产品介绍
V01078必拓生物pTSNCEF载体,pTSNCEF vector,质粒载体图谱
pTSNCEF载体含有STII信号肽、c-myc标签编码序列和共表达的分子伴侣FkpA编码序列。来自大肠杆菌热稳定的肠毒素II的信号肽(STII)已经被证明是一种高效率的引导外源蛋白分泌的信号肽,依赖于不同的蛋白种类和序列,其分泌产物甚至可以以较高的浓度聚集在培养基中。c-myc标签序列是一种广泛用于检测的通用标签,针对c-myc的抗体具有特异性好、交叉反应少等优点。分子伴侣FkpA同时具有肽酰脯氨酰顺反异构酶活性和分子伴侣活性,可以促进外源蛋白的正确折叠,有利于外源蛋白的表达。除此之外,pTSNCEF载体还含有T7启动子,可用于外源蛋白在大肠杆菌体系中的高效分泌表达。载体大小约为5.5kbp,卡钠霉素抗性。
产品特色
1.含有大肠杆菌热稳定的肠毒素II的信号肽,分泌效率极高;
2.含有强启动子T7启动子,表达效率较高;
3.含有分子伴侣FkpA,可促进外源蛋白正确折叠与表达
成分
10 mM Tris(pH8.0)
保存条件
-20℃保存
注意事项
1. T7启动子强度较高,为提高分泌量,可以减少诱导剂的浓度至0.05 mM IPTG;
2.可以采用自诱导的方式分泌表达目的蛋白;
3.不同种类或不同序列的蛋白,其分泌效率差异很大,需要进行预实验确定较好的条件
产品目录
货号 | 产品名称 | 规格 | 报价(元) |
V01078 | pTSNCEF vector | 10μl,20ng/μl | 2000 |
必拓生物pTSNCEF载体,pTSNCEF vector,质粒载体图谱
LOCUS pTSNCEF 6215 bp DNA circular 12-MAY-2017
SOURCE
ORGANISM
FEATURES Location/Qualifiers
promoter 21..37
/vntifkey="30"
/label=T7\promoter
misc_feature complement(1815..2627)
/vntifkey="21"
/label=kan
misc_feature complement(4770..5849)
/vntifkey="21"
/label=lacI
misc_feature 1096..1113
/vntifkey="21"
/label=His6
sig_peptide 107..175
/vntifkey="94"
/label=STII\signal\peptide
misc_feature 194..226
/vntifkey="21"
/label=c-myc\tag
misc_feature 271..1080
/vntifkey="21"
/label=E.coli\FkpA
BASE COUNT 1541 a 1613 c 1590 g 1471 t
ORIGIN
1 agatctcgat cccgcgaaat taatacgact cactataggg gaattgtgag cggataacaa
61 ttcccctcta gaataatttt gtttaacttt aagaaggaga tataccatga aaaagaatat
121 cgcatttctt cttgcatcta tgttcgtttt ttctattgct acaaacgcgt acgctctcga
181 gcatatggaa ttcgaacaaa aactcatctc agaagaggat ctgaattaag ctagcaataa
241 ttttgtttaa ctttaagaag gagatatacc atgaaatcac tgtttaaagt aacgctgctg
301 gcgaccacaa tggccgttgc cctgcatgca ccaatcactt ttgctgctga agctgcaaaa
361 cctgctacag ctgctgacag caaagcagcg ttcaaaaatg acgatcagaa atcagcttat
421 gcactgggtg cctcgctggg tcgttacatg gaaaactctc taaaagaaca agaaaaactg
481 ggcatcaaac tggataaaga tcagctgatt gctggtgttc aggatgcatt tgctgataag
541 agcaaactct ccgaccaaga gatcgaacag actctacaag cattcgaagc tcgcgtgaag
601 tcttctgctc aggcgaagat ggaaaaagac gcggctgata acgaagcaaa aggtaaagag
661 taccgcgtga aatttgccaa agagaaaggt gtgaaaacct cttcaactgg tctggtttat
721 caggtagtag aagccggtaa aggcgaagca ccgaaagaca gcgatactgt tgtagtgaac
781 tacaaaggta cgctgatcga cggtaaagag ttcgacaact cttacacccg tggtgaaccg
841 ctttctttcc gtctggacgg tgttatcccg ggttggacag aaggtctgaa gaacatcaag
901 aaaggcggta agatcaaact ggttattcca ccagaactgg cttacggcaa agcgggtgtt
961 ccggggattc caccgaactc taccctggtg tttgacgtag agctgctgga tgtgaaacca
1021 gcgccgaagg ctgatgcaaa gccggaagct gatgcgaaag ccgcagattc tgctaaaaaa
1081 taaggatccg tcgagcacca ccaccaccac cactgagatc cggctgctaa caaagcccga
1141 aaggaagctg agttggctgc tgccaccgct gagcaataac tagcataacc ccttggggcc
1201 tctaaacggg tcttgagggg ttttttgctg aaaggaggaa ctatatccgg attggcgaat
1261 gggacgcgcc ctgtagcggc gcattaagcg cggcgggtgt ggtggttacg cgcagcgtga
1321 ccgctacact tgccagcgcc ctagcgcccg ctcctttcgc tttcttccct tcctttctcg
