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MGST3 Lentiviral Vector (Human) (CMV)


MGST3 Lentiviral Vector (Human) (CMV) (pLenti-GIII-CMV-C-term-HA)

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Cat.No.: LV218853
Quantity: 1.0 µg DNA
Price: $215.00
Stock: 1-3 Weeks
Phone: 604-247-2416 (Local), 1-866-757-2414 (Toll free)
Fax: 604-247-2414
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Data Sheet
Print Version
Description The MGST3 expression will be driven by a CMV promoter, with an HA Tag at the C terminal. Inserts are flanked by and can be excised using NheI and XhoI as long as inserts do not contain any internal NheI or XhoI sites.
Procedure Overview
Product Application
  • Direct non-viral plasmid transfection for immediate expression
  • Package into Lentiviral particles for high efficiency transduction and stably integrated expression
  • Gene Insert MGST3
    Accession Number BC0059641,2,3,4,5
    Vector pLenti-GIII-CMV-C-term-HA
    Vector Size 8071bp
    Insert Size 459 bp
    Species Human
    Tags HA
    Promoter CMV
    Selection Marker Bacterial: Kanamycin. Mammalian: Puromycin
    Format Lentiviral Plasmid
    Viral Packaging abm recommends using Cat# G074, Lentifectin™ in conjunction with one of the following packaging mixes. The suggested packaging mix for this vector is Cat# LV003, 2nd Generation Packaging Mix. Alternatively, you can also use Cat# LV053, 3rd Generation Packaging Mix
    Appearance Clear Liquid
    Storage Buffer 10mM Tris-HCI, 1mM EDTA, pH8.0
    Stability 1 year when stored at -20°C or lower in a non-frost free freezer.
    Disclaimer 1. Disclaimer for transcript variants: The provided accession number refers to the transcript (mRNA) sequence for this product. The molecular sequence of this clone aligns with the gene accession number as a point of reference only. However, individual transcript sequences of the same gene can differ through naturally occurring variations (e.g. polymorphisms), each with its own valid existence. This clone is substantially in agreement with the reference, but a complete review of all prevailing variants is recommended prior to use. All sales are final.
    2. Disclaimer for gene sequence: The provided accession number refers to the transcript (mRNA) sequence for this product. Please verify that this is the desired transcript sequence by cross-referencing. This is important because a single gene can have multiple different transcripts owing to naturally occurring variations. All sales are final.
    3. Disclaimer for intended use: All of abm's vectors and viral particles are for research use ONLY and NOT for therapeutic/diagnostic applications. abm is not liable for any repercussions arising from the use of its vector(s) in therapeutic/diagnostic application(s).
    4. Disclaimer for extra nucleotides: Cloning may lead to the insertion of extra nucleotides at the 5' or 3' end of the gene of interest which, in most cases, is innocuous to the stability/functionality and the expression of that gene.
    5. Disclaimer for the stop codon: The stop codon for the inserted gene is located after the 3' cloning site in our GIII vectors. Our GIII vectors contain open ORF inserts (no stop codon) to allow for subsequent insertion into other vectors with C-terminal tags or C-terminal fusion proteins if desired. Please note that a stop codon will need to be added by PCR to the end of the gene insert if no tag or fusion protein is needed in subsequent vectors.
    Guarantee abm guarantees that the correct ORF construct is provided and the mRNA expression is displayed upon successful transduction. If this is not the case, we will provide a one-time replacement. Customers must provide adequate data to show >80% transfection efficiency with a positive control, plus additional qPCR data to evaluate the level of gene expression. The replacement will not be covered by the same guarantee.

