How do I create a new High Throughput top down proteomics experiment in ProSightPC 2.0?
In Data Analysis, asked by Montano Designs One year ago
Answers
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- A: Click the High Throughput Wizard icon,
- Set processing Options:
- On the Process a dataset page of the wizard, click Add and select a .raw data file. For future processing, an input file can be either a .raw file or a ProSightPC upload format (.puf ) file.
- In the Choose a Process Algorithm area, select a method of analysis-to-infer mass (AIM), which converts the data in the .raw data file to observed neutral mass values. Two are available: Xtract and THRASH. Both work well, although Xtract tends to be faster.
- In the Choose a Process Option area, select a processing option: Top Down (MS2), Top Down (MS3), or Middle Down or manually set the parameters (Advanced Settings).
- Click Next.
- Prepare Repository and Search Tree
- Select an existing repository from the Repository list or create a new repository.
- Click New Repository.
- Give your repository a name.
- ProSightPC provides two default categories, “good” and “bad,” when creating a new repository.
- Click Save.
- Select an existing search tree from the Search Tree List or create a new search tree
- A search tree can hold one or more branch points. Each branch point in the tree contains one search. The simplest search tree has one branch point; this is the default for a new tree. You can create a new search or select an existing search.
- If you want to select an existing search and are running the example files, select Demo Search Tree from the Search Tree Name list.
- To create a new search tree
- To create a search, click Add Search.
- (Optional) Add a predefined search or edit an existing predefined search.
- Click Save.
- Select a predefined search or create a new search.
- To select a condition, click Conditions.
- Set conditions that determine if the experiment will be loaded to the “good” category representing high-quality data or to the “bad” category representing low-quality data. The default of E-value < 1e-4 filters confident hits.
- (Optional) Specify a two-level search tree by changing load to run search, and repeat this process.
- (Optional) Select the options in the Experiment Filter box to ignore experiments that are not likely to yield matches. By default, these are:
- Experiments that contain less than 10 fragments
- Experiments whose intact mass is less than 750 Da
- Click Save.
- Run HighThroughput Mode!
- Review your settings in the Summary window.
- To begin the ProSightPC High Throughput processing, select Process at the bottom.
- When the High Throughput wizard finishes processing the data, click Finish.
- Select an existing repository from the Repository list or create a new repository.
- A: Click the High Throughput Wizard icon,
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