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pET-42b

pET-42b
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  • 产品名称：pET-42b
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简单介绍
pET-42b系列载体是用来进行克隆和高水平表达含有220个氨基酸的GST融合纯化标签的蛋白表达载体。pET-42b
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pET-42b

  • 产品信息
  • 基本信息
  • 质粒简介
  • 质粒图谱
  • 质粒序列

产品信息

产品货号 产品名称 产品规格 优惠价
XY0040 pET-42b

20μl

¥请询价

使用说明

信裕质粒平台的各批次质粒菌株发货前均经过严格的多重验证，如存在质量问题，请在收到产品的三个月内通知我司。收到质粒后请短暂离心，加入20μl ddH2O溶解质粒，取2μl转化至对应感受态中，挑取单克隆重新提取质粒后使用。如需获取其他详细信息请登录我司官网查询。

基本信息

启动子: T7/lac
复制子: ColE1 ori，F1 ori
终止子: T7 terminator
质粒分类: 大肠杆菌载体；PET系列表达质粒
质粒大小: 5929bp
质粒标签: N-GST, N-6×His, N-S, C-6×His, N-Thrombin, N-Factor Xa
原核抗性: 卡那霉素Kan
克隆菌株: DH5α
培养条件: 37℃，有氧，LB
表达宿主: BL21(DE3)
培养条件: 37℃，有氧，LB
诱导方式: IPTG或乳糖及其类似物
5'测序引物: T7:TAATACGACTCACTATAGGG
3'测序引物: T7-ter:TGCTAGTTATTGCTCAGCGG

质粒简介

       pET42系列载体是用来进行克隆和高水平表达含有220个氨基酸的GST融合纯化标签的蛋白表达载体。
       pET42a载体的单一的多克隆位点见上面的环状质粒图谱。注意：载体序列是以pBR322质粒的编码规矩进行编码的，所以T7蛋白表达区在质粒图谱上面是反向的。T7 RNA聚合酶启动的克隆和表达区域在质粒图谱中也被标注了出来。质粒的F1复制子是被定向的，所以在T7噬菌体聚合酶的作用下，包含有蛋白编码序列的病毒 粒子能够产生，并启动蛋白表达，同时蛋白表达将被T7终止子序列的作用下终止蛋白翻译。
       把表达的基因插入到载体的PshAI限制性内切酶位点时，可以通过Factor Xa蛋白酶将融合表达的GST标签完全切除。

