pBad/His A

价格:1000元

联系方式:I47-825O-882O

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pBadHis A载体基本信息

出品公司: Invitrogen
载体名称: pBAD/His A
质粒类型: 大肠杆菌表达载体;诱导表达载体
高拷贝/低拷贝: 低拷贝
克隆方法: 限制性内切酶;多克隆位点
启动子: araBAD
载体大小: 4102 bp
5' 测序引物及序列: pBAD Forward: 5′-ATGCCATAGCATTTTTATCC-3′
3' 测序引物及序列: pBAD Reverse 5′-GATTTAATCTGTATCAGG-3′
载体标签: 6x His Tag(N-端),Xpress Epitope Tag(N-端), EK 切割位点
载体抗性: 氨苄青霉素(Ampicillin)
克隆菌株: TOP10
表达菌株: 推荐LMG194
备注: pBAD/His A载体是阿拉伯糖调控载体;
在无葡萄糖的培养基中,阿拉伯糖正向调控目的基因 的表达;
通过调节阿拉伯糖的浓度水平来优化目的蛋白的可溶性表达;
pBAD/His A,B,C之间仅阅读框不同。
产品目录号: V430-01
稳定性: 稳表达
组成型/诱导型: 诱导型(阿拉伯糖)
病毒/非病毒: 非病毒

pBadHis A载体图谱质粒图谱和多克隆位点信息

pBAD-His 载体图谱



pBAD-His A 多克隆位点

pBAD-His 载体特征1
pBAD-His 载体特征2

pBadHis A载体简介

pBAD/His和PBAD/Myc-His载体质粒是衍生于pBR322载体。载体设计用来在大肠杆菌中进行可调节,剂量依赖性的表达和纯化重组目的蛋白。使用大肠杆菌araBAD启动子(pBAD)增强了大肠杆菌重组蛋白可溶性表达的水平。pBAD/His和pBAD/Myc His载体上的调节蛋白AraC能够调控pBad启动子。

pBAD/His A,B,C 载体介绍
The pBAD/His Kit provides all of the necessary reagents to express your protein in a tightly regulated fashion. 

The vector pBAD/His allows you to express your protein with an N-terminal tag. The vector provides:

 The araBAD promoter for tightly regulated expression
 Translation initiation signals optimized for E. coliexpression
 N-terminal polyhistidine (6xHis) tag for purification with nickel-chelating resin and detection with an Anti-

HisG Antibody
 N-terminal Xpress epitope for detection and analysis with an Anti-Xpress Antibody
 Enterokinase cleavage site for removing the N-terminal tag following purification

Three vectors are provided (A, B, and C). Each has the N-terminal tag in a different reading frame relative to the multiple cloning site to simplify in-frame cloning of your gene.

The pBAD/His and pBAD/Myc-His plasmids are pBR322-derived expression vectors designed for regulated, dose-dependent recombinant protein expression and purification in E. coli. Optimum levels of soluble, recombinant protein are possible using the araBAD promoter (PBAD) from E. coli. The regulatory protein, AraC, is provided on the pBAD/His and pBAD/Myc-His vectors allowing regulation of PBAD.

L-阿拉伯糖调控表达
In the presence of L-arabinose, expression from PBAD is turned on while the absence of L-arabinose produces very low levels of transcription from PBAD (Lee, 1980; Lee et al., 1987). Uninduced levels are repressed even further by growth in the presence of glucose. Glucose reduces the levels of 3′,5′-cyclic AMP, thus lowering expression of the catabolite-repressed PBAD promoter (Miyada et al., 1984). By varying the concentration of L-arabinose, protein expression levels can be optimized to ensure maximum expression of soluble protein. In addition, the tight regulation of PBAD by AraC is useful for expression of potentially toxic or essential genes (Carson et al., 1991; Dalbey and Wickner, 1985; Guzman et al., 1992; Kuhn and Wickner, 1985; Russell et al., 1989; San Millan et al., 1989). For more information on the mechanism of expression and repression of the ara regulon, refer to Schleif, 1992.
pBAD-His A,B,C 使用流程