    Please note that due to the large number of variables applicable, any further expression analysis (e.g. protein expression) is not covered by the guarantee, as such analysis is dependent on the end user's experimental conditions.
    Product Documents
    Product References
    Submit a new question:
    How should I store my lentivirus?
    Aliquots should be made for the lentivirus and stored at -70 degrees Celsius.
    How do I calculate the MOI?
    First multiply viral titer with infection sample volume. Then divide this value with the total infection volume (which is media plus the viral supernatant). Finally, multiply the value from the second step by the total cell number.
    Why is my lentiviral infection of lower efficiency than transduction?
    There are many factors including insert size, insert sequence (specific sequence), and bacteria strain used for viral vector production, that can affect lentivirus packaging titer. No on can predict for sure which inserts will work better. Transduction can have higher transduction efficiency and higher level of gene expression as over 100 copies of DNA can get into cells. But only about 1% transduced cells integrated into host cells. Lentivirus efficiency can often be lower than transfection and expression level are also lower than transfection expression due to only 1-10 copies of viral particles getting into cells. In addition, the efficiency is also cell line dependent. We have documented well that lentiviruses can easily transduce 293 and MDA-MB-468 cells. Please test those two cell lines to be sure whether it is a titer issue or perhaps that this particular cell line is difficult for lentivirus to transduce.
    What starting range of puromycin should I use for the antibiotic selection?
    The concentration must be optimized case-by-case and is cell type dependent. On average, typical selection amounts are around 0.1 to 0.5 ug per ml.
    What is the cell density that the customer should use for lentivirus infection?
    For the GIII third generation lentiviral vectors, are there recombination sites flanking the insert sequence?
    Yes, there is an extra ~125bp to either side of the CDS insert. Thus, if EcoRV is used, the band will be the insert size plus 250bp.
    Are they high copy or low copy plasmids? What is expected plasmid DNA yield?
    These are high copy plasmids and should be propagated with an authentic DH5a strain. We typically see a yield of 300-500ug DNA from a 250mL culture.
    I see that some of your vectors contain a tetO reg site. Does that mean that their expression can be inhibited by the tet repressor?
    The TetO reg site is present in our lentivectors to facilitate packaging of toxic genes into lentiviruses if required. If your transfected cells express the Tet repressor, the TetO reg site will be activated.

    If there is no Tet repressor, the promoter will function as normal. If you are using a cell line that is expressing Tet repressor, then you will require Dox to express the promoter.
    What is your HA tag sequence?
    Do you have viral particles for this product?
    We offer custom lentivirus packaging services for a range of viral titers. Please go to the following link for more details:
    What is the difference between the pLenti-III and the pLenti-GIII vectors?
    The difference is only in the availability of cloning sites for insertion of the gene.
    I also need an empty vectors as a control, how do I go about ordering this?
    Please see our listings of available blank control vectors:

    We can also produce custom control vectors upon request, please email with specific inquiries
    Do your pLenti vectors include a chimeric RSV promoter upstream of the 5' LTR?
    Yes, our pLenti vectors do include this RSV chimeric promoter sequence
    How are your DNA pLenti vectors supplied?
    DNA is supplied in 10mM Tris (unless otherwise requested) and intended for direct transformation in DH5alpha cells.
    Which packaging system should I use, 2nd or 3rd generation?
    All of abm's lentviral vectors are compatible with 2nd and 3rd generation packaging systems LV003 and LV053 available from abm. Please note, only packaging mixes produced by abm have been tested in house and therefore carry our guarantee for high titer virus production. If it is desirable to use other packaging plasmids obtained from a different source, the compatibility must be tested and determined by the end user.
    Can you please advice on a protocol for vector extraction from filter paper?
    1) Cut out the circle on the filter paper (this is where the DNA will be spotted), and then cut it into tiny pieces into a 1.5ml tube.
    2) Put 30-50ul of PCR-grade water, 10mM Tris, or TE buffer to elute the DNA from the filter paper. The liquid may be completely soaked up by the filter, this is OK. Cap the tube and leave at room temperature for 5 minutes.
    3) Centrifuge the tube at high speed for 1 minute to collect the liquid, or use a pipette and "compress" the filter paper at the bottom of the tube to squeeze out as much liquid as possible. Collect the liquid in a new tube, and then use DH5a competent cells to amplify the plasmid, use the suitable antibiotic to select for positive clones.
    Where is the polyA signal in your vectors?
    An SV40 poly A signal is located at the end of the 3'LTR. It is designed this way to ensure a high amount of transcriptional RNA is present so that a high viral titer is obtained. Having a polyA signal upstream of the 3'LTR can cause premature RNA transcription and reduce the amount of transductionally active RNA. Lentivirus is an RNA virus and having a polyA signal may affect viral packaging, thus it is removed from the expression cassette and placed at the end of the 3'LTR.

    We have received positive feedback from previous customers in regards to the high and stable expression levels of our lentivectors.
    What is the volume supplied?
    Normally the concentration of our vectors are at 0.1ug/ul so there should be around 10ul in terms of volume.
    Are design primers with a Kozak sequence required or is ATG enough?
    Yes, a Kozak sequence immediately upstream of the ATG is required to ensure proper protein translation. This is true for all mammalian expression vectors that we offer.
    Please note that blank vector/viruses do not express anything so the kozak sequence will be absent.
    Which lentiviral genes were removed from the viral vector to render it replication deficient?
    The gag, pol, rev, env, vif, vpr, tat, vpu, and nef elements involved in lentiviral replication are not present in our lentiviral systems.
    Does your lentiviral system contain the WPRE gene? If so, is this the wildtype WPRE sequence?
    The WPRE section is present in our lentiviral system and it is the standard wildtype version. You may align the wildtype sequence against our listed vector sequence.