| 出品公司: | ZYbscience |
|---|---|
| 载体名称: | pTYB12 |
| 质粒类型: | 大肠杆菌表达载体 |
| 高拷贝/低拷贝: | -- |
| 启动子: | T7 |
| 克隆方法: | 多克隆位点,限制性内切酶 |
| 载体大小: | 7415 bp |
| 5' 测序引物及序列: | T7: TAATACGACTCACTATAGGG |
| 3' 测序引物及序列: | -- |
| 载体标签: | -- |
| 载体抗性: | Ampicillin |
| 筛选标记: | -- |
| 备注: | -- |
| 产品目录号: | ZY6902S |
| 稳定性: | -- |
| 组成型: | -- |
| 病毒/非病毒: | 非病毒 |
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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
-20℃低温保存
- 保质期:
三年
- 英文名:
pTYB12
- 库存:
20
- 供应商:
泽叶生物
载体基本信息
载体质粒图谱和多克隆位点信息
载体简介
pTYB11 is an E. coli plasmid cloning vector designed for recombinant protein expression and purification using the IMPACT? Kit (NEB #E6901) (1). It contains the pMB1 origin of replication from pBR322 and is maintained at a similar copy number to pBR322; in addition, pTYB11 also contains an M13 origin of replication.
The multiple cloning site (MCS) is positioned to allow translational fusion of the Sce VMA intein tag to the N-terminus of the cloned target protein (1). The chitin binding domain (CBD) from B. circulans, embedded in the intein, facilitates purification of the intein-target protein precursor.
Transcription of the gene fusion is controlled by the inducible T7 promoter, requiring E. coli strains containing integrated copies of the T7 RNA polymerase gene [e.g., C2566, C2833 or BL21(DE3)] for expression. Basal expression from the T7 promoter is minimized by the binding of the Lac repressor, encoded by the lacI gene, to the lac operator immediately downstream of the T7 promoter (2). Translation of the fusion utilizes the translation initiation signal (Shine Dalgarno sequence) from the strongly expressed T7 gene 10 protein (φ10).
pTYB12 is identical to pTYB11 except for the MCS regions
Enzymes with unique restriction sites are shown in bold type. Location of sites of all NEB restriction enzymes can be found on the NEB web site (choose Technical Reference > DNA Sequences and Maps). Restriction site coordinates refer to the position of the 5′-most base on the top strand in each recognition sequence.
Open reading frame (ORF) coordinates are in the form "translational start – translational stop”; numbers refer to positions on the top (clockwise) strand, regardless of the direction of transcription and include the start and stop codons. Component genes or regions of fusion ORFs are indented below the ORF itself.
pMB1 origin of replication coordinates include the region from the -35 promoter sequence of the RNAII transcript to the RNA/DNA switch point. For the M13 origin, the arrow shows the direction of synthesis of the (+) strand, which gets packaged into phage particles. bla (ApR) gene coordinates include the signal sequence.
载体序列
LOCUS pTYB12 7415 bp DNA SYN
DEFINITION pTYB12
ACCESSION
KEYWORDS
SOURCE
ORGANISM other sequences; artificial sequences; vectors.