pBadHis A载体序列

LOCUS       pBAD/His A    4102 bp     DNA    circular    SYN
DEFINITION  pBAD/His A
ACCESSION   
KEYWORDS    
SOURCE      
  ORGANISM  other sequences; artificial sequences; vectors.
COMMENT     This file is created by Vector NTI
            http://www.biofeng.com/
COMMENT     VNTAUTHORNAME|biofeng.com|
FEATURES             Location/Qualifiers
     source          1..4102
                     /organism="pBAD/His A"
                     /mol_type="other DNA"
     misc_feature    4..19
                     /label="araO2"
     misc_feature    161..172
                     /label="araO1"
     misc_feature    203..216
                     /label="CAP_BS"
     misc_feature    208..227
                     /label="pBAD_fwd_primer"
     misc_feature    213..251
                     /label="AraI1I2"
     promoter        248..276
                     /label="ARA_promoter"
     misc_feature    351..369
                     /label="Xpress_fwd_primer"
     misc_feature    352..384
                     /label="T7_leader"
     misc_feature    388..411
                     /label="Xpress_EK"
     misc_feature    complement(503..520)
                     /label="pBAD_rev_primer"
     misc_feature    complement(503..520)
                     /label="pTrcHis_rev_primer"
     terminator      553..710
                     /label="rrnB_terminator"
     terminator      676..719
                     /label="rrnB_T1_terminator"
     terminator      851..878
                     /label="rrnB_T2_terminator"
     promoter        919..947
                     /label="AmpR_promoter"
     gene            989..1849
                     /label="Ampicillin"
                     /gene="Ampicillin"
     CDS             989..1849
                     /label="ORF frame 2"
                     
     rep_origin      2004..2623
                     /label="pBR322_origin"
                     
     misc_feature    3020..3042
                     /label="pGEX_3_primer"
                     
     misc_feature    complement(3198..4076)
                     /label="AraC"
                     
     CDS             complement(3198..25)
                     /label="ORF frame 1"
                     
     CDS             complement(3198..4085)
                     /label="ORF frame 3"
                     