1381 ccacgttcgc cggctttccc cgtcaagctc taaatcgggg gctcccttta gggttccgat
1441 ttagtgcttt acggcacctc gaccccaaaa aacttgatta gggtgatggt tcacgtagtg
1501 ggccatcgcc ctgatagacg gtttttcgcc ctttgacgtt ggagtccacg ttctttaata
1561 gtggactctt gttccaaact ggaacaacac tcaaccctat ctcggtctat tcttttgatt
1621 tataagggat tttgccgatt tcggcctatt ggttaaaaaa tgagctgatt taacaaaaat
1681 ttaacgcgaa ttttaacaaa atattaacgt ttacaatttc aggtggcact tttcggggaa
1741 atgtgcgcgg aacccctatt tgtttatttt tctaaataca ttcaaatatg tatccgctca
1801 tgaattaatt cttagaaaaa ctcatcgagc atcaaatgaa actgcaattt attcatatca
1861 ggattatcaa taccatattt ttgaaaaagc cgtttctgta atgaaggaga aaactcaccg
1921 aggcagttcc ataggatggc aagatcctgg tatcggtctg cgattccgac tcgtccaaca
1981 tcaatacaac ctattaattt cccctcgtca aaaataaggt tatcaagtga gaaatcacca
2041 tgagtgacga ctgaatccgg tgagaatggc aaaagtttat gcatttcttt ccagacttgt
2101 tcaacaggcc agccattacg ctcgtcatca aaatcactcg catcaaccaa accgttattc
2161 attcgtgatt gcgcctgagc gagacgaaat acgcgatcgc tgttaaaagg acaattacaa
2221 acaggaatcg aatgcaaccg gcgcaggaac actgccagcg catcaacaat attttcacct
2281 gaatcaggat attcttctaa tacctggaat gctgttttcc cggggatcgc agtggtgagt
2341 aaccatgcat catcaggagt acggataaaa tgcttgatgg tcggaagagg cataaattcc
2401 gtcagccagt ttagtctgac catctcatct gtaacatcat tggcaacgct acctttgcca
2461 tgtttcagaa acaactctgg cgcatcgggc ttcccataca atcgatagat tgtcgcacct
2521 gattgcccga cattatcgcg agcccattta tacccatata aatcagcatc catgttggaa
2581 tttaatcgcg gcctagagca agacgtttcc cgttgaatat ggctcataac accccttgta
2641 ttactgttta tgtaagcaga cagttttatt gttcatgacc aaaatccctt aacgtgagtt
2701 ttcgttccac tgagcgtcag accccgtaga aaagatcaaa ggatcttctt gagatccttt
2761 ttttctgcgc gtaatctgct gcttgcaaac aaaaaaacca ccgctaccag cggtggtttg
2821 tttgccggat caagagctac caactctttt tccgaaggta actggcttca gcagagcgca
2881 gataccaaat actgtccttc tagtgtagcc gtagttaggc caccacttca agaactctgt
2941 agcaccgcct acatacctcg ctctgctaat cctgttacca gtggctgctg ccagtggcga
3001 taagtcgtgt cttaccgggt tggactcaag acgatagtta ccggataagg cgcagcggtc
3061 gggctgaacg gggggttcgt gcacacagcc cagcttggag cgaacgacct acaccgaact
3121 gagataccta cagcgtgagc tatgagaaag cgccacgctt cccgaaggga gaaaggcgga
3181 caggtatccg gtaagcggca gggtcggaac aggagagcgc acgagggagc ttccaggggg
3241 aaacgcctgg tatctttata gtcctgtcgg gtttcgccac ctctgacttg agcgtcgatt
3301 tttgtgatgc tcgtcagggg ggcggagcct atggaaaaac gccagcaacg cggccttttt
3361 acggttcctg gccttttgct ggccttttgc tcacatgttc tttcctgcgt tatcccctga
3421 ttctgtggat aaccgtatta ccgcctttga gtgagctgat accgctcgcc gcagccgaac
3481 gaccgagcgc agcgagtcag tgagcgagga agcggaagag cgcctgatgc ggtattttct
3541 ccttacgcat ctgtgcggta tttcacaccg catatatggt gcactctcag tacaatctgc
3601 tctgatgccg catagttaag ccagtataca ctccgctatc gctacgtgac tgggtcatgg
3661 ctgcgccccg acacccgcca acacccgctg acgcgccctg acgggcttgt ctgctcccgg
3721 catccgctta cagacaagct gtgaccgtct ccgggagctg catgtgtcag aggttttcac
3781 cgtcatcacc gaaacgcgcg aggcagctgc ggtaaagctc atcagcgtgg tcgtgaagcg
