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P52 cflag pcdna3

Manufactured by Addgene

The P52 cFlag pcDNA3 is a plasmid vector that can be used for the expression of proteins with a C-terminal FLAG epitope tag in mammalian cells. The vector contains the CMV promoter for high-level expression and the pcDNA3 backbone.

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4 protocols using p52 cflag pcdna3

1

NF-κB Signaling Pathway Plasmids

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PcDNA-Myc-DBC1 plasmid was purchased from Addgene. Truncation mutants were subcloned into pCMV-Myc (Clontech), and Myc-DBC1-SA mutant was generated by site directed mutagenesis using Advantage GC Rich PCR kit (Clontech) using standard protocol. RelA-cFlag pcDNA3, RelB-cFlag pcDNA3, C-Rel RHD-cFlag-pcDNA3, p50-cFlag-pcDNA3, p52-cFlag pcDNA3, pCR-Flag-IKKα, pCR-Flag-IKKβ plasmids were purchased from Addgene. Antibodies used for immunoblotting and co-immunoprecipitation were anti-p30/DBC1 (Bethyl laboratories), anti-RelB (C-19) (D-4), p100/p52 (C-5), Myc (A-14), (9E10), IKKα/β (H-470) (Santa Cruz), anti-Flag (F7425) (F1804) (Sigma), anti-Tubulin (DM1A) (Calbiochem) anti-phosphoserine (AB1603), phosphothreonine (AB1607) (Millipore).
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2

Generating NF-κB Signaling Plasmids and Antibodies

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pMIGR1-mP52 and pMIGR1-mGM-CSF were generated by inserting mouse p52 (encoding amino acids 1–405 of NF-κB2) and mouse Csf2 cDNAs, respectively, into the EcoRI and BglII sites of pMIGR1-GFP vector. pcDNA-based expression vectors encoding FLAG-tagged mouse p52 (p52-cFlag-pcDNA3), mouse c-Rel (c-Rel-cFlag-pcDNA3), and mouse RelB (RelB-cFlag-pcDNA3) were from Addgene. The Csf2 promoter luciferase plasmid (pGL3-mCsf2), covering the region −225 to +26 of mouse Csf2 promoter (15 (link)), was provided by Dr. Takeshi Matsumura (Kumamoto University).
Functional grade anti–mouse (m) CD3ɛ (145-2C11) and anti-mCD28 (37.51) antibodies and blocking antibodies for mIFN-γ (XMG1.2) and mIL-4 (11B11) were from eBioscience. Fluorescence-labeled antibodies for mCD4 (L3T4), mCD8 (53-6.7), mCD3 (145-2C11), CD44 (IM7), CD62L (MEL-14), IL-17A (eBio17B7), GM-CSF (MP1-22E9), and IFN-γ (XMG1.2) were purchased from eBioscience. Antibodies for mouse p50 (C-19), c-Rel (sc-70), RelB (C-19), NIK (H-248), Lamin B (C-20), and Hsp60 (H-1) were from Santa Cruz Biotechnology. An antibody recognizing both p100 and p52 (Anti-p52/p100) was provided by NCI Preclinical Repository.
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3

Plasmid Transfection in Primary Cells

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MyD88 flag plasmid was a gift from Ruslan Medzhitov (Addgene plasmid # 13093). RelB cFlag pcDNA3 (Addgene plasmid # 20017) and p52 cFlag pcDNA3 (Addgene plasmid # 20019) were gifts from Stephen Smale. pcDNA3-IKKα-HA WT was a gift from Warner Greene (Addgene plasmid # 23296). Plasmid DNA was electroporated into primary myoblasts (1500 V, 10 ms duration, 3 pulses) or into primary fibroblast (900 V, 40 ms duration, 1 pulse) using the Neon transfection system as previously described41 (link), 47 (link). This protocol consistently introduced plasmid DNA into ~80% cells.
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4

Plasmids for Transcription Factor Studies

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RelA cFlag pcDNA3 (Addgene plasmid # 20012)30 (link), RelB cFlag pcDNA3 (Addgene plasmid # 20017), p50 cFlag pcDNA3 (Addgene plasmid # 20018) and p52 cFlag pcDNA3 (Addgene plasmid # 20019) were a gift from Stephen Smale. Plasmids expressing both β-galactosidase for transfection control (LacZ pCMV) and luciferase (luc) for luminometry based expression (pLV-5X-NF-κB Luc, pGL3-3X-Ebox Luc, PPRE-3X-TK Luc, pGL2-5X-Gal4 Luc, pGL3basic-Cox2 Promo Luc) were described previously31 (link)–35 (link). HOPS encoding sequence was amplified and cloned in pCS2+MT and pSG5 as previously described1 (link). N-terminal myc-tagged plasmids myc-CLOCK-pSG5, Flag-myc-BMAL1 pCS2+MT, Flag-PPARγ1 were previously described34 (link)–36 (link). pMT123 (HA-(8X)ubiquitin) and pRK5-HA-Ubiquitin (Addgene plasmid # 17608) were gifts from Dirk Bohmann and Ted Dawson respectively. Flag-TRAF6-WT (Addgene plasmid #21624) was a gift from John Kyriakis37 (link).
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