The standard protein mix database: a diverse data set to assist in the production of improved Peptide and protein identification software tools.

The standard protein mix database: a diverse data set to assist in the production of improved Peptide and protein identification software tools. Research Abstract Details 

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The standard protein mix database: a diverse data set to assist in the production of improved Peptide and protein identification software tools. Abstract Text:

John Klimek,James S Eddes,Laura Hohmann,Jennifer Jackson,Amelia Peterson,Simon Letarte,Philip R Gafken,Jonathan E Katz,Parag Mallick,Hookeun Lee,Alexander Schmidt,Reto Ossola,Jimmy K Eng,Ruedi Aebersold,Daniel B Martin,John Klimek,James S Eddes,Laura Hohmann,Jennifer Jackson,Amelia Peterson,Simon Letarte,Philip R Gafