pLV3-CMV-TFAP2A(human)-EGFP-EF1a-Puro9510 bp400800120016002000240028003200360040004400480052005600600064006800720076008000840088009200CMV promoterTFAP2A(NM_001372066)3xFLAGEGFPEF-1α core promoter5' LTR (truncated)PuroRWPRE3' LTR (ΔU3)SV40 poly(A) signalSV40 oriM13 revlac operatorlac promoterCAP binding siteoriAmpRAmpR promoterM13 fwdRSV promoter5' LTR (truncated)HIV-1 ΨRREgp41 peptidecPPT/CTS

基本信息

载体名称
pLV3-CMV-TFAP2A(human)-EGFP-EF1a-Puro
载体抗性
Ampicillin
Refseq ID
NM_001372066.1
载体长度
9510 bp
载体类型
Protein expression
复制子
ori
宿主
Mammalian cells, Lentivirus
筛选标记
Puro;EGFP
启动子
CMV
载体标签
EGFP
感受态
Stbl3
培养温度
37℃
表达方法
Constiutive, Stable / Transient
描述
Homo sapiens transcription factor AP-2 alpha (TFAP2A), transcript variant 1, mRNA

质粒操作方法

质粒复溶方法

  1. 发货形式:质粒干粉,常温运输,收到后请于 -20 ℃ 保存,先转化提质粒再使用。
  2. 收到干粉后先 5000 rpm 离心 1 min,加入 20 μl ddH₂O 溶解。质粒复测浓度与标称值可能有差距,这通常来自干粉在管中的位置、复溶效率、测量偏差与管壁吸附,建议先转化提质粒后再使用。
  3. 取 1 支 100 μl 感受态细胞冰上解冻 10 min,加入 2 μl 质粒,冰浴 30 min,42 ℃ 热激 60 s(不要摇动),再冰浴 2 min。
  4. 加入 900 μl 无抗生素 LB 液体培养基,180 rpm、37 ℃ 振荡培养 45 min(30 ℃ 培养 1–1.5 h)。
  5. 6000 rpm 离心 5 min,保留约 100 μl 上清重悬菌体,涂布到对应抗性的 LB 平板。
  6. 平板倒置 37 ℃ 培养 14 h(30 ℃ 则 20 h)。菌落过多可稀释质粒后再转化;无菌落可增加至 10 μl 质粒。建议先转克隆感受态、重提质粒后再导入表达感受态。
  7. 挑取单菌落接种 LB 液体培养基,加入对应抗生素,220 rpm 振荡培养 14 h,按试剂盒说明提取质粒。

通用质粒转化方法

  1. 取100 μL感受态细胞置于冰上解冻10 min,加入2 μL质粒,冰浴30 min;随后42 ℃热激60 s,期间不要晃动,再冰浴2 min。
  2. 加入900 μL无抗LB液体培养基,37 ℃、180 rpm振荡培养45 min(30 ℃条件下则培养1–1.5 h)。
  3. 6000 rpm离心5 min,弃上清,仅保留100 μL上清重悬菌体沉淀,涂布于对应质粒抗性的LB平板上。
  4. 平板倒置培养,37 ℃培养14 h,或30 ℃培养20 h。
  5. 挑取单菌落至LB液体培养基中,加入对应抗生素,220 rpm振荡培养14 h;根据实验需求及质粒提取试剂盒说明书提取质粒。