FEATURES Location/Qualifiers
source 1..7415
/organism="pTYB12"
/mol_type="other DNA"
terminator 1..28
/label="rrnB_T2_terminator"
promoter 70..98
/label="AmpR_promoter"
gene 140..1000
/label="Ampicillin"
/gene="Ampicillin"
CDS 140..1000
/label="ORF frame 2"
/translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGY
IELDLNSGKILESFRPEERSPMMSTFKVLLCGAVLSRVDAGQEQLGRRIHYSQNDLVE
YSPVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRL
DRWEPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPL
LRSALPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIA
EIGASLIKHW*"
rep_origin complement(1232..1538)
/label="f1_origin"
/translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGY
IELDLNSGKILESFRPEERSPMMSTFKVLLCGAVLSRVDAGQEQLGRRIHYSQNDLVE
YSPVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRL
DRWEPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPL
LRSALPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIA
EIGASLIKHW*"
rep_origin 1650..2269
/label="pBR322_origin"
/translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGY
IELDLNSGKILESFRPEERSPMMSTFKVLLCGAVLSRVDAGQEQLGRRIHYSQNDLVE
YSPVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRL
DRWEPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPL
LRSALPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIA
EIGASLIKHW*"
misc_feature 2607..2629
/label="pGEX_3_primer"
/translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGY
IELDLNSGKILESFRPEERSPMMSTFKVLLCGAVLSRVDAGQEQLGRRIHYSQNDLVE
YSPVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRL
DRWEPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPL
LRSALPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIA
EIGASLIKHW*"
misc_feature complement(2623..2814)
/label="ROP"
/translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGY
IELDLNSGKILESFRPEERSPMMSTFKVLLCGAVLSRVDAGQEQLGRRIHYSQNDLVE
YSPVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRL
DRWEPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPL
LRSALPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIA
EIGASLIKHW*"
CDS 2953..3588
/label="ORF frame 1"
