Data analysis and bioinformatics tools for tandem mass spectrometry in proteomics

link to

Data analysis and bioinformatics tools for tandem mass spectrometry in proteomics

PRIDE: the proteomics identifications database.

link to

PRIDE: the proteomics identifications database.

Flexible Informatics for Linking Experimental Data to Mathematical Models Via DataRail

Link to Bioinformatics Paper

ABSTRACT
Motivation: Linking experimental data to mathematical models in
biology is impeded by the lack of suitable software to manage and
transform data. Model calibration would be facilitated and models
would increase in value were it possible to preserve links to training
data along with a record of all normalization, scaling, and fusion
routines used to assemble the training data from primary results.
Results: We describe the implementation of DataRail, an open
source MATLAB-based toolbox that stores experimental data in
flexible multi-dimensional arrays, transforms arrays so as to maximize
information content, and then constructs models using internal
or external tools. Data integrity is maintained via a containment hierarchy
for arrays, imposition of a metadata standard based on a
newly proposed MIDAS format, assignment of semantically typed
universal identifiers, and implementation of a procedure for storing
the history of all transformations with the array. We illustrate the
utility of DataRail by processing a newly collected set of ~22,000
measurements of protein activities obtained from cytokinestimulated
primary and transformed human liver cells.
Availability: DataRail is distributed under the GNU General Public
License and available at http://code.google.com/p/sbpipeline/
Contact: sbpipeline@hms.harvard.edu
Supplementary information: accompanies this paper.

Integrative Bioinformatics 5

[Index of classes ]

January 24 - hands on session developing a client for UCSC Genome Browser (everybody):

1. Quick introduction to REST vs SOAP + revisit precedent CORBA, EMAIL, port chanelling etc
2. Quick Introduction to upcomming data base and computational statistics modules.
3. Hands on session.

HOMEWORK

Don't for get last sessions's: Write matlab function that reads HTML table into cell array.

Integrative Bioinformatics 4

[Index of classes ]

January 22 - Data structures and data services (Pablo, Jonas):

1. Extracting data structures from data services.
2. Attribute/Value pairs --> XML --> RDF tripples
3. Regular Expressions.
4. UCSC Genome browser as a data service providing an aggragating data structure. For online tutorials see this page.

HOMEWORK

Write matlab function that reads HTML table into cell array.

Integrative Bioinformatics 3

[Index of classes ]

1. Discussion of matrix notation using teh homework assignment. [my solution].

2. Alignment as a similarity metric. [Presentation].

3. Discussion of collective assignment on developing a client that will use UCSC Genome Browser as a data service.

HOMEWORK

Since you did so well in the introductory class, today we move to an advance algorithm deployment assignment. The Homework is described in the last slide of the presentation.

Integrated Bioinformatics 2008 2

[Index of classes ]

This class will introduce the two main components of the integrative exercise: data structures and programming languages. The exploration of these two topics will be pursued in MATLAB, a fast prototyping scientific and engineering programming environment.

In addition to the very extensive help material that comes with MATLAB (from manuals to viodeos, clisck on "Help" in the top menu to find more), Mathworks' website also includes a great selection of webminars.

HOMEWORK

Today we have a small homework assignment just to make sure we all know how to send them to me: write a m-function that identifies the largest element of a matrix and return their location.