ORIGIN
    1 AAGAAACCAA TTGTCCATAT TGCATCAGAC ATTGCCGTCA CTGCGTCTTT TACTGGCTCT
   61 TCTCGCTAAC CAAACCGGTA ACCCCGCTTA TTAAAAGCAT TCTGTAACAA AGCGGGACCA
  121 AAGCCATGAC AAAAACGCGT AACAAAAGTG TCTATAATCA CGGCAGAAAA GTCCACATTG
  181 ATTATTTGCA CGGCGTCACA CTTTGCTATG CCATAGCATT TTTATCCATA AGATTAGCGG
  241 ATCCTACCTG ACGCTTTTTA TCGCAACTCT CTACTGTTTC TCCATACCCG TTTTTTGGGC
  301 TAACAGGAGG AATTAACCAT GGGGGGTTCT CATCATCATC ATCATCATGG TATGGCTAGC
  361 ATGACTGGTG GACAGCAAAT GGGTCGGGAT CTGTACGACG ATGACGATAA GGATCGATGG
  421 GGATCCGAGC TCGAGATCTG CAGCTGGTAC CATATGGGAA TTCGAAGCTT GGCTGTTTTG
  481 GCGGATGAGA GAAGATTTTC AGCCTGATAC AGATTAAATC AGAACGCAGA AGCGGTCTGA
  541 TAAAACAGAA TTTGCCTGGC GGCAGTAGCG CGGTGGTCCC ACCTGACCCC ATGCCGAACT
  601 CAGAAGTGAA ACGCCGTAGC GCCGATGGTA GTGTGGGGTC TCCCCATGCG AGAGTAGGGA
  661 ACTGCCAGGC ATCAAATAAA ACGAAAGGCT CAGTCGAAAG ACTGGGCCTT TCGTTTTATC
  721 TGTTGTTTGT CGGTGAACGC TCTCCTGAGT AGGACAAATC CGCCGGGAGC GGATTTGAAC
  781 GTTGCGAAGC AACGGCCCGG AGGGTGGCGG GCAGGACGCC CGCCATAAAC TGCCAGGCAT
  841 CAAATTAAGC AGAAGGCCAT CCTGACGGAT GGCCTTTTTG CGTTTCTACA AACTCTTTTG
  901 TTTATTTTTC TAAATACATT CAAATATGTA TCCGCTCATG AGACAATAAC CCTGATAAAT
  961 GCTTCAATAA TATTGAAAAA GGAAGAGTAT GAGTATTCAA CATTTCCGTG TCGCCCTTAT
 1021 TCCCTTTTTT GCGGCATTTT GCCTTCCTGT TTTTGCTCAC CCAGAAACGC TGGTGAAAGT
 1081 AAAAGATGCT GAAGATCAGT TGGGTGCACG AGTGGGTTAC ATCGAACTGG ATCTCAACAG
 1141 CGGTAAGATC CTTGAGAGTT TTCGCCCCGA AGAACGTTTT CCAATGATGA GCACTTTTAA
 1201 AGTTCTGCTA TGTGGCGCGG TATTATCCCG TGTTGACGCC GGGCAAGAGC AACTCGGTCG
 1261 CCGCATACAC TATTCTCAGA ATGACTTGGT TGAGTACTCA CCAGTCACAG AAAAGCATCT
 1321 TACGGATGGC ATGACAGTAA GAGAATTATG CAGTGCTGCC ATAACCATGA GTGATAACAC
 1381 TGCGGCCAAC TTACTTCTGA CAACGATCGG AGGACCGAAG GAGCTAACCG CTTTTTTGCA
 1441 CAACATGGGG GATCATGTAA CTCGCCTTGA TCGTTGGGAA CCGGAGCTGA ATGAAGCCAT
 1501 ACCAAACGAC GAGCGTGACA CCACGATGCC TGTAGCAATG GCAACAACGT TGCGCAAACT
 1561 ATTAACTGGC GAACTACTTA CTCTAGCTTC CCGGCAACAA TTAATAGACT GGATGGAGGC
 1621 GGATAAAGTT GCAGGACCAC TTCTGCGCTC GGCCCTTCCG GCTGGCTGGT TTATTGCTGA
 1681 TAAATCTGGA GCCGGTGAGC GTGGGTCTCG CGGTATCATT GCAGCACTGG GGCCAGATGG
 1741 TAAGCCCTCC CGTATCGTAG TTATCTACAC GACGGGGAGT CAGGCAACTA TGGATGAACG
 1801 AAATAGACAG ATCGCTGAGA TAGGTGCCTC ACTGATTAAG CATTGGTAAC TGTCAGACCA
 1861 AGTTTACTCA TATATACTTT AGATTGATTT AAAACTTCAT TTTTAATTTA AAAGGATCTA
 1921 GGTGAAGATC CTTTTTGATA ATCTCATGAC CAAAATCCCT TAACGTGAGT TTTCGTTCCA
 1981 CTGAGCGTCA GACCCCGTAG AAAAGATCAA AGGATCTTCT TGAGATCCTT TTTTTCTGCG
 2041 CGTAATCTGC TGCTTGCAAA CAAAAAAACC ACCGCTACCA GCGGTGGTTT GTTTGCCGGA
