纽普生物

pET-21a(+)载体

载体基本信息
载体名称 pET-21a(+) 载体抗性 Ampicillin
载体长度 5443 bp 载体类型 pET & Duet Vectors (Novagen)
载体来源 Novagen (EMD Millipore) 拷贝数 High copy number

pET-21a(+)载体质粒图谱

pET-21a(+)载体质粒图谱

pET-21a(+)载体载体序列

LOCUS       Exported                5443 bp ds-DNA    circular SYN 02-12-2013
DEFINITION  Bacterial vector for inducible expression of N-terminally T7-tagged 
            proteins. For other reading frames, use pET-21b(+) or pET-21c(+).
ACCESSION   .
VERSION     .
KEYWORDS    pET-21a(+)
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 5443)
  AUTHORS   Novagen (EMD Millipore)
  TITLE     Direct Submission
  JOURNAL   Exported 2017/2/28 from SnapGene 2.3.2
            http://www.snapgene.com
COMMENT     
FEATURES             Location/Qualifiers
     source          1..5443
                     /organism="synthetic DNA construct"
                     /lab_host="Escherichia coli"
                     /mol_type="other DNA"
     terminator      26..73
                     /note="T7 terminator"
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
     CDS             complement(140..157)
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /note="6xHis"
                     /translation="HHHHHH"
     misc_feature    158..203
                     /note="MCS"
                     /note="multiple cloning site"
     CDS             complement(207..239)
                     /codon_start=1
                     /product="epitope tag from a T7 major capsid protein"
                     /note="T7 tag"
                     /translation="MASMTGGQQMG"
     RBS             248..253
                     /note="ribosome binding site"
     protein_bind    284..308
                     /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(309..327)
                     /note="T7 promoter"
                     /note="promoter for bacteriophage T7 RNA polymerase"
     promoter        636..713
                     /gene="lacI"
                     /note="lacI promoter"
                     /note="
                     "
     CDS             714..1796
                     /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             2605..2796
                     /codon_start=1
                     /gene="rop"
                     /product="Rop protein"
                     /note="rop"
                     /translation="MTKQEKTALNMARFIRSQTLTLLEKLNELDADEQADICESLHDHA
                     DELYRSCLARFGDDGENL"
     rep_origin      complement(3226..3814)
                     /direction=LEFT
                     /note="ori"
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     CDS             complement(3985..4845)
                     /codon_start=1
                     /gene="bla"
                     /product="beta-lactamase"
                     /note="AmpR"
                     /note="confers resistance to ampicillin, carbenicillin, and
                     related antibiotics"
                     /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
                     ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYS
                     PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
                     EPELNEAIPNDERDTTMPAAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
                     LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
                     LIKHW"
     promoter        complement(4846..4950)
                     /gene="bla"
