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Dionex ultimate 3000 rapid separation nanolc

Manufactured by Thermo Fisher Scientific

The Dionex UltiMate 3000 Rapid Separation nanoLC is a high-performance liquid chromatography (HPLC) system designed for analytical-scale separations. It features a modular design and supports a wide range of application areas, including proteomics, metabolomics, and small-molecule analysis.

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7 protocols using dionex ultimate 3000 rapid separation nanolc

1

Quantitative Proteomic Analysis of Peptide Samples

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The obtained peptides were analyzed by liquid chromatography with tandem mass spectrometry (LC-MS/MS) using a Dionex UltiMate 3000 Rapid Separation nanoLC and a Q Exactive HF Hybrid Quadrupole-Orbitrap Mass Spectrometer (Thermo Fisher). Samples were loaded onto a house-packed C18 column and separated with a 5 to 40% gradient of solvent (0.1% FA in ACN) for 120 min by an analytical column (PicoChip, New Objective, Inc.). MS/MS spectra were searched against the SwissProt Mus musculus database using Mascot search engine (Matrix Science; version 2.7.0.1). All searches included carbamidomethyl Cys as a fixed modification and oxidized Met; deamidated Asn and Gln; and acetylated N-term as variable modifications. The search result was visualized by Scaffold v 5.0.1 (Proteome Software, Inc.). A 1% false discovery rate of the protein with a minimum of two unique peptides was identified. Statistical analysis, specifically, a Fisher’s exact test with a Benjamini–Hochberg multiple test correction, was performed for comparison between 200-SNA and 150-SNA groups (n = 4 and 3 samples per group, respectively).
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2

BioID Screening for Proximal Interacting Proteins

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BioID is a novel method to screen for interacting protein partners that are in close proximity in living cells. BioID was performed as previously described (33 (link), 34 ). Briefly, HEKs were transduced with a fusion of a promiscuous biotin ligase (BirA*) to FIH-1 (a bait), or an empty vector LZRS. These cells were used to generate 3-D raft cultures as previously described (23 (link)). At day 9, rafts were treated with biotin daily for 3 days. At day 12, rafts were harvested for proteins. Endogenous binding partner proteins with FIH-1 were biotinylated. These biotinylated proteins were isolated using Streptavidin beads (Santa Cruz Biotechnology, Texas, USA) under a constringent condition for identification by mass spectrometry without loss of weaker binding partners. Peptides were analyzed by LC-MS/MS using a Dionex UltiMate 3000 Rapid Separation nanoLC and a Q Exactive™ HF Hybrid Quadrupole-Orbitrap™ Mass Spectrometer (ThermoFisher Scientific). Trap column: 150 μm x 3 cm in-house packed with 3 um C18 beads. Analytical column: 75 um x 10.5 cm PicoChip column packed with 1.9 um C18 beads (New Objectives). Data were analyzed and exported using Scaffold.4.8.2 software.
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3

Peptide Identification by LC-MS/MS

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Peptides were analyzed by LC-MS/MS using a Dionex UltiMate 3000 Rapid Separation nanoLC and a Q Exactive™ HF Hybrid Quadrupole-Orbitrap™ Mass Spectrometer (Thermo Fisher Scientific). Approximately 1 μg of peptide samples was loaded onto the trap column, which was 150 μm × 3 cm in-house packed with 3 μm C18 beads. The analytical column was a 75 μm × 10.5 cm PicoChip column packed with 3 μm C18 beads (New Objective, Inc.). The flow rate was kept at 300 nL/min. Solvent A was 0.1% FA in water and Solvent B was 0.1% FA in ACN. The peptide was separated on a 120-min analytical gradient from 5% ACN/0.1% FA to 40% ACN/0.1% FA. The mass spectrometer was operated in data-dependent mode. The source voltage was 2.10 kV and the capillary temperature was 320 °C. MS1 scans were acquired from 300–2000 m/z at 60,000 resolving power and automatic gain control (AGC) set to 3 × 106. The top 15 most abundant precursor ions in each MS1 scan were selected for fragmentation. Precursors were selected with an isolation width of 2 Da and fragmented by higher-energy collisional dissociation (HCD) at 30% normalized collision energy in the HCD cell. Previously selected ions were dynamically excluded from re-selection for 20 seconds. The MS2 AGC was set to 1 × 105. All samples were run in duplicate.
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4