 2101 TCAAGAGCTA CCAACTCTTT TTCCGAAGGT AACTGGCTTC AGCAGAGCGC AGATACCAAA
 2161 TACTGTCCTT CTAGTGTAGC CGTAGTTAGG CCACCACTTC AAGAACTCTG TAGCACCGCC
 2221 TACATACCTC GCTCTGCTAA TCCTGTTACC AGTGGCTGCT GCCAGTGGCG ATAAGTCGTG
 2281 TCTTACCGGG TTGGACTCAA GACGATAGTT ACCGGATAAG GCGCAGCGGT CGGGCTGAAC
 2341 GGGGGGTTCG TGCACACAGC CCAGCTTGGA GCGAACGACC TACACCGAAC TGAGATACCT
 2401 ACAGCGTGAG CTATGAGAAA GCGCCACGCT TCCCGAAGGG AGAAAGGCGG ACAGGTATCC
 2461 GGTAAGCGGC AGGGTCGGAA CAGGAGAGCG CACGAGGGAG CTTCCAGGGG GAAACGCCTG
 2521 GTATCTTTAT AGTCCTGTCG GGTTTCGCCA CCTCTGACTT GAGCGTCGAT TTTTGTGATG
 2581 CTCGTCAGGG GGGCGGAGCC TATGGAAAAA CGCCAGCAAC GCGGCCTTTT TACGGTTCCT
 2641 GGCCTTTTGC TGGCCTTTTG CTCACATGTT CTTTCCTGCG TTATCCCCTG ATTCTGTGGA
 2701 TAACCGTATT ACCGCCTTTG AGTGAGCTGA TACCGCTCGC CGCAGCCGAA CGACCGAGCG
 2761 CAGCGAGTCA GTGAGCGAGG AAGCGGAAGA GCGCCTGATG CGGTATTTTC TCCTTACGCA
 2821 TCTGTGCGGT ATTTCACACC GCATATGGTG CACTCTCAGT ACAATCTGCT CTGATGCCGC
 2881 ATAGTTAAGC CAGTATACAC TCCGCTATCG CTACGTGACT GGGTCATGGC TGCGCCCCGA
 2941 CACCCGCCAA CACCCGCTGA CGCGCCCTGA CGGGCTTGTC TGCTCCCGGC ATCCGCTTAC
 3001 AGACAAGCTG TGACCGTCTC CGGGAGCTGC ATGTGTCAGA GGTTTTCACC GTCATCACCG
 3061 AAACGCGCGA GGCAGCAGAT CAATTCGCGC GCGAAGGCGA AGCGGCATGC ATAATGTGCC
 3121 TGTCAAATGG ACGAAGCAGG GATTCTGCAA ACCCTATGCT ACTCCGTCAA GCCGTCAATT
 3181 GTCTGATTCG TTACCAATTA TGACAACTTG ACGGCTACAT CATTCACTTT TTCTTCACAA
 3241 CCGGCACGGA ACTCGCTCGG GCTGGCCCCG GTGCATTTTT TAAATACCCG CGAGAAATAG
 3301 AGTTGATCGT CAAAACCAAC ATTGCGACCG ACGGTGGCGA TAGGCATCCG GGTGGTGCTC
 3361 AAAAGCAGCT TCGCCTGGCT GATACGTTGG TCCTCGCGCC AGCTTAAGAC GCTAATCCCT
 3421 AACTGCTGGC GGAAAAGATG TGACAGACGC GACGGCGACA AGCAAACATG CTGTGCGACG
 3481 CTGGCGATAT CAAAATTGCT GTCTGCCAGG TGATCGCTGA TGTACTGACA AGCCTCGCGT
 3541 ACCCGATTAT CCATCGGTGG ATGGAGCGAC TCGTTAATCG CTTCCATGCG CCGCAGTAAC
 3601 AATTGCTCAA GCAGATTTAT CGCCAGCAGC TCCGAATAGC GCCCTTCCCC TTGCCCGGCG
 3661 TTAATGATTT GCCCAAACAG GTCGCTGAAA TGCGGCTGGT GCGCTTCATC CGGGCGAAAG
 3721 AACCCCGTAT TGGCAAATAT TGACGGCCAG TTAAGCCATT CATGCCAGTA GGCGCGCGGA
 3781 CGAAAGTAAA CCCACTGGTG ATACCATTCG CGAGCCTCCG GATGACGACC GTAGTGATGA
 3841 ATCTCTCCTG GCGGGAACAG CAAAATATCA CCCGGTCGGC AAACAAATTC TCGTCCCTGA
 3901 TTTTTCACCA CCCCCTGACC GCGAATGGTG AGATTGAGAA TATAACCTTT CATTCCCAGC
 3961 GGTCGGTCGA TAAAAAAATC GAGATAACCG TTGGCCTCAA TCGGCGTTAA ACCCGCCACC
 4021 AGATGGGCAT TAAACGAGTA TCCCGGCAGC AGGGGATCAT TTTGCGCTTC AGCCATACTT
 4081 TTCATACTCC CGCCATTCAG AG
//

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