
721 tcgcataagg gagagcgtcg agatcccgga caccatcgaa tggcgcaaaa cctttcgcgg
781 tatggcatga tagcgcccgg aagagagtca attcagggtg gtgaatgtga aaccagtaac
841 gttatacgat gtcgcagagt atgccggtgt ctcttatcag accgtttccc gcgtggtgaa
901 ccaggccagc cacgtttctg cgaaaacgcg ggaaaaagtg gaagcggcga tggcggagct
961 gaattacatt cccaaccgcg tggcacaaca actggcgggc aaacagtcgt tgctgattgg
1021 cgttgccacc tccagtctgg ccctgcacgc gccgtcgcaa attgtcgcgg cgattaaatc
1081 tcgcgccgat caactgggtg ccagcgtggt ggtgtcgatg gtagaacgaa gcggcgtcga
1141 agcctgtaaa gcggcggtgc acaatcttct cgcgcaacgc gtcagtgggc tgatcattaa
1201 ctatccgctg gatgaccagg atgccattgc tgtggaagct gcctgcacta atgttccggc
1261 gttatttctt gatgtctctg accagacacc catcaacagt attattttct cccatgaaga
1321 cggtacgcga ctgggcgtgg agcatctggt cgcattgggt caccagcaaa tcgcgctgtt
1381 agcgggccca ttaagttctg tctcggcgcg tctgcgtctg gctggctggc ataaatatct
1441 cactcgcaat caaattcagc cgatagcgga acgggaaggc gactggagtg ccatgtccgg
1501 ttttcaacaa accatgcaaa tgctgaatga gggcatcgtt cccactgcga tgctggttgc
1561 caacgatcag atggcgctgg gcgcaatgcg cgccattacc gagtccgggc tgcgcgttgg
1621 tgcggacatc tcggtagtgg gatacgacga taccgaagac agctcatgtt atatcccgcc
1681 gttaaccacc atcaaacagg attttcgcct gctggggcaa accagcgtgg accgcttgct
1741 gcaactctct cagggccagg cggtgaaggg caatcagctg ttgcccgtct cactggtgaa
1801 aagaaaaacc accctggcgc ccaatacgca aaccgcctct ccccgcgcgt tggccgattc
1861 attaatgcag ctggcacgac aggtttcccg actggaaagc gggcagtgag cgcaacgcaa
1921 ttaatgtaag ttagctcact cattaggcac cgggatctcg accgatgccc ttgagagcct
1981 tcaacccagt cagctccttc cggtgggcgc ggggcatgac tatcgtcgcc gcacttatga
2041 ctgtcttctt tatcatgcaa ctcgtaggac aggtgccggc agcgctctgg gtcattttcg
2101 gcgaggaccg ctttcgctgg agcgcgacga tgatcggcct gtcgcttgcg gtattcggaa
2161 tcttgcacgc cctcgctcaa gccttcgtca ctggtcccgc caccaaacgt ttcggcgaga
2221 agcaggccat tatcgccggc atggcggccc cacgggtgcg catgatcgtg ctcctgtcgt
2281 tgaggacccg gctaggctgg cggggttgcc ttactggtta gcagaatgaa tcaccgatac
2341 gcgagcgaac gtgaagcgac tgctgctgca aaacgtctgc gacctgagca acaacatgaa
2401 tggtcttcgg tttccgtgtt tcgtaaagtc tggaaacgcg gaagtcagcg ccctgcacca
2461 ttatgttccg gatctgcatc gcaggatgct gctggctacc ctgtggaaca cctacatctg
2521 tattaacgaa gcgctggcat tgaccctgag tgatttttct ctggtcccgc cgcatccata
2581 ccgccagttg tttaccctca caacgttcca gtaaccgggc atgttcatca tcagtaaccc
2641 gtatcgtgag catcctctct cgtttcatcg gtatcattac ccccatgaac agaaatcccc
2701 cttacacgga ggcatcagtg accaaacagg aaaaaaccgc ccttaacatg gcccgcttta
2761 tcagaagcca gacattaacg cttctggaga aactcaacga gctggacgcg gatgaacagg
2821 cagacatctg tgaatcgctt cacgaccacg ctgatgagct ttaccgcagc tgcctcgcgc
2881 gtttcggtga tgacggtgaa aacctctgac acatgcagct cccggagacg gtcacagctt
2941 gtctgtaagc ggatgccggg agcagacaag cccgtcaggg cgcgtcagcg ggtgttggcg
3001 ggtgtcgggg cgcagccatg acccagtcac gtagcgatag cggagtgtat actggcttaa
3061 ctatgcggca tcagagcaga ttgtactgag agtgcaccat atatgcggtg tgaaataccg
3121 cacagatgcg taaggagaaa ataccgcatc aggcgctctt ccgcttcctc gctcactgac
3181 tcgctgcgct cggtcgttcg gctgcggcga gcggtatcag ctcactcaaa ggcggtaata
3241 cggttatcca cagaatcagg ggataacgca ggaaagaaca tgtgagcaaa aggccagcaa
3301 aaggccagga accgtaaaaa ggccgcgttg ctggcgtttt tccataggct ccgcccccct
3361 gacgagcatc acaaaaatcg acgctcaagt cagaggtggc gaaacccgac aggactataa