质粒图谱

质粒序列

LOCUS       Exported                5929 bp ds-DNA     circular SYN 10-8-2015
DEFINITION  synthetic circular DNA
ACCESSION   .
VERSION     .
KEYWORDS    Untitled 4
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 5929)
  AUTHORS   .
  TITLE     Direct Submission
  JOURNAL   Exported 2015-8-10  from MLCC
            http://www.miaolingbio.com
FEATURES             Location/Qualifiers
     source          1..5929
                     /organism="synthetic DNA construct"
                     /mol_type="other DNA"
     source          1099..1121
                     /organism="Enterobacteria phage T7"
                     /mol_type="genomic DNA"
                     /db_xref="taxon:10760"
     terminator      26..73
                     /note="T7 terminator"
                     /note="transcription terminator for bacteriophage T7 RNA
                     polymerase"
     CDS             complement(150..173)
                     /codon_start=1
                     /product="8xHis affinity tag"
                     /note="8xHis"
                     /translation="HHHHHHHH"
     CDS             complement(264..275)
                     /codon_start=1
                     /product="Factor Xa recognition and cleavage site"
                     /note="Factor Xa site"
                     /translation="IEGR"
     CDS             complement(306..350)
                     /codon_start=1
                     /product="affinity and epitope tag derived from pancreatic
                     ribonuclease A"
                     /note="S-Tag"
                     /translation="KETAAAKFERQHMDS"
     CDS             complement(366..383)
                     /codon_start=1
                     /product="thrombin recognition and cleavage site"
                     /note="thrombin site"
                     /translation="LVPRGS"
     CDS             complement(393..410)
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /note="6xHis"
                     /translation="HHHHHH"
     CDS             complement(438..1091)
                     /codon_start=1
                     /product="glutathione S-transferase from Schistosoma
                     japonicum"
                     /note="GST"
                     /translation="MSPILGYWKIKGLVQPTRLLLEYLEEKYEEHLYERDEGDKWRNKK
                     FELGLEFPNLPYYIDGDVKLTQSMAIIRYIADKHNMLGGCPKERAEISMLEGAVLDIRY
                     GVSRIAYSKDFETLKVDFLSKLPEMLKMFEDRLCHKTYLNGDHVTHPDFMLYDALDVVL
                     YMDPMCLDAFPKLVCFKKRIEAIPQIDKYLKSSKYIAWPLQGWQATFGGGDHPPK"
     RBS             1099..1121
                     /note="efficient ribosome binding site from bacteriophage
                     T7 gene 10 (Olins and Rangwala, 1989)"
     protein_bind    1136..1160
                     /bound_moiety="lac repressor encoded by lacI"
                     /note="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(1161..1179)
                     /note="T7 promoter"
                     /note="promoter for bacteriophage T7 RNA polymerase"
     promoter        1492..1569
                     /gene="lacI"
                     /note="lacI promoter"
     CDS             1570..2652
                     /codon_start=1
                     /gene="lacI"
                     /product="lac repressor"
                     /note="lacI"
