Software:Prequips:Inclusion List Builder

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The Prequips Inclusion List Builder extension is a plug-in for Prequips. The Inclusion List Builder facilitates a directed LC-MS/MS that decouples peak detection and sequencing of selected precursor ions. The method has been described in detail in Schmidt A, Gehlenborg N, Bodenmiller B, Mueller L, Domon B and Aebersold R, "An integrated, directed mass spectrometric approach for in depth characterization of complex peptide mixtures." (submitted).

The Inclusion List Builders supports creation of inclusion lists and subsequent mapping of identified peptides to features.

Please contact Nils Gehlenborg if you experience problems with the Inclusion List Builder or Prequips.

Contents

Concept

Overview

alt Inclusion List Builder concept


Step-By-Step in Prequips

  1. Create a project.
  2. Create a multi-sample analysis as part of this project.
  3. Create two single-sample analyses, say "Mapping Runs" and "INL Runs", as part of the multi-sample analysis.

To be continued.

Download

Software

We currently provide the Inclusion List Builder only bundled with Prequips.

Sample Data

Download the ZIP archive below for a sample data set to explore the features of the Inclusion List Builder:

Sample Data (80 MB). Contains 1 mzXML file in centroid mode for the mapping runs, 1 mzXML file in centroid mode for the inclusion list runs, the corresponding peptide (and protein) identification in BioWorks tabular file format and the Superhirn (MASTER_RUN) file containing the list of detected features in the mapping runs. (Originally the mapping runs comprised 3 files and the inclusion list runs 5 files.)

Prerequisites

  1. Make sure you have installed and configured a Java Runtime Environment (JRE) version 1.5 or later. Most machines should have this installed by default. Should your machine not have a recent JRE installed you may download a more up-to-date version from http://java.sun.com.
  2. Prequips requires large amounts of memory. We recommend at least 1024 MB.

Installation

  1. Extract the downloaded Prequips ZIP archive into a directory of your choice. A new subdirectory named "prequips_xxx" will be created ("xxx" will be replaced by the version and the OS identifier, e.g. "macosx" or "win32").
  2. Execute the Prequips application (prequips.app, prequips.exe, ...). A splash screen should appear within a few seconds.

Tutorial Screencasts

These tutorials require the free Apple Quicktime Player: http://www.apple.com/quicktime. All five parts together are a basic walk-through the functionality of the Inclusion List Builder.

  1. How to create a new project.
  2. How to create the master table.
  3. How to create an inclusion list.
  4. How map identified peptides back to the master table.
  5. How to export the peptide mappings of the master table.

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