pCDNA3.1 (+) Plasmid


  • Model: PVT1004
  • 50 Units in Stock
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pCDNA3.1(+),Plasmid pCDNA3.1(+),pCDNA3.1(+) vector



pCDNA3.1(+) Information

Promoter: CMV promoter

Replicator: SV40 ori, pUC ori, F1 ori

Terminator: BGH poly (A) signal

Plasmid classification: lactation serial plasmid; lactation expression plasmid; pCDNA series plasmid.

Plasmid size: 5428bp

Prokaryotic resistance: ampicillin Amp (100 g/ml)

Screening marker: neomycin Neo/G418

Cloning strains: E. coli DH5 and E.

Culture conditions: 37 C, aerobic, LB

Expression host: mammalian cells such as 293T

Culture conditions: 37 C, 5%CO2

Induction mode: no need to induce

5'sequencing primers: pCDNA3.1-F (CTAGAGAACCCACTGCTTAC)

3'sequencing primers: pCDNA3.1-R (TAGAAGGCACAGTCGAGG)


pCDNA3.1(+) Description

PCDNA3.1 (+) is a 5.4 KB vector from pCDNA3, designed for high-level stable and transient expression in mammalian hosts. Most mammalian cells can perform high levels of stable and non replicating transient expression. Human cytomegalovirus immediate early (CMV) promoter is used for high level expression in a wide range of mammalian cells. Multiple cloning sites in the forward (+) and reverse (-) directions were used to facilitate the cloning of neomycin resistant genes for the selection of stable cell lines. Abnormal replication in cell lines with latent infection of SV40 or expression of SV40 large T antigen (e.g. COS-1, COS-7).


pcDNA3.1(+) and pcDNA3.1(-) are 5.4 kb vectors derived from pcDNA3 and designed for high-level stable and transient expression in mammalian hosts. High-level stable and non-replicative transient expression can be carried out in most mammalian cells. The vectors contain the following elements:
       • Human cytomegalovirus immediate-early (CMV) promoter for high-level expression in a wide range of mammalian cells
       • Multiple cloning sites in the forward (+) and reverse (-) orientations to facilitate cloning

       • Neomycin resistance gene for selection of stable cell lines
       • Episomal replication in cells lines that are latently infected with SV40 or that express the SV40 large T antigen (e.g. COS-1, COS-7). The control plasmid, pcDNA3.1/CAT, is included for use as a positive control for transfection and expression in the cell line of choice.
       This pcDNA3.1(+)vector is designed for high-level, constitutive expression in a variety of mammalian cell lines. It contains a Geneticin® selectable marker and a forward-orientation multiple cloning site.


pCDNA3.1(+) Multiple cloning site




pCDNA3.1(+) Sequence

LOCUS       Exported                5428 bp ds-DNA     circular SYN 18-Sept-2016
DEFINITION  synthetic circular DNA
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 5428)
  TITLE     Direct Submission
  JOURNAL   Exported 2016-9-18
FEATURES             Location/Qualifiers
     source          1..5428
                     /organism="synthetic DNA construct"
                     /mol_type="other DNA"
     enhancer        202..581
                     /note="CMV enhancer"
                     /note="human cytomegalovirus immediate early enhancer"
     promoter        582..785
                     /note="CMV promoter"
                     /note="human cytomegalovirus (CMV) immediate early
     promoter        830..848
                     /note="T7 promoter"
                     /note="promoter for bacteriophage T7 RNA polymerase"
     polyA_signal    995..1219
                     /note="bGH poly(A) signal"
                     /note="bovine growth hormone polyadenylation signal"
     rep_origin      1265..1693
                     /note="f1 ori"
                     /note="f1 bacteriophage origin of replication; arrow
                     indicates direction of (+) strand synthesis"
     promoter        1707..2036
                     /note="SV40 promoter"
                     /note="SV40 enhancer and early promoter"
     rep_origin      1887..2022
                     /note="SV40 ori"
                     /note="SV40 origin of replication"
     CDS             2103..2897
                     /gene="aph(3')-II (or nptII)"
                     /product="aminoglycoside phosphotransferase from Tn5"
                     /note="confers resistance to neomycin, kanamycin, and G418
     polyA_signal    3071..3192
                     /note="SV40 poly(A) signal"
                     /note="SV40 polyadenylation signal"
     primer_bind     complement(3241..3257)
                     /note="M13 rev"
                     /note="common sequencing primer, one of multiple similar
     protein_bind    3265..3281
                     /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(3289..3319)
                     /note="lac promoter"
                     /note="promoter for the E. coli lac operon"
     protein_bind    3334..3355
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding site"
                     /note="CAP binding activates transcription in the presence
                     of cAMP."
     rep_origin      complement(3643..4228)
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of
     CDS             complement(4399..5259)
                     /note="confers resistance to ampicillin, carbenicillin, and
                     related antibiotics"
     promoter        complement(5260..5364)
                     /note="AmpR promoter"
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