/translation="MDAAGPEKNHSGSMPAERQQDVAQRVGRHAGDNGLLLAETFGGG
TSDEGLSEGVQDSEYRKRQADHRRAPAKAVLAENDPERCRHLSYELHDKEDSHKCGDD
SHAPRPPEGADWVEGSQGHRSRSRCLMSELTYINCVALTARFPVGKPVVPAALMNRPT
RGERRFAYWAPGWFFFSPVRRATADCPSPPGPERVAASGPRWFAPAGENPV*"
gene complement(3010..3309)
/label="tet (611 - 312)"
/gene="tet (611 - 312)"
/translation="MDAAGPEKNHSGSMPAERQQDVAQRVGRHAGDNGLLLAETFGGG
TSDEGLSEGVQDSEYRKRQADHRRAPAKAVLAENDPERCRHLSYELHDKEDSHKCGDD
SHAPRPPEGADWVEGSQGHRSRSRCLMSELTYINCVALTARFPVGKPVVPAALMNRPT
RGERRFAYWAPGWFFFSPVRRATADCPSPPGPERVAASGPRWFAPAGENPV*"
misc_feature complement(3371..4462)
/label="lacI"
/translation="MDAAGPEKNHSGSMPAERQQDVAQRVGRHAGDNGLLLAETFGGG
TSDEGLSEGVQDSEYRKRQADHRRAPAKAVLAENDPERCRHLSYELHDKEDSHKCGDD
SHAPRPPEGADWVEGSQGHRSRSRCLMSELTYINCVALTARFPVGKPVVPAALMNRPT
RGERRFAYWAPGWFFFSPVRRATADCPSPPGPERVAASGPRWFAPAGENPV*"
CDS complement(3371..4330)
/label="ORF frame 2"
/translation="MAELNYIPNRVAQQLAGKQSLLIGVATSSLALHAPSQIVAAIKS
RADQLGASVVVSMVERSGVEACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAACTNV
PALFLDVSDQTPINSIIFSHEDGTRLGVEHLVALGHQQIALLAGPLSSVSARLRLAGW
HKYLTRNQIQPIAEREGDWSAMSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITE
SGLRVGADISVVGYDDTEDSSCYIPPLTTIKQDFRLLGQTSVDRLLQLSQGQAVKGNQ
LLPVSLVKRKTTLAPNTQTASPRALADSLMQLARQVSRLESGQ*"
CDS complement(4203..4703)
/label="ORF frame 1"
/translation="MSACFGVGMVAGPVAGGLLGAISLHAPFLAAAVLNGLNLLLGCF
LMQESHKGERRDPGHHRMAQNLSRYGMIAPGRESIQGGECETSNVIRCRRVCRCLLSD
RFPRGEPGQPRFCENAGKSGSGDGGAELHSQPRGTTTGGQTVVADWRCHLQSGPARAV
ANCRGD*"
gene complement(4554..4805)
/label="tet (887 - 636)"
/gene="tet (887 - 636)"
/translation="MSACFGVGMVAGPVAGGLLGAISLHAPFLAAAVLNGLNLLLGCF
LMQESHKGERRDPGHHRMAQNLSRYGMIAPGRESIQGGECETSNVIRCRRVCRCLLSD
RFPRGEPGQPRFCENAGKSGSGDGGAELHSQPRGTTTGGQTVVADWRCHLQSGPARAV
ANCRGD*"
misc_feature 4737..4756
/label="pBRrevBam_primer"
/translation="MSACFGVGMVAGPVAGGLLGAISLHAPFLAAAVLNGLNLLLGCF
LMQESHKGERRDPGHHRMAQNLSRYGMIAPGRESIQGGECETSNVIRCRRVCRCLLSD
RFPRGEPGQPRFCENAGKSGSGDGGAELHSQPRGTTTGGQTVVADWRCHLQSGPARAV
ANCRGD*"
promoter 4840..4858
/label="T7_promoter"
/translation="MSACFGVGMVAGPVAGGLLGAISLHAPFLAAAVLNGLNLLLGCF
