LFQ_TurboID-STING_DMXAA_Tamavidin2-REV_RAW2647
Ontology highlight
ABSTRACT:
ORGANISM(S): Mus Musculus (mouse)
SUBMITTER: Hidetaka Kosako
PROVIDER: PXD017042 | JPOST Repository | Mon Apr 17 00:00:00 BST 2023
REPOSITORIES: jPOST
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| Table%20S1_Tamavidin2_REV.xlsx | Xlsx | |||
| TurboID_STING_Tama_DMSO_1.raw | Raw | |||
| TurboID_STING_Tama_DMSO_2.raw | Raw | |||
| TurboID_STING_Tama_DMSO_3.raw | Raw | |||
| TurboID_STING_Tama_DMXAA_1.raw | Raw |
Items per page: 5 1 - 5 of 7 |
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Project description:The STING-null RAW264.7 cells expressing TurboID-STING were treated with DMSO or 100 μg/ml DMXAA, and 500 µM biotin was added to the medium. After 1-h incubation, the cells were lysed in 6 M guanidine-HCl containing 100 mM Tris-HCl (pH 8.0) and 2 mM DTT. The lysates were dissolved by heating and sonication, and centrifuged at 20,000 g for 15 min at 4ºC. The supernatants were recovered, followed by reduction in 5 mM DTT at room temperature for 30 min and alkylation in 27.5 mM iodoacetamide at room temperature for 30 min in the dark. Proteins were purified by methanol/chloroform precipitation and solubilized by 0.1% RapiGest SF in 50 mM triethylammonium bicarbonate. After repeated sonication and vortex, the proteins were digested with 20 µg trypsin at 37ºC overnight. The resultant peptide solutions were captured on the anti-biotin antibody-coupled beads in the presence of 1 mg/ml Pefabloc SC during 16 h of incubation at 4ºC. After washing with TBS four times, and with ultrapure water twice, the biotinylated peptides were eluted with 50 µL of 0.1% TFA in 80% acetonitrile three times. The combined eluates were evaporated, and desalted using GL-Tip SDB. The desalted eluates were further evaporated, and redissolved in 0.1% TFA.
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Project description:BMDCs from WT, Fcgr2b-/- and Stinggt/gt were cultured, then stimulated with DMXAA for 3 and 6 hr. Cells were collected and lysed with 1 % IGEPAL CA-630, 0.5% TritonX-100, 150 mM NaCl, 50 mM Tris pH 7.4, 5% glycerol, 100 mM beta-Glycerophosphate, 2 mM Na3VO4 and 1X proteases inhibitor cocktail (Roche). First, antibody were mixed with the magnetic beads by adding 10 µg of STING antibody with 400 ug of SureBeads™ Protein A magnetic beads (Biorad, California, USA) and incubated for 1 hour at room temperature. Then, Protein lysates were added and incubated with antibody-conjugated beads for overnight at 4oC. After incubation, the beads were washed 3 times with wash buffer (150 mM NaCl and 50 mM Tris-HCL pH 7.4). Samples were eluted by adding 5X laemmli buffer and, boiled 950C for 10 minutes. The eluted protein samples were separated by 10 % SDS-PAGE gel. The STING interacting proteins from co-IP were analyzed by in-gel digestion followed by LC-MS/MS analysis.
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Project description:The STING-null RAW264.7 cells expressing TurboID-STING were treated with DMSO or 30 μg/ml DMXAA, and 500 µM biotin was added to the medium. After 1-h incubation, the cells were lysed in 6 M guanidine-HCl containing 100 mM HEPES-NaOH (pH 7.5), 10 mM TCEP, and 40 mM CAA. The lysates were dissolved by heating and sonication, and centrifuged at 20,000 g for 15 min at 4ºC. The supernatants were recovered, and proteins were purified by methanol/chloroform precipitation and solubilized by 0.1% RapiGest SF in 50 mM triethylammonium bicarbonate. After repeated sonication and vortex, the proteins were digested with trypsin at 37ºC overnight. The resultant peptide solutions were captured on MagCapture HP Tamavidin 2-REV magnetic beads in the presence of 1 mg/ml Pefabloc SC during 3 h of incubation at 4ºC. After washing with TBS five times, the biotinylated peptides were eluted with 100 µL of 1 mM biotin at 95ºC twice. The combined eluates were desalted using GL-Tip SDB, evaporated in a SpeedVac concentrato, and redissolved in 0.1% TFA and 3% ACN.
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Project description:The STING-null RAW264.7 cells expressing TurboID-STING were treated with DMSO or 30 μg/ml DMXAA, and 500 µM biotin was added to the medium. After 1-h incubation, the cells were lysed in 6 M guanidine-HCl containing 100 mM HEPES-NaOH (pH 7.5), 10 mM TCEP, and 40 mM CAA. The lysates were dissolved by heating and sonication, and centrifuged at 20,000 g for 15 min at 4ºC. The supernatants were recovered, and proteins were purified by methanol/chloroform precipitation and solubilized by 0.1% RapiGest SF in 50 mM triethylammonium bicarbonate. After repeated sonication and vortex, the proteins were digested with trypsin at 37ºC overnight. The resultant peptide solutions were captured on anti-biotin (A7C2A) rabbit monoclonal antibody-conjugated beads in the presence of 1 mg/ml Pefabloc SC during 3 h of incubation at 4ºC. After washing with TBS four times, and with ultrapure water twice, the biotinylated peptides were eluted with 100 µL of 0.2% TFA and 80% ACN twice. The combined eluates were desalted using GL-Tip SDB, evaporated in a SpeedVac concentrator, and redissolved in 0.1% TFA and 3% ACN.
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