                     /note="AmpR promoter"
     rep_origin      complement(4977..5432)
                     /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 tgttagcagc cggatctcag tggtggtggt ggtggtgctc gagtgcggcc gcaagcttgt
      181 cgacggagct cgaattcgga tccgcgaccc atttgctgtc caccagtcat gctagccata
      241 tgtatatctc cttcttaaag ttaaacaaaa ttatttctag aggggaattg ttatccgctc
      301 acaattcccc tatagtgagt cgtattaatt tcgcgggatc gagatctcga tcctctacgc
      361 cggacgcatc gtggccggca tcaccggcgc cacaggtgcg gttgctggcg cctatatcgc
      421 cgacatcacc gatggggaag atcgggctcg ccacttcggg ctcatgagcg cttgtttcgg
      481 cgtgggtatg gtggcaggcc ccgtggccgg gggactgttg ggcgccatct ccttgcatgc
      541 accattcctt gcggcggcgg tgctcaacgg cctcaaccta ctactgggct gcttcctaat
      601 gcaggagtcg cataagggag agcgtcgaga tcccggacac catcgaatgg cgcaaaacct
      661 ttcgcggtat ggcatgatag cgcccggaag agagtcaatt cagggtggtg aatgtgaaac
      721 cagtaacgtt atacgatgtc gcagagtatg ccggtgtctc ttatcagacc gtttcccgcg
      781 tggtgaacca ggccagccac gtttctgcga aaacgcggga aaaagtggaa gcggcgatgg
      841 cggagctgaa ttacattccc aaccgcgtgg cacaacaact ggcgggcaaa cagtcgttgc
      901 tgattggcgt tgccacctcc agtctggccc tgcacgcgcc gtcgcaaatt gtcgcggcga
      961 ttaaatctcg cgccgatcaa ctgggtgcca gcgtggtggt gtcgatggta gaacgaagcg
     1021 gcgtcgaagc ctgtaaagcg gcggtgcaca atcttctcgc gcaacgcgtc agtgggctga
     1081 tcattaacta tccgctggat gaccaggatg ccattgctgt ggaagctgcc tgcactaatg
     1141 ttccggcgtt atttcttgat gtctctgacc agacacccat caacagtatt attttctccc
     1201 atgaagacgg tacgcgactg ggcgtggagc atctggtcgc attgggtcac cagcaaatcg
     1261 cgctgttagc gggcccatta agttctgtct cggcgcgtct gcgtctggct ggctggcata
     1321 aatatctcac tcgcaatcaa attcagccga tagcggaacg ggaaggcgac tggagtgcca
     1381 tgtccggttt tcaacaaacc atgcaaatgc tgaatgaggg catcgttccc actgcgatgc
     1441 tggttgccaa cgatcagatg gcgctgggcg caatgcgcgc cattaccgag tccgggctgc
     1501 gcgttggtgc ggatatctcg gtagtgggat acgacgatac cgaagacagc tcatgttata
     1561 tcccgccgtt aaccaccatc aaacaggatt ttcgcctgct ggggcaaacc agcgtggacc
     1621 gcttgctgca actctctcag ggccaggcgg tgaagggcaa tcagctgttg cccgtctcac
     1681 tggtgaaaag aaaaaccacc ctggcgccca atacgcaaac cgcctctccc cgcgcgttgg
     1741 ccgattcatt aatgcagctg gcacgacagg tttcccgact ggaaagcggg cagtgagcgc
     1801 aacgcaatta atgtaagtta gctcactcat taggcaccgg gatctcgacc gatgcccttg
     1861 agagccttca acccagtcag ctccttccgg tgggcgcggg gcatgactat cgtcgccgca
     1921 cttatgactg tcttctttat catgcaactc gtaggacagg tgccggcagc gctctgggtc
     1981 attttcggcg aggaccgctt tcgctggagc gcgacgatga tcggcctgtc gcttgcggta
     2041 ttcggaatct tgcacgccct cgctcaagcc ttcgtcactg gtcccgccac caaacgtttc
     2101 ggcgagaagc aggccattat cgccggcatg gcggccccac gggtgcgcat gatcgtgctc
     2161 ctgtcgttga ggacccggct aggctggcgg ggttgcctta ctggttagca gaatgaatca
     2221 ccgatacgcg agcgaacgtg aagcgactgc tgctgcaaaa cgtctgcgac ctgagcaaca
     2281 acatgaatgg tcttcggttt ccgtgtttcg taaagtctgg aaacgcggaa gtcagcgccc
     2341 tgcaccatta tgttccggat ctgcatcgca ggatgctgct ggctaccctg tggaacacct
     2401 acatctgtat taacgaagcg ctggcattga ccctgagtga tttttctctg gtcccgccgc
     2461 atccataccg ccagttgttt accctcacaa cgttccagta accgggcatg ttcatcatca
     2521 gtaacccgta tcgtgagcat cctctctcgt ttcatcggta tcattacccc catgaacaga
     2581 aatccccctt acacggaggc atcagtgacc aaacaggaaa aaaccgccct taacatggcc
     2641 cgctttatca gaagccagac attaacgctt ctggagaaac tcaacgagct ggacgcggat