LMQESHKGERRDPGHHRMAQNLSRYGMIAPGRESIQGGECETSNVIRCRRVCRCLLSD
RFPRGEPGQPRFCENAGKSGSGDGGAELHSQPRGTTTGGQTVVADWRCHLQSGPARAV
ANCRGD*"
misc_feature 4858..4885
/label="lacO"
/translation="MSACFGVGMVAGPVAGGLLGAISLHAPFLAAAVLNGLNLLLGCF
LMQESHKGERRDPGHHRMAQNLSRYGMIAPGRESIQGGECETSNVIRCRRVCRCLLSD
RFPRGEPGQPRFCENAGKSGSGDGGAELHSQPRGTTTGGQTVVADWRCHLQSGPARAV
ANCRGD*"
misc_feature 4903..4919
/label="T7_transl_en_RBS"
/translation="MSACFGVGMVAGPVAGGLLGAISLHAPFLAAAVLNGLNLLLGCF
LMQESHKGERRDPGHHRMAQNLSRYGMIAPGRESIQGGECETSNVIRCRRVCRCLLSD
RFPRGEPGQPRFCENAGKSGSGDGGAELHSQPRGTTTGGQTVVADWRCHLQSGPARAV
ANCRGD*"
CDS 4928..6562
/label="ORF frame 2"
/translation="MKIEEGKLVIGSLEGCFAKGTNVLMADGSIECIENIEVGNKVMG
KDGRPREVIKLPRGRETMYSVVQKSQHRAHKSDSSREVPELLKFTCNATHELVVRTPR
SVRRLSRTIKGVEYFEVITFEMGQKKAPDGRIVELVKEVSKSYPISEGPERANELVES
YRKASNKAYFEWTIEARDLSLLGSHVRKATYQTYAPILYENDHFFDYMQKSKFHLTIE
GPKVLAYLLGLWIGDGLSDRATFSVDSRDTSLMERVTEYAEKLNLCAEYKDRKEPQVA
KTVNLYSKVVRGASTNPGVSAWQVNTAYTAGQLVTYNGKTYKCLQPHTSLAGWEPSNV
PALWQLQGGHGGIRNNLNTENPLWDAIVGLGFLKDGVKNIPSFLSTDNIGTRETFLAG
LIDSDGYVTDEHGIKATIKTIHTSVRDGLVSLARSLGLVVSVNAEPAKVDMNVTKHKI
SYAIYMSGGDVLLNVLSKCAGSKKFRPAPAAAFARECRGFYFELQELKEDDYYGITLS
DDSDHQFLLGSQVVVQNAGHMTSSRVDGGREFLEPG*"
terminator 6582..6710
/label="T7_terminator"
/translation="MKIEEGKLVIGSLEGCFAKGTNVLMADGSIECIENIEVGNKVMG
KDGRPREVIKLPRGRETMYSVVQKSQHRAHKSDSSREVPELLKFTCNATHELVVRTPR
SVRRLSRTIKGVEYFEVITFEMGQKKAPDGRIVELVKEVSKSYPISEGPERANELVES
YRKASNKAYFEWTIEARDLSLLGSHVRKATYQTYAPILYENDHFFDYMQKSKFHLTIE
GPKVLAYLLGLWIGDGLSDRATFSVDSRDTSLMERVTEYAEKLNLCAEYKDRKEPQVA
KTVNLYSKVVRGASTNPGVSAWQVNTAYTAGQLVTYNGKTYKCLQPHTSLAGWEPSNV
PALWQLQGGHGGIRNNLNTENPLWDAIVGLGFLKDGVKNIPSFLSTDNIGTRETFLAG
LIDSDGYVTDEHGIKATIKTIHTSVRDGLVSLARSLGLVVSVNAEPAKVDMNVTKHKI
SYAIYMSGGDVLLNVLSKCAGSKKFRPAPAAAFARECRGFYFELQELKEDDYYGITLS
DDSDHQFLLGSQVVVQNAGHMTSSRVDGGREFLEPG*"
misc_feature complement(6624..6642)
/label="T7_Terminal_primer"
/translation="MKIEEGKLVIGSLEGCFAKGTNVLMADGSIECIENIEVGNKVMG
KDGRPREVIKLPRGRETMYSVVQKSQHRAHKSDSSREVPELLKFTCNATHELVVRTPR
SVRRLSRTIKGVEYFEVITFEMGQKKAPDGRIVELVKEVSKSYPISEGPERANELVES
YRKASNKAYFEWTIEARDLSLLGSHVRKATYQTYAPILYENDHFFDYMQKSKFHLTIE