3421 agataccagg cgtttccccc tggaagctcc ctcgtgcgct ctcctgttcc gaccctgccg
3481 cttaccggat acctgtccgc ctttctccct tcgggaagcg tggcgctttc tcatagctca
3541 cgctgtaggt atctcagttc ggtgtaggtc gttcgctcca agctgggctg tgtgcacgaa
3601 ccccccgttc agcccgaccg ctgcgcctta tccggtaact atcgtcttga gtccaacccg
3661 gtaagacacg acttatcgcc actggcagca gccactggta acaggattag cagagcgagg
3721 tatgtaggcg gtgctacaga gttcttgaag tggtggccta actacggcta cactagaagg
3781 acagtatttg gtatctgcgc tctgctgaag ccagttacct tcggaaaaag agttggtagc
3841 tcttgatccg gcaaacaaac caccgctggt agcggtggtt tttttgtttg caagcagcag
3901 attacgcgca gaaaaaaagg atctcaagaa gatcctttga tcttttctac ggggtctgac
3961 gctcagtgga acgaaaactc acgttaaggg attttggtca tgaacaataa aactgtctgc
4021 ttacataaac agtaatacaa ggggtgttat gagccatatt caacgggaaa cgtcttgctc
4081 taggccgcga ttaaattcca acatggatgc tgatttatat gggtataaat gggctcgcga
4141 taatgtcggg caatcaggtg cgacaatcta tcgattgtat gggaagcccg atgcgccaga
4201 gttgtttctg aaacatggca aaggtagcgt tgccaatgat gttacagatg agatggtcag
4261 actaaactgg ctgacggaat ttatgcctct tccgaccatc aagcatttta tccgtactcc
4321 tgatgatgca tggttactca ccactgcgat ccccgggaaa acagcattcc aggtattaga
4381 agaatatcct gattcaggtg aaaatattgt tgatgcgctg gcagtgttcc tgcgccggtt
4441 gcattcgatt cctgtttgta attgtccttt taacagcgat cgcgtatttc gtctcgctca
4501 ggcgcaatca cgaatgaata acggtttggt tgatgcgagt gattttgatg acgagcgtaa
4561 tggctggcct gttgaacaag tctggaaaga aatgcataaa cttttgccat tctcaccgga
4621 ttcagtcgtc actcatggtg atttctcact tgataacctt atttttgacg aggggaaatt
4681 aataggttgt attgatgttg gacgagtcgg aatcgcagac cgataccagg atcttgccat
4741 cctatggaac tgcctcggtg agttttctcc ttcattacag aaacggcttt ttcaaaaata
4801 tggtattgat aatcctgata tgaataaatt gcagtttcat ttgatgctcg atgagttttt
4861 ctaagaatta attcatgagc ggatacatat ttgaatgtat ttagaaaaat aaacaaatag
4921 gggttccgcg cacatttccc cgaaaagtgc cacctgaaat tgtaaacgtt aatattttgt
4981 taaaattcgc gttaaatttt tgttaaatca gctcattttt taaccaatag gccgaaatcg
5041 gcaaaatccc ttataaatca aaagaataga ccgagatagg gttgagtgtt gttccagttt
5101 ggaacaagag tccactatta aagaacgtgg actccaacgt caaagggcga aaaaccgtct
5161 atcagggcga tggcccacta cgtgaaccat caccctaatc aagttttttg gggtcgaggt
5221 gccgtaaagc actaaatcgg aaccctaaag ggagcccccg atttagagct tgacggggaa
5281 agccggcgaa cgtggcgaga aaggaaggga agaaagcgaa aggagcgggc gctagggcgc
5341 tggcaagtgt agcggtcacg ctgcgcgtaa ccaccacacc cgccgcgctt aatgcgccgc
5401 tacagggcgc gtcccattcg cca
//
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一、组成部件(一)装有铂金丝的贮液槽一对,配有冷却装置及电泳缓冲液流出口。(二)凹型橡胶框,配有玻璃板,可分别制作厚度为lmm、1.5mm的凝胶板,操作时根据需要选择适当厚度的玻璃板及梳子配套使用。(三)样品孔模具(梳子)用于电泳加样。(四)固定贮液槽的螺丝杆及螺母4对,28D、30型为5对。(五)橡胶管五根。两根长的用于连接冷却水的出入口;中等长度的两根用于连接电极缓;中液的流出口;最短的一根用于连接贮液槽间的冷却水。(六)导线1付。二、使用方法(一)清洗部件上述部件组装前要彻底清洗干净
的BL-21 / pET32a(+)/ pTBO超声处理后的上清液; 泳道3:诱导BL-21 / pET 32a(+)/ pTBO超声处理后沉淀; 泳道4:BL-21 / pET 32a(+)/ pTBO超声处理诱导5小时后的上清液。pTBO融合蛋白的分子量约为22kDa。经验对于原核物种中的异源蛋白质表达,首先,我们需要优化通常用于大肠杆菌的密码子。其次,在培养基中加入IPTG后,让培养物生长不同的时间点,如3小时,6小时,12小时18小时,并在37°C,30°C,21°C或不同的温度下尝试不同
dmdfe 本人将GFP基因后面加了一段大约110bp的序列,插入PET28A的BamH1和Hind3位点,最后在BL21中表达。 经SDS-PAGE验证表明: 目的蛋白 大量存在菌体裂解后沉淀即包涵体中,但是该沉淀无色。 少量存在于上清中,上清显微弱的绿色。 看文献大量报道GFP融合蛋白几乎都形成可溶性表达,目的蛋白在上清中,并且诱导条件没有太大要求。 想请教一下各位做过GFP原核表达的经验
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