                     /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)."
                     /translation="MKPVTLYDVAEYAGVSYQTVSRVVNQASHVSAKTREKVEAAMAEL
                     NYIPNRVAQQLAGKQSLLIGVATSSLALHAPSQIVAAIKSRADQLGASVVVSMVERSGV
                     EACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAACTNVPALFLDVSDQTPINSIIFSH
                     EDGTRLGVEHLVALGHQQIALLAGPLSSVSARLRLAGWHKYLTRNQIQPIAEREGDWSA
                     MSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITESGLRVGADISVVGYDDTEDSSC
                     YIPPLTTIKQDFRLLGQTSVDRLLQLSQGQAVKGNQLLPVSLVKRKTTLAPNTQTASPR
                     ALADSLMQLARQVSRLESGQ"
     CDS             3224..3415
                     /codon_start=1
                     /gene="rop"
                     /product="Rop protein, which maintains plasmids at low copy
                     number"
                     /note="rop"
                     /translation="MTKQEKTALNMARFIRSQTLTLLEKLNELDADEQADICESLHDHA
                     DELYRSCLARFGDDGENL"
     misc_feature    3517..3659
                     /note="bom"
                     /note="basis of mobility region from pBR322"
     rep_origin      complement(3845..4433)
                     /direction=LEFT
                     /note="ori"
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of
                     replication"
     CDS             4555..5370
                     /codon_start=1
                     /product="aminoglycoside phosphotransferase"
                     /note="KanR"
                     /note="confers resistance to kanamycin in bacteria or G418
                     (Geneticin(R)) in eukaryotes"
                     /translation="MSHIQRETSCSRPRLNSNMDADLYGYKWARDNVGQSGATIYRLYG
                     KPDAPELFLKHGKGSVANDVTDEMVRLNWLTEFMPLPTIKHFIRTPDDAWLLTTAIPGK
                     TAFQVLEEYPDSGENIVDALAVFLRRLHSIPVCNCPFNSDRVFRLAQAQSRMNNGLVDA
                     SDFDDERNGWPVEQVWKEMHKLLPFSPDSVVTHGDFSLDNLIFDEGKLIGCIDVGRVGI
                     ADRYQDLAILWNCLGEFSPSLQKRLFQKYGIDNPDMNKLQFHLMLDEFF"
     rep_origin      complement(5463..5918)
                     /direction=LEFT
                     /note="f1 ori"
                     /note="f1 bacteriophage origin of replication; arrow
                     indicates direction of (+) strand synthesis"
ORIGIN
        1 atccggatat agttcctcct ttcagcaaaa aacccctcaa gacccgttta gaggccccaa
       61 ggggttatgc tagttattgc tcagcggtgg cagcagccaa ctcagcttcc tttcgggctt
      121 tgtttagcag cctaggtatt aatcaattag tggtggtggt ggtggtggtg gtgctcgagt
      181 gcggccgcaa gcttgtcgac ggagctcgcc tgcaggcgcg ccaaggcctg tacagaattc
      241 ggatccccga tatccatgga cccgcgtccc tcaataccgg agccaccacc ggtacccaga
      301 tctgggctgt ccatgtgctg gcgttcgaat ttagcagcag cggtttcttt cataccaatt
      361 gcagtactac cgcgtggcac cagacccgcg gagtgatggt gatggtgatg accagaacca
      421 ctagttgaac catccgattt tggaggatgg tcgccaccac caaacgtggc ttgccagccc
      481 tgcaaaggcc atgctatata cttgctggat ttcaagtact tatcaatttg tgggatagct
      541 tcaatacgtt ttttaaaaca aactaatttt gggaacgcat ccaggcacat tgggtccatg
      601 tataaaacaa catcaagagc gtcatacaac atgaagtcag gatgggttac atgatcacca
      661 tttaaatatg ttttatgaca taaacgatct tcgaacattt tcagcatttc aggtagcttg
      721 ctaagaaaat caactttgag agtttcaaag tctttactat atgcaattct cgaaacaccg