人TFAP2A ORF 克隆 (NM_001372066) (编号: V032169) 注释

LOCUS       V032169                 9510 bp    DNA     circular SYN 01-JAN-1980
DEFINITION  synthetic circular DNA.
ACCESSION   V032169
VERSION     V032169
KEYWORDS    .
SOURCE      .
  ORGANISM  .
            .
FEATURES             Location/Qualifiers
     promoter        1..204
                     /note="human cytomegalovirus (CMV) immediate early
                     promoter"
                     /label="CMV promoter"
     CDS             293..1609
                     /label="TFAP2A(NM_001372066)"
                     /note="TFAP2A(NM_001372066)"
                     /gene="TFAP2A"
     CDS             1616..1681
                     /codon_start=1
                     /product="three tandem FLAG® epitope tags, followed by an
                     enterokinase cleavage site"
                     /transl_table=1
                     /translation="DYKDHDGDYKDHDIDYKDDDDK"
                     /label="3xFLAG"
     CDS             1691..2410
                     /codon_start=1
                     /note="mammalian codon-optimized"
                     /product="the original enhanced GFP (Yang et al., 1996)"
                     /transl_table=1
                     /translation="M,V,SKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKL
                     TLKFICTTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKQHDFFKSAMPEGYVQERTIFFK
                     DDGNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNG
                     IKVNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMV
                     LLEFVTAAGITLGMDELYK*"
                     /label="EGFP"
     promoter        2452..2663
                     /note="core promoter for human elongation factor
                     EF-1α"
                     /label="EF-1α core promoter"
     LTR             2676..2944
                     /note="truncated 5' long terminal repeat (LTR) from human
                     T-cell leukemia virus (HTLV) type 1"
                     /label="5' LTR (truncated)"
     CDS             2971..3570
                     /codon_start=1
                     /gene="pac from Streptomyces alboniger"
                     /note="confers resistance to puromycin"
                     /product="puromycin N-acetyltransferase"
                     /transl_table=1
                     /translation="MTEYKPTVRLATRDDVPRAVRTLAAAFADYPATRHTVDPDRHIER
                     VTELQELFLTRVGLDIGKVWVADDGAAVAVWTTPESVEAGAVFAEIGPRMAELSGSRLA
                     AQQQMEGLLAPHRPKEPAWFLATVGVSPDHQGKGLGSAVVLPGVEAAERAGVPAFLETS
                     APRNLPFYERLGFTVTADVEVPEGPRTWCMTRKPGA*"
                     /label="PuroR"
     misc_feature    3577..4165
                     /note="woodchuck hepatitis virus posttranscriptional
                     regulatory element"
                     /label="WPRE"
     LTR             4239..4472
                     /note="self-inactivating 3' long terminal repeat (LTR)
                     from HIV-1"
                     /label="3' LTR (ΔU3)"
     polyA_signal    4544..4665
                     /note="SV40 polyadenylation signal"
                     /label="SV40 poly(A) signal"
     rep_origin      4705..4840
                     /note="SV40 origin of replication"
                     /label="SV40 ori"
     primer_bind     complement(4873..4889)
                     /note="common sequencing primer, one of multiple similar
                     variants"
                     /label="M13 rev"
     protein_bind    4897..4913
                     /bound_moiety="lac repressor encoded by 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-β-D-thiogalactopyranoside (IPTG)."
                     /label="lac operator"
     promoter        complement(4921..4951)
                     /note="promoter for the E. coli lac operon"
                     /label="lac promoter"
     protein_bind    4966..4987
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding activates transcription in the presence
                     of cAMP."
                     /label="CAP binding site"
     rep_origin      complement(5275..5863)
                     /direction=LEFT
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of
                     replication"
                     /label="ori"
     CDS             complement(6034..6894)
                     /codon_start=1
                     /gene="bla"
                     /note="confers resistance to ampicillin, carbenicillin, and
                     related antibiotics"
                     /product="β-lactamase"
                     /transl_table=1
                     /translation="MSIQHFRVALIPFFAAFCLPVFA,HPETLVKVKDAEDQLGARVGY
                     IELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEY
                     SPVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDR
                     WEPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRS
                     ALPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGA
                     SLIKHW*"
                     /label="AmpR"
     promoter        complement(6895..6999)
                     /gene="bla"
                     /label="AmpR promoter"
     primer_bind     7473..7489
                     /note="common sequencing primer, one of multiple similar
                     variants"
                     /label="M13 fwd"
     promoter        7504..7730
                     /note="Rous sarcoma virus enhancer/promoter"
                     /label="RSV promoter"
     LTR             7731..7911
                     /note="truncated 5' long terminal repeat (LTR) from HIV-1"
                     /label="5' LTR (truncated)"
     misc_feature    7958..8083
                     /note="packaging signal of human immunodeficiency virus
                     type 1"
                     /label="HIV-1 Ψ"
     misc_feature    8576..8809
                     /note="The Rev response element (RRE) of HIV-1 allows for
                     Rev-dependent mRNA export from the nucleus to the
                     cytoplasm."
                     /label="RRE"
     CDS             8994..9038
                     /codon_start=1
                     /note="recognized by the 2H10 single-chain llama nanobody"
                     /product="antigenic peptide corresponding to amino acids
                     655 to 669 of the HIV envelope protein gp41 (Lutje Hulsik
                     et al., 2013)"
                     /transl_table=1
                     /translation="KNEQELLELDKWASL"
                     /label="gp41 peptide"
     misc_feature    9305..9421
                     /note="central polypurine tract and central termination
                     sequence of HIV-1"
                     /label="cPPT/CTS"