GPKVLAYLLGLWIGDGLSDRATFSVDSRDTSLMERVTEYAEKLNLCAEYKDRKEPQVA
KTVNLYSKVVRGASTNPGVSAWQVNTAYTAGQLVTYNGKTYKCLQPHTSLAGWEPSNV
PALWQLQGGHGGIRNNLNTENPLWDAIVGLGFLKDGVKNIPSFLSTDNIGTRETFLAG
LIDSDGYVTDEHGIKATIKTIHTSVRDGLVSLARSLGLVVSVNAEPAKVDMNVTKHKI
SYAIYMSGGDVLLNVLSKCAGSKKFRPAPAAAFARECRGFYFELQELKEDDYYGITLS
DDSDHQFLLGSQVVVQNAGHMTSSRVDGGREFLEPG*"
promoter complement(6873..6889)
/label="M13_forward20_primer"
/translation="MKIEEGKLVIGSLEGCFAKGTNVLMADGSIECIENIEVGNKVMG
KDGRPREVIKLPRGRETMYSVVQKSQHRAHKSDSSREVPELLKFTCNATHELVVRTPR
SVRRLSRTIKGVEYFEVITFEMGQKKAPDGRIVELVKEVSKSYPISEGPERANELVES
YRKASNKAYFEWTIEARDLSLLGSHVRKATYQTYAPILYENDHFFDYMQKSKFHLTIE
GPKVLAYLLGLWIGDGLSDRATFSVDSRDTSLMERVTEYAEKLNLCAEYKDRKEPQVA
KTVNLYSKVVRGASTNPGVSAWQVNTAYTAGQLVTYNGKTYKCLQPHTSLAGWEPSNV
PALWQLQGGHGGIRNNLNTENPLWDAIVGLGFLKDGVKNIPSFLSTDNIGTRETFLAG
LIDSDGYVTDEHGIKATIKTIHTSVRDGLVSLARSLGLVVSVNAEPAKVDMNVTKHKI
SYAIYMSGGDVLLNVLSKCAGSKKFRPAPAAAFARECRGFYFELQELKEDDYYGITLS
DDSDHQFLLGSQVVVQNAGHMTSSRVDGGREFLEPG*"
misc_feature 6882..7025
/label="lacZ_a"
/translation="MKIEEGKLVIGSLEGCFAKGTNVLMADGSIECIENIEVGNKVMG
KDGRPREVIKLPRGRETMYSVVQKSQHRAHKSDSSREVPELLKFTCNATHELVVRTPR
SVRRLSRTIKGVEYFEVITFEMGQKKAPDGRIVELVKEVSKSYPISEGPERANELVES
YRKASNKAYFEWTIEARDLSLLGSHVRKATYQTYAPILYENDHFFDYMQKSKFHLTIE
GPKVLAYLLGLWIGDGLSDRATFSVDSRDTSLMERVTEYAEKLNLCAEYKDRKEPQVA
KTVNLYSKVVRGASTNPGVSAWQVNTAYTAGQLVTYNGKTYKCLQPHTSLAGWEPSNV
PALWQLQGGHGGIRNNLNTENPLWDAIVGLGFLKDGVKNIPSFLSTDNIGTRETFLAG
LIDSDGYVTDEHGIKATIKTIHTSVRDGLVSLARSLGLVVSVNAEPAKVDMNVTKHKI
SYAIYMSGGDVLLNVLSKCAGSKKFRPAPAAAFARECRGFYFELQELKEDDYYGITLS
DDSDHQFLLGSQVVVQNAGHMTSSRVDGGREFLEPG*"
misc_feature complement(6882..6904)
/label="M13_pUC_fwd_primer"
/translation="MKIEEGKLVIGSLEGCFAKGTNVLMADGSIECIENIEVGNKVMG
KDGRPREVIKLPRGRETMYSVVQKSQHRAHKSDSSREVPELLKFTCNATHELVVRTPR
SVRRLSRTIKGVEYFEVITFEMGQKKAPDGRIVELVKEVSKSYPISEGPERANELVES
YRKASNKAYFEWTIEARDLSLLGSHVRKATYQTYAPILYENDHFFDYMQKSKFHLTIE
GPKVLAYLLGLWIGDGLSDRATFSVDSRDTSLMERVTEYAEKLNLCAEYKDRKEPQVA
KTVNLYSKVVRGASTNPGVSAWQVNTAYTAGQLVTYNGKTYKCLQPHTSLAGWEPSNV
PALWQLQGGHGGIRNNLNTENPLWDAIVGLGFLKDGVKNIPSFLSTDNIGTRETFLAG