      781 tatctaatat ccaaaaccgc tccttcaagc attgaaatct ctgcacgctc ttttggacaa
      841 ccacccaaca tgttgtgctt gtcagctata taacgtatga tggccataga ctgtgttaat
      901 ttaacatcac catcaatata ataaggaaga ttgggaaact ccaaacccaa ttcaaacttt
      961 ttgtttcgcc atttatcacc ttcatcgcgc tcatacaaat gctcttcata tttttcttca
     1021 agatattcca aaagaagtcg agtgggttgc acaaggccct taattttcca ataacctagt
     1081 ataggggaca tatgtatatc tccttcttaa agttaaacaa aattatttct agaggggaat
     1141 tgttatccgc tcacaattcc cctatagtga gtcgtattaa tttcgcggga tcgagatcga
     1201 tctcgatcct ctacgccgga cgcatcgtgg ccggcatcac cggcgccaca ggtgcggttg
     1261 ctggcgccta tatcgccgac atcaccgatg gggaagatcg ggctcgccac ttcgggctca
     1321 tgagcgcttg tttcggcgtg ggtatggtgg caggccccgt ggccggggga ctgttgggcg
     1381 ccatctcctt gcatgcacca ttccttgcgg cggcggtgct caacggcctc aacctactac
     1441 tgggctgctt cctaatgcag gagtcgcata agggagagcg tcgagatccc ggacaccatc
     1501 gaatggcgca aaacctttcg cggtatggca tgatagcgcc cggaagagag tcaattcagg
     1561 gtggtgaatg tgaaaccagt aacgttatac gatgtcgcag agtatgccgg tgtctcttat
     1621 cagaccgttt cccgcgtggt gaaccaggcc agccacgttt ctgcgaaaac gcgggaaaaa
     1681 gtggaagcgg cgatggcgga gctgaattac attcccaacc gcgtggcaca acaactggcg
     1741 ggcaaacagt cgttgctgat tggcgttgcc acctccagtc tggccctgca cgcgccgtcg
     1801 caaattgtcg cggcgattaa atctcgcgcc gatcaactgg gtgccagcgt ggtggtgtcg
     1861 atggtagaac gaagcggcgt cgaagcctgt aaagcggcgg tgcacaatct tctcgcgcaa
     1921 cgcgtcagtg ggctgatcat taactatccg ctggatgacc aggatgccat tgctgtggaa
     1981 gctgcctgca ctaatgttcc ggcgttattt cttgatgtct ctgaccagac acccatcaac
     2041 agtattattt tctcccatga agacggtacg cgactgggcg tggagcatct ggtcgcattg
     2101 ggtcaccagc aaatcgcgct gttagcgggc ccattaagtt ctgtctcggc gcgtctgcgt
     2161 ctggctggct ggcataaata tctcactcgc aatcaaattc agccgatagc ggaacgggaa
     2221 ggcgactgga gtgccatgtc cggttttcaa caaaccatgc aaatgctgaa tgagggcatc
     2281 gttcccactg cgatgctggt tgccaacgat cagatggcgc tgggcgcaat gcgcgccatt
     2341 accgagtccg ggctgcgcgt tggtgcggac atctcggtag tgggatacga cgataccgaa
     2401 gacagctcat gttatatccc gccgttaacc accatcaaac aggattttcg cctgctgggg
     2461 caaaccagcg tggaccgctt gctgcaactc tctcagggcc aggcggtgaa gggcaatcag
     2521 ctgttgcccg tctcactggt gaaaagaaaa accaccctgg cgcccaatac gcaaaccgcc
     2581 tctccccgcg cgttggccga ttcattaatg cagctggcac gacaggtttc ccgactggaa
     2641 agcgggcagt gagcgcaacg caattaatgt aagttagctc actcattagg caccgggatc
     2701 tcgaccgatg cccttgagag ccttcaaccc agtcagctcc ttccggtggg cgcggggcat
     2761 gactagcatg atcgtgctcc tgtcgttgag gacccggcta ggctggcggg gttgccttac
     2821 tggttagcag aatgaatcac cgatacgcga gcgaacgtga agcgactgct gctgcaaaac
     2881 gtctgcgacc tgagcaacaa catgaatggt cttcggtttc cgtgtttcgt aaagtctgga
     2941 aacgcggaag tcagcgccct gcaccattat gttccggatc tgcatcgcag gatgctgctg
     3001 gctaccctgt ggaacaccta catctgtatt aacgaagcgc tggcattgac cctgagtgat
     3061 ttttctctgg tcccgccgca tccataccgc cagttgttta ccctcacaac gttccagtaa
     3121 ccgggcatgt tcatcatcag taacccgtat cgtgagcatc ctctctcgtt tcatcggtat
     3181 cattaccccc atgaacagaa atccccctta cacggaggca tcagtgacca aacaggaaaa
     3241 aaccgccctt aacatggccc gctttatcag aagccagaca ttaacgcttc tggagaaact
     3301 caacgagctg gacgcggatg aacaggcaga catctgtgaa tcgcttcacg accacgctga
