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N myc tagged pmxs puro retroviral vector

Manufactured by Cell Biolabs

The N-MYC-tagged pMXs-Puro Retroviral Vector is a plasmid-based vector used for the expression of proteins in mammalian cell lines. The vector contains the N-MYC tag sequence, allowing for the detection and purification of the expressed proteins. Additionally, the vector includes a puromycin resistance gene, enabling the selection of successfully transduced cells.

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3 protocols using n myc tagged pmxs puro retroviral vector

1

Generation and Characterization of RAF1 Fusion Constructs

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SRGAP3-RAF1 and QKI-RAF1 constructs were synthesized as Gateway compatible entry clones. Full-length RAF1, QKI and SRGAP3 were purchased as gateway entry clones from PlasmID/Dana-Farber/Harvard Cancer Center DNA Resource Core. Sub-cloning was done to integrate SRGAP3-RAF1, QKI-RAF1, full-length QKI, RAF1 and SRGAP3 into Gateway-compatible N-MYC-tagged pMXs-Puro Retroviral Vector (Cell Biolabs). NIH3T3 and early-passage PMAs were transduced using infection protocol previously described18 (link). Gateway destination vectors with either an N-terminal MYC or FLAG tag (Invitrogen) were generated for all constructs. Anti-MYC antibody (Invitrogen R951-25, 1:5000) and anti-FLAG antibody (Sigma A8592, 1:10,000) were used to detect tagged-proteins along with anti-CRAF antibody (Cell Signaling #9422).
QKI-RAF1 dimerization mutants were generated by PCR-based site-directed mutagenesis of MYC- and FLAG-tagged constructs. RAFR401H dimerization mutants35 (link), 36 (link) in QKI-RAF1 were generated using primers: Forward CGCAAAACACACCATGTGAACA and Reverse CAGAACAGCCACCTCATTCCT. QKIE48G dimerization mutants31 (link) in QKI-RAF1 were generated using primers: Forward CTGGACGAAGGAATTAGCAGAG and Reverse CAGCCGCTCGAGGTGGTT.
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2

Retroviral Expression of MYB-QKI Fusion Constructs

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MYB-QKI5 and MYB-QKI6 constructs were synthesized as Gateway compatible entry clones. MYBtr constructs were generated via PCR mutagenesis using MYB-QKI fusions as templates. Full-length MYB and QKI constructs were purchased as gateway entry clones from PlasmID/DF/HCC DNA Resource Core. MYB-QKI5 and MYB-QKI6, MYBtr, full-length MYB and QKI constructs were sub-cloned into a Gateway-compatible N-MYC-tagged pMXs-Puro Retroviral Vector (Cell Biolabs). Platinum-E retroviral packaging cells (Cell BioLabs) were used to generate retrovirus as per manufacturer protocols. NIH3T3 cells were infected with retrovirus containing media for 6 hours and puromycin selection commenced 48 hours post infection. Stable expression of MYC-tagged proteins was confirmed via western blot analysis (anti-MYC HRP 1:5000 (Invitrogen), anti-MYB antibody 1:5000 (Abcam) and anti-QKI 1:1000 (Bethyl Lab).
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3

Retroviral Expression of MYB-QKI Fusion Constructs

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MYB-QKI5 and MYB-QKI6 constructs were synthesized as Gateway compatible entry clones. MYBtr constructs were generated via PCR mutagenesis using MYB-QKI fusions as templates. Full-length MYB and QKI constructs were purchased as gateway entry clones from PlasmID/DF/HCC DNA Resource Core. MYB-QKI5 and MYB-QKI6, MYBtr, full-length MYB and QKI constructs were sub-cloned into a Gateway-compatible N-MYC-tagged pMXs-Puro Retroviral Vector (Cell Biolabs). Platinum-E retroviral packaging cells (Cell BioLabs) were used to generate retrovirus as per manufacturer protocols. NIH3T3 cells were infected with retrovirus containing media for 6 hours and puromycin selection commenced 48 hours post infection. Stable expression of MYC-tagged proteins was confirmed via western blot analysis (anti-MYC HRP 1:5000 (Invitrogen), anti-MYB antibody 1:5000 (Abcam) and anti-QKI 1:1000 (Bethyl Lab).
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