LIDSDGYVTDEHGIKATIKTIHTSVRDGLVSLARSLGLVVSVNAEPAKVDMNVTKHKI
SYAIYMSGGDVLLNVLSKCAGSKKFRPAPAAAFARECRGFYFELQELKEDDYYGITLS
DDSDHQFLLGSQVVVQNAGHMTSSRVDGGREFLEPG*"
misc_feature complement(7068..7085)
/label="pTrcHis_rev_primer"
/translation="MKIEEGKLVIGSLEGCFAKGTNVLMADGSIECIENIEVGNKVMG
KDGRPREVIKLPRGRETMYSVVQKSQHRAHKSDSSREVPELLKFTCNATHELVVRTPR
SVRRLSRTIKGVEYFEVITFEMGQKKAPDGRIVELVKEVSKSYPISEGPERANELVES
YRKASNKAYFEWTIEARDLSLLGSHVRKATYQTYAPILYENDHFFDYMQKSKFHLTIE
GPKVLAYLLGLWIGDGLSDRATFSVDSRDTSLMERVTEYAEKLNLCAEYKDRKEPQVA
KTVNLYSKVVRGASTNPGVSAWQVNTAYTAGQLVTYNGKTYKCLQPHTSLAGWEPSNV
PALWQLQGGHGGIRNNLNTENPLWDAIVGLGFLKDGVKNIPSFLSTDNIGTRETFLAG
LIDSDGYVTDEHGIKATIKTIHTSVRDGLVSLARSLGLVVSVNAEPAKVDMNVTKHKI
SYAIYMSGGDVLLNVLSKCAGSKKFRPAPAAAFARECRGFYFELQELKEDDYYGITLS
DDSDHQFLLGSQVVVQNAGHMTSSRVDGGREFLEPG*"
misc_feature complement(7068..7085)
/label="pBAD_rev_primer"
/translation="MKIEEGKLVIGSLEGCFAKGTNVLMADGSIECIENIEVGNKVMG
KDGRPREVIKLPRGRETMYSVVQKSQHRAHKSDSSREVPELLKFTCNATHELVVRTPR
SVRRLSRTIKGVEYFEVITFEMGQKKAPDGRIVELVKEVSKSYPISEGPERANELVES
YRKASNKAYFEWTIEARDLSLLGSHVRKATYQTYAPILYENDHFFDYMQKSKFHLTIE
GPKVLAYLLGLWIGDGLSDRATFSVDSRDTSLMERVTEYAEKLNLCAEYKDRKEPQVA
KTVNLYSKVVRGASTNPGVSAWQVNTAYTAGQLVTYNGKTYKCLQPHTSLAGWEPSNV
PALWQLQGGHGGIRNNLNTENPLWDAIVGLGFLKDGVKNIPSFLSTDNIGTRETFLAG
LIDSDGYVTDEHGIKATIKTIHTSVRDGLVSLARSLGLVVSVNAEPAKVDMNVTKHKI
SYAIYMSGGDVLLNVLSKCAGSKKFRPAPAAAFARECRGFYFELQELKEDDYYGITLS
DDSDHQFLLGSQVVVQNAGHMTSSRVDGGREFLEPG*"
terminator 7118..7275
/label="rrnB_terminator"
/translation="MKIEEGKLVIGSLEGCFAKGTNVLMADGSIECIENIEVGNKVMG
KDGRPREVIKLPRGRETMYSVVQKSQHRAHKSDSSREVPELLKFTCNATHELVVRTPR
SVRRLSRTIKGVEYFEVITFEMGQKKAPDGRIVELVKEVSKSYPISEGPERANELVES
YRKASNKAYFEWTIEARDLSLLGSHVRKATYQTYAPILYENDHFFDYMQKSKFHLTIE
GPKVLAYLLGLWIGDGLSDRATFSVDSRDTSLMERVTEYAEKLNLCAEYKDRKEPQVA
KTVNLYSKVVRGASTNPGVSAWQVNTAYTAGQLVTYNGKTYKCLQPHTSLAGWEPSNV
PALWQLQGGHGGIRNNLNTENPLWDAIVGLGFLKDGVKNIPSFLSTDNIGTRETFLAG
LIDSDGYVTDEHGIKATIKTIHTSVRDGLVSLARSLGLVVSVNAEPAKVDMNVTKHKI
SYAIYMSGGDVLLNVLSKCAGSKKFRPAPAAAFARECRGFYFELQELKEDDYYGITLS
DDSDHQFLLGSQVVVQNAGHMTSSRVDGGREFLEPG*"
terminator 7241..7284
/label="rrnB_T1_terminator"