3841 attcacagat gtctgcctgt tcatccgcgt ccagctcgtt gagtttctcc agaagcgtta
3901 atgtctggct tctgataaag cgggccatgt taagggcggt tttttcctgt ttggtcactg
3961 atgcctccgt gtaaggggga tttctgttca tgggggtaat gataccgatg aaacgagaga
4021 ggatgctcac gatacgggtt actgatgatg aacatgcccg gttactggaa cgttgtgagg
4081 gtaaacaact ggcggtatgg atgcggcggg accagagaaa aatcactcag ggtcaatgcc
4141 agcgcttcgt taatacagat gtaggtgttc cacagggtag ccagcagcat cctgcgatgc
4201 agatccggaa cataatggtg cagggcgctg acttccgcgt ttccagactt tacgaaacac
4261 ggaaaccgaa gaccattcat gttgttgctc aggtcgcaga cgttttgcag cagcagtcgc
4321 ttcacgttcg ctcgcgtatc ggtgattcat tctgctaacc agtaaggcaa ccccgccagc
4381 ctagccgggt cctcaacgac aggagcacga tcatgcgcac ccgtggggcc gccatgccgg
4441 cgataatggc ctgcttctcg ccgaaacgtt tggtggcggg accagtgacg aaggcttgag
4501 cgagggcgtg caagattccg aataccgcaa gcgacaggcc gatcatcgtc gcgctccagc
4561 gaaagcggtc ctcgccgaaa atgacccaga gcgctgccgg cacctgtcct acgagttgca
4621 tgataaagaa gacagtcata agtgcggcga cgatagtcat gccccgcgcc caccggaagg
4681 agctgactgg gttgaaggct ctcaagggca tcggtcgaga tcccggtgcc taatgagtga
4741 gctaacttac attaattgcg ttgcgctcac tgcccgcttt ccagtcggga aacctgtcgt
4801 gccagctgca ttaatgaatc ggccaacgcg cggggagagg cggtttgcgt attgggcgcc
4861 agggtggttt ttcttttcac cagtgagacg ggcaacagct gattgccctt caccgcctgg
4921 ccctgagaga gttgcagcaa gcggtccacg ctggtttgcc ccagcaggcg aaaatcctgt
4981 ttgatggtgg ttaacggcgg gatataacat gagctgtctt cggtatcgtc gtatcccact
5041 accgagatat ccgcaccaac gcgcagcccg gactcggtaa tggcgcgcat tgcgcccagc
5101 gccatctgat cgttggcaac cagcatcgca gtgggaacga tgccctcatt cagcatttgc
5161 atggtttgtt gaaaaccgga catggcactc cagtcgcctt cccgttccgc tatcggctga
5221 atttgattgc gagtgagata tttatgccag ccagccagac gcagacgcgc cgagacagaa
5281 cttaatgggc ccgctaacag cgcgatttgc tggtgaccca atgcgaccag atgctccacg
5341 cccagtcgcg taccgtcttc atgggagaaa ataatactgt tgatgggtgt ctggtcagag
5401 acatcaagaa ataacgccgg aacattagtg caggcagctt ccacagcaat ggcatcctgg
5461 tcatccagcg gatagttaat gatcagccca ctgacgcgtt gcgcgagaag attgtgcacc
5521 gccgctttac aggcttcgac gccgcttcgt tctaccatcg acaccaccac gctggcaccc
5581 agttgatcgg cgcgagattt aatcgccgcg acaatttgcg acggcgcgtg cagggccaga
5641 ctggaggtgg caacgccaat cagcaacgac tgtttgcccg ccagttgttg tgccacgcgg
5701 ttgggaatgt aattcagctc cgccatcgcc gcttccactt tttcccgcgt tttcgcagaa
5761 acgtggctgg cctggttcac cacgcgggaa acggtctgat aagagacacc ggcatactct
5821 gcgacatcgt ataacgttac tggtttcaca ttcaccaccc tgaattgact ctcttccggg
5881 cgctatcatg ccataccgcg aaaggttttg cgccattcga tggtgtccgg gatctcgacg
5941 ctctccctta tgcgactcct gcattaggaa gcagcccagt agtaggttga ggccgttgag
6001 caccgccgcc gcaaggaatg gtgcatgcaa ggagatggcg cccaacagtc ccccggccac
6061 ggggcctgcc accataccca cgccgaaaca agcgctcatg agcccgaagt ggcgagcccg
6121 atcttcccca tcggtgatgt cggcgatata ggcgccagca accgcacctg tggcgccggt
6181 gatgccggcc acgatgcgtc cggcgtagag gatcg
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