     3361 tgagctttac cgcagctgcc tcgcgcgttt cggtgatgac ggtgaaaacc tctgacacat
     3421 gcagctcccg gagacggtca cagcttgtct gtaagcggat gccgggagca gacaagcccg
     3481 tcagggcgcg tcagcgggtg ttggcgggtg tcggggcgca gccatgaccc agtcacgtag
     3541 cgatagcgga gtgtatactg gcttaactat gcggcatcag agcagattgt actgagagtg
     3601 caccatatat gcggtgtgaa ataccgcaca gatgcgtaag gagaaaatac cgcatcaggc
     3661 gctcttccgc ttcctcgctc actgactcgc tgcgctcggt cgttcggctg cggcgagcgg
     3721 tatcagctca ctcaaaggcg gtaatacggt tatccacaga atcaggggat aacgcaggaa
     3781 agaacatgtg agcaaaaggc cagcaaaagg ccaggaaccg taaaaaggcc gcgttgctgg
     3841 cgtttttcca taggctccgc ccccctgacg agcatcacaa aaatcgacgc tcaagtcaga
     3901 ggtggcgaaa cccgacagga ctataaagat accaggcgtt tccccctgga agctccctcg
     3961 tgcgctctcc tgttccgacc ctgccgctta ccggatacct gtccgccttt ctcccttcgg
     4021 gaagcgtggc gctttctcat agctcacgct gtaggtatct cagttcggtg taggtcgttc
     4081 gctccaagct gggctgtgtg cacgaacccc ccgttcagcc cgaccgctgc gccttatccg
     4141 gtaactatcg tcttgagtcc aacccggtaa gacacgactt atcgccactg gcagcagcca
     4201 ctggtaacag gattagcaga gcgaggtatg taggcggtgc tacagagttc ttgaagtggt
     4261 ggcctaacta cggctacact agaaggacag tatttggtat ctgcgctctg ctgaagccag
     4321 ttaccttcgg aaaaagagtt ggtagctctt gatccggcaa acaaaccacc gctggtagcg
     4381 gtggtttttt tgtttgcaag cagcagatta cgcgcagaaa aaaaggatct caagaagatc
     4441 ctttgatctt ttctacgggg tctgacgctc agtggaacga aaactcacgt taagggattt
     4501 tggtcatgaa caataaaact gtctgcttac ataaacagta atacaagggg tgttatgagc
     4561 catattcaac gggaaacgtc ttgctctagg ccgcgattaa attccaacat ggatgctgat
     4621 ttatatgggt ataaatgggc tcgcgataat gtcgggcaat caggtgcgac aatctatcga
     4681 ttgtatggga agcccgatgc gccagagttg tttctgaaac atggcaaagg tagcgttgcc
     4741 aatgatgtta cagatgagat ggtcagacta aactggctga cggaatttat gcctcttccg
     4801 accatcaagc attttatccg tactcctgat gatgcatggt tactcaccac tgcgatcccc
     4861 gggaaaacag cattccaggt attagaagaa tatcctgatt caggtgaaaa tattgttgat
     4921 gcgctggcag tgttcctgcg ccggttgcat tcgattcctg tttgtaattg tccttttaac
     4981 agcgatcgcg tatttcgtct cgctcaggcg caatcacgaa tgaataacgg tttggttgat
     5041 gcgagtgatt ttgatgacga gcgtaatggc tggcctgttg aacaagtctg gaaagaaatg
     5101 cataaacttt tgccattctc accggattca gtcgtcactc atggtgattt ctcacttgat
     5161 aaccttattt ttgacgaggg gaaattaata ggttgtattg atgttggacg agtcggaatc
     5221 gcagaccgat accaggatct tgccatccta tggaactgcc tcggtgagtt ttctccttca
     5281 ttacagaaac ggctttttca aaaatatggt attgataatc ctgatatgaa taaattgcag
     5341 tttcatttga tgctcgatga gtttttctaa gaattaattc atgagcggat acatatttga
     5401 atgtatttag aaaaataaac aaataggggt tccgcgcaca tttccccgaa aagtgccacc
     5461 tgaaattgta aacgttaata ttttgttaaa attcgcgtta aatttttgtt aaatcagctc
     5521 attttttaac caataggccg aaatcggcaa aatcccttat aaatcaaaag aatagaccga
     5581 gatagggttg agtgttgttc cagtttggaa caagagtcca ctattaaaga acgtggactc
     5641 caacgtcaaa gggcgaaaaa ccgtctatca gggcgatggc ccactacgtg aaccatcacc
     5701 ctaatcaagt tttttggggt cgaggtgccg taaagcacta aatcggaacc ctaaagggag
     5761 cccccgattt agagcttgac ggggaaagcc ggcgaacgtg gcgagaaagg aagggaagaa
     5821 agcgaaagga gcgggcgcta gggcgctggc aagtgtagcg gtcacgctgc gcgtaaccac
     5881 cacacccgcc gcgcttaatg cgccgctaca gggcgcgtcc cattcgcca
//
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