/translation="MKIEEGKLVIGSLEGCFAKGTNVLMADGSIECIENIEVGNKVMG
KDGRPREVIKLPRGRETMYSVVQKSQHRAHKSDSSREVPELLKFTCNATHELVVRTPR
SVRRLSRTIKGVEYFEVITFEMGQKKAPDGRIVELVKEVSKSYPISEGPERANELVES
YRKASNKAYFEWTIEARDLSLLGSHVRKATYQTYAPILYENDHFFDYMQKSKFHLTIE
GPKVLAYLLGLWIGDGLSDRATFSVDSRDTSLMERVTEYAEKLNLCAEYKDRKEPQVA
KTVNLYSKVVRGASTNPGVSAWQVNTAYTAGQLVTYNGKTYKCLQPHTSLAGWEPSNV
PALWQLQGGHGGIRNNLNTENPLWDAIVGLGFLKDGVKNIPSFLSTDNIGTRETFLAG
LIDSDGYVTDEHGIKATIKTIHTSVRDGLVSLARSLGLVVSVNAEPAKVDMNVTKHKI
SYAIYMSGGDVLLNVLSKCAGSKKFRPAPAAAFARECRGFYFELQELKEDDYYGITLS
DDSDHQFLLGSQVVVQNAGHMTSSRVDGGREFLEPG*"
ORIGIN
1 AGAAGGCCAT CCTGACGGAT GGCCTTTTTG CGTTTCTACA AACTCTTTTT GTTTATTTTT
61 CTAAATACAT TCAAATATGT ATCCGCTCAT GAGACAATAA CCCTGATAAA TGCTTCAATA
121 ATATTGAAAA AGGAAGAGTA TGAGTATTCA ACATTTCCGT GTCGCCCTTA TTCCCTTTTT
181 TGCGGCATTT TGCCTTCCTG TTTTTGCTCA CCCAGAAACG CTGGTGAAAG TAAAAGATGC
241 TGAAGATCAG TTGGGTGCAC GAGTGGGTTA CATCGAACTG GATCTCAACA GCGGTAAGAT
301 CCTTGAGAGT TTTCGCCCCG AAGAACGTTC TCCAATGATG AGCACTTTTA AAGTTCTGCT
361 ATGTGGCGCG GTATTATCCC GTGTTGACGC CGGGCAAGAG CAACTCGGTC GCCGCATACA
421 CTATTCTCAG AATGACTTGG TTGAGTACTC ACCAGTCACA GAAAAGCATC TTACGGATGG
481 CATGACAGTA AGAGAATTAT GCAGTGCTGC CATAACCATG AGTGATAACA CTGCGGCCAA
541 CTTACTTCTG ACAACGATCG GAGGACCGAA GGAGCTAACC GCTTTTTTGC ACAACATGGG
601 GGATCATGTA ACTCGCCTTG ATCGTTGGGA ACCGGAGCTG AATGAAGCCA TACCAAACGA
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文献和实验-CN蛋白纯化 系统,可利用还原剂DTT使标签自动裂解,无需外加蛋白酶切割,可以在4度条件下进行,小分子的还原剂也很容易去除;IMPACT-CN蛋白纯化系统包含的表达载体(pTYB载体)有两种,内含肽分别与目的蛋白的C末端(pTYB1和 pTYB2)或N末端(pTYB11和pTYB12)融合.这种在融合蛋白构建方面的机动性极大优化了目的蛋白成功表达和纯化的能力.pTYB2和 pTYB12载体的多克隆位点区设计了相同或者可兼容的酶切位点,使得目的蛋白可选择任一种融合构建载体.而pTYB1及pTYB
(pTYB载体)有两种,内含肽分别与目的蛋白的C末端(pTYB1和pTYB2)或N末端(pTYB11和pTYB12)融合。这种在融合蛋白构建方面的机动性极大优化了目的蛋白成功表达和纯化的能力。pTYB2和pTYB12载体的多克隆位点区设计了相同或者可兼容的酶切位点,使得目的蛋白可选择任一种融合构建载体。而pTYB1及pTYB11载体可让目的基因与内含肽的裂解位点直接相连,在4℃利用 DTT 诱导内含肽的肽键裂解活性,使得最后纯化得到的天然蛋白不带有源自于载体的额外的蛋白残基,同时低温也最大程度地保
X-3 pGEX-6P-1 pGEX-6P-2 pGEX-6P-3 五.PTYBsystem PTYB1 PTYB2 PTYB11 PTYB12 六.真核表达载体 pCDNA3.1(-) pCDNA3.1( ) pPICZalphaA pGAPZαA
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