     2701 gaacaggcag acatctgtga atcgcttcac gaccacgctg atgagcttta ccgcagctgc
     2761 ctcgcgcgtt tcggtgatga cggtgaaaac ctctgacaca tgcagctccc ggagacggtc
     2821 acagcttgtc tgtaagcgga tgccgggagc agacaagccc gtcagggcgc gtcagcgggt
     2881 gttggcgggt gtcggggcgc agccatgacc cagtcacgta gcgatagcgg agtgtatact
     2941 ggcttaacta tgcggcatca gagcagattg tactgagagt gcaccatata tgcggtgtga
     3001 aataccgcac agatgcgtaa ggagaaaata ccgcatcagg cgctcttccg cttcctcgct
     3061 cactgactcg ctgcgctcgg tcgttcggct gcggcgagcg gtatcagctc actcaaaggc
     3121 ggtaatacgg ttatccacag aatcagggga taacgcagga aagaacatgt gagcaaaagg
     3181 ccagcaaaag gccaggaacc gtaaaaaggc cgcgttgctg gcgtttttcc ataggctccg
     3241 cccccctgac gagcatcaca aaaatcgacg ctcaagtcag aggtggcgaa acccgacagg
     3301 actataaaga taccaggcgt ttccccctgg aagctccctc gtgcgctctc ctgttccgac
     3361 cctgccgctt accggatacc tgtccgcctt tctcccttcg ggaagcgtgg cgctttctca
     3421 tagctcacgc tgtaggtatc tcagttcggt gtaggtcgtt cgctccaagc tgggctgtgt
     3481 gcacgaaccc cccgttcagc ccgaccgctg cgccttatcc ggtaactatc gtcttgagtc
     3541 caacccggta agacacgact tatcgccact ggcagcagcc actggtaaca ggattagcag
     3601 agcgaggtat gtaggcggtg ctacagagtt cttgaagtgg tggcctaact acggctacac
     3661 tagaaggaca gtatttggta tctgcgctct gctgaagcca gttaccttcg gaaaaagagt
     3721 tggtagctct tgatccggca aacaaaccac cgctggtagc ggtggttttt ttgtttgcaa
     3781 gcagcagatt acgcgcagaa aaaaaggatc tcaagaagat cctttgatct tttctacggg
     3841 gtctgacgct cagtggaacg aaaactcacg ttaagggatt ttggtcatga gattatcaaa
     3901 aaggatcttc acctagatcc ttttaaatta aaaatgaagt tttaaatcaa tctaaagtat
     3961 atatgagtaa acttggtctg acagttacca atgcttaatc agtgaggcac ctatctcagc
     4021 gatctgtcta tttcgttcat ccatagttgc ctgactcccc gtcgtgtaga taactacgat
     4081 acgggagggc ttaccatctg gccccagtgc tgcaatgata ccgcgagacc cacgctcacc
     4141 ggctccagat ttatcagcaa taaaccagcc agccggaagg gccgagcgca gaagtggtcc
     4201 tgcaacttta tccgcctcca tccagtctat taattgttgc cgggaagcta gagtaagtag
     4261 ttcgccagtt aatagtttgc gcaacgttgt tgccattgct gcaggcatcg tggtgtcacg
     4321 ctcgtcgttt ggtatggctt cattcagctc cggttcccaa cgatcaaggc gagttacatg
     4381 atcccccatg ttgtgcaaaa aagcggttag ctccttcggt cctccgatcg ttgtcagaag
     4441 taagttggcc gcagtgttat cactcatggt tatggcagca ctgcataatt ctcttactgt
     4501 catgccatcc gtaagatgct tttctgtgac tggtgagtac tcaaccaagt cattctgaga
     4561 atagtgtatg cggcgaccga gttgctcttg cccggcgtca atacgggata ataccgcgcc
     4621 acatagcaga actttaaaag tgctcatcat tggaaaacgt tcttcggggc gaaaactctc
     4681 aaggatctta ccgctgttga gatccagttc gatgtaaccc actcgtgcac ccaactgatc
     4741 ttcagcatct tttactttca ccagcgtttc tgggtgagca aaaacaggaa ggcaaaatgc
     4801 cgcaaaaaag ggaataaggg cgacacggaa atgttgaata ctcatactct tcctttttca
     4861 atattattga agcatttatc agggttattg tctcatgagc ggatacatat ttgaatgtat
     4921 ttagaaaaat aaacaaatag gggttccgcg cacatttccc cgaaaagtgc cacctgaaat
     4981 tgtaaacgtt aatattttgt taaaattcgc gttaaatttt tgttaaatca gctcattttt
     5041 taaccaatag gccgaaatcg gcaaaatccc ttataaatca aaagaataga ccgagatagg
     5101 gttgagtgtt gttccagttt ggaacaagag tccactatta aagaacgtgg actccaacgt
     5161 caaagggcga aaaaccgtct atcagggcga tggcccacta cgtgaaccat caccctaatc
     5221 aagttttttg gggtcgaggt gccgtaaagc actaaatcgg aaccctaaag ggagcccccg
     5281 atttagagct tgacggggaa agccggcgaa cgtggcgaga aaggaaggga agaaagcgaa
     5341 aggagcgggc gctagggcgc tggcaagtgt agcggtcacg ctgcgcgtaa ccaccacacc
     5401 cgccgcgctt aatgcgccgc tacagggcgc gtcccattcg cca
//

