LC-MS/MS data for protein band
Description
The prominent band induced by growth on L-cysteate and pyruvate was manually excised. After in-gel digestion with trypsin and extraction, the mixture of peptides was loaded onto Orbitrap Fusion LUMOS MS. The MS/MS spectra from each LC-MS/MS run were searched against the B. wadsworthia protein database GCF_000185705.2 (Bilo_- wads_3_1_6_V2) from UniProt (release date of Mar, 2022; 68,406 entries) using an in-house Proteome Discoverer (Version PD 2.2, Thermo-Fisher Scientific). Protein identifications were performed based on Sequest HT.
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B. wadsworthia cells were boiled in Laemmli loading buffer for cell lysis and proteins were separated on a 10% SDS/PAGE gel which was stained with Coomassie Blue R-250 staining solution, followed by a destaining process. The most prominent band induced by growth on L-cysteate and pyruvate was manually excised. After in-gel digestion with trypsin and extraction, the mixture of peptides was loaded onto Orbitrap Fusion LUMOS MS equipped with a 150 μm × 2 cm self-packed C18 trap column (particle size 3 μm, Dr. MASCH GmbH, Germany) and a 150 μm × 30 cm self-packed C18 analytical column (particle size 1.9 μm, Dr. MASCH GmbH). The HPLC conditions were as follows: linear gradient from 8 to 12% mobile phase B over 10 min, 12 to 27% over 69 min, 27 to 45% over 28 min, 45 to 95% over 3 min, and 95% over 10 min, where mobile phase A was ddH2O and 0.1% formic acid, and mobile phase B was 80% acetonitrile and 0.1% formic acid. The MS/MS spectra from each LC-MS/MS run were searched against the B. wadsworthia protein database GCF_000185705.2 (Bilo_- wads_3_1_6_V2) from UniProt (release date of March 2022; 68,406 entries) using an in-house Proteome Discoverer (Version PD 2.2, ThermoFisher Scientific). Protein identification was performed based on Sequest HT.
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Funding
Ministry of Science and Technology of the People's Republic of China
2019YFA0905700
Ministry of Science and Technology of the People's Republic of China
2020YFA0907900
National Natural Science Foundation of China
32125002