Peptide Analysis by Nano-LC-MS/MS

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Peptides were analyzed by LC-MS/MS using a Dionex UltiMate 3000 Rapid Separation nanoLC coupled to a Orbitrap Elite Mass Spectrometer (Thermo Fisher Scientific Inc, San Jose, CA). Samples were loaded onto the trap column, which was 150 μm x 3 cm in-house packed with 3 um ReproSil-Pur® beads. The analytical column was a 75 um x 10.5 cm PicoChip column packed with 3 um ReproSil-Pur® beads (New Objective, Inc. Woburn, MA). The flow rate was kept at 300nL/min. Solvent A was 0.1% FA in water and Solvent B was 0.1% FA in ACN. The peptide was separated on a 120-min analytical gradient from 5% ACN/0.1% FA to 40% ACN/0.1% FA. MS1 scans were acquired from 400–2000m/z at 60,000 resolving power and automatic gain control (AGC) set to 1×106. The 15 most abundant precursor ions in each MS1 scan were selected for fragmentation by collision-induced dissociation (CID) at 35% normalized collision energy in the ion trap. Previously selected ions were dynamically excluded from re-selection for 60 seconds. Samples were analyzed in biological triplicates.
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5

Peptide Analysis by LC-MS/MS

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Peptides were analyzed by LC-MS/MS using a Dionex UltiMate 3000 Rapid Separation nanoLC and a Q Exactive™ HF Hybrid Quadrupole-Orbitrap™ Mass Spectrometer (Thermo Fisher Scientific Inc, San Jose, CA). Approximately 2 μg of peptide samples was loaded onto the trap column, which was 150 μm × 3 cm in-house packed C18 beads. The analytical column was a 75 μm × 10.5 cm PicoChip column packed with 3 μm C18 beads (New Objective, Inc. Woburn, MA). The flow rate was kept at 300 nL/min. Solvent A was 0.1% FA in water and Solvent B was 0.1% FA in ACN. The peptide was separated on a 120-min analytical gradient from 5% ACN/0.1% FA to 40% ACN/0.1% FA. The mass spectrometer was operated in data-dependent mode. The source voltage was 2.40 kV. MS1 scans were acquired from 300 to 2000 m/z at 60,000 resolving power and automatic gain control (AGC) set to 3 × 106. The top 20 most abundant precursor ions in each MS1 scan were selected for fragmentation. Precursors were selected with an isolation width of 2 m/z and fragmented by Higher-energy collisional dissociation (HCD) at 30% normalized collision energy in the HCD cell. Previously selected ions were dynamically excluded from re-selection for 20 s. The MS2 minimum AGC was set to 1 × 103. Data was acquired in technical duplicates.
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6

Peptide Identification by LC-MS/MS

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Peptides were analyzed by LC-MS/MS using a Dionex UltiMate 3000 Rapid Separation nanoLC coupled to the Orbitrap Elite Mass Spectrometer (Thermo Fisher Scientific Inc, San Jose, CA). Samples were loaded onto the trap column, which was 150 μm x 3 cm in-house packed with 3 um ReproSil-Pur® beads. The analytical column was a 75 um x 10.5 cm PicoChip column packed with 3 um ReproSil-Pur® beads (New Objective, Inc. Woburn, MA). The flow rate was kept at 300nL/min. Solvent A was 0.1% FA in water and Solvent B was 0.1% FA in ACN. The peptide was separated on a 120-min analytical gradient from 5% ACN/0.1% FA to 40% ACN/0.1% FA. MS1 scans were acquired from 400–2000m/z at 60,000 resolving power and automatic gain control (AGC) set to 1×106. The 15 most abundant precursor ions in each MS1 scan were selected for fragmentation by collision-induced dissociation (CID) at 35% normalized collision energy in the ion trap. Previously selected ions were dynamically excluded from re-reselection for 60 seconds. Samples were analyzed in 6 or 3 biological replicates.
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7

Peptide Analysis by LC-MS/MS

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Peptides were analyzed by LC-MS/MS using a Dionex UltiMate 3000 Rapid Separation nanoLC and a Q Exactive™ HF Hybrid Quadrupole-Orbitrap™ Mass Spectrometer (Thermo Fisher Scientific Inc, San Jose, CA). Approximately 2 μg of peptide samples was loaded onto the trap column, which was 150 μm × 3 cm in-house packed C18 beads. The analytical column was a 75 μm × 10.5 cm PicoChip column packed with 3 μm C18 beads (New Objective, Inc. Woburn, MA). The flow rate was kept at 300 nL/min. Solvent A was 0.1% FA in water and Solvent B was 0.1% FA in ACN. The peptide was separated on a 120-min analytical gradient from 5% ACN/0.1% FA to 40% ACN/0.1% FA. The mass spectrometer was operated in data-dependent mode. The source voltage was 2.40 kV. MS1 scans were acquired from 300 to 2000 m/z at 60,000 resolving power and automatic gain control (AGC) set to 3 × 106. The top 20 most abundant precursor ions in each MS1 scan were selected for fragmentation. Precursors were selected with an isolation width of 2 m/z and fragmented by Higher-energy collisional dissociation (HCD) at 30% normalized collision energy in the HCD cell. Previously selected ions were dynamically excluded from re-selection for 20 s. The MS2 minimum AGC was set to 1 × 103. Data was acquired in technical duplicates.
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