pET-21a(+)载体载体特征

一级属性 二级属性 属性值 起始位置
常规长度5443
常规描述Bacterial vector for inducible expression of N-terminally T7-tagged proteins. For other reading frames, use pET-21b(+) or pET-21c(+).
常规是否环形1
常规作者Novagen (EMD Millipore)
常规注释
来源实验宿主Escherichia coli1..5443
来源分子类型other DNA1..5443
来源种属synthetic DNA construct1..5443
终止子备注T7 terminator,transcription terminator for bacteriophage T7 RNA polymerase26..73
编码区翻译起始位点1140..157
编码区备注6xHis140..157
编码区产物6xHis affinity tag140..157
编码区翻译序列HHHHHH140..157
其它特征区备注MCS,multiple cloning site158..203
编码区翻译起始位点1207..239
编码区备注T7 tag207..239
编码区产物epitope tag from a T7 major capsid protein207..239
编码区翻译序列MASMTGGQQMG207..239
核糖体结合位点备注ribosome binding site248..253
蛋白结合位点嵌合范围lac repressor encoded by lacI284..308
蛋白结合位点备注lac operator,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).284..308
启动子备注T7 promoter,promoter for bacteriophage T7 RNA polymerase309..327
启动子基因lacI636..713
启动子备注lacI promoter, 636..713
编码区翻译起始位点1714..1796
编码区基因lacI714..1796
编码区备注lacI,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).714..1796
编码区产物lac repressor714..1796
编码区翻译序列MKPVTLYDVAEYAGVSYQTVSRVVNQASHVSAKTREKVEAAMAELNYIPNRVAQQLAGKQSLLIGVATSSLALHAPSQIVAAIKSRADQLGASVVVSMVERSGVEACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAACTNVPALFLDVSDQTPINSIIFSHEDGTRLGVEHLVALGHQQIALLAGPLSSVSARLRLAGWHKYLTRNQIQPIAEREGDWSAMSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITESGLRVGADISVVGYDDTEDSSCYIPPLTTIKQDFRLLGQTSVDRLLQLSQGQAVKGNQLLPVSLVKRKTTLAPNTQTASPRALADSLMQLARQVSRLESGQ714..1796
编码区翻译起始位点12605..2796
编码区基因rop2605..2796
编码区备注rop2605..2796
编码区产物Rop protein2605..2796
编码区翻译序列MTKQEKTALNMARFIRSQTLTLLEKLNELDADEQADICESLHDHADELYRSCLARFGDDGENL2605..2796
复制起点方向LEFT3226..3814
复制起点备注ori,high-copy-number ColE1/pMB1/pBR322/pUC origin of replication3226..3814
编码区翻译起始位点13985..4845
编码区基因bla3985..4845
编码区备注AmpR,confers resistance to ampicillin, carbenicillin, and related antibiotics3985..4845
编码区产物beta-lactamase3985..4845
编码区翻译序列MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYIELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYSPVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRWEPELNEAIPNDERDTTMPAAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSALPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGASLIKHW3985..4845
启动子基因bla4846..4950
启动子备注AmpR promoter4846..4950
复制起点方向LEFT4977..5432
复制起点备注f1 ori,f1 bacteriophage origin of replication; arrow indicates direction of (+) strand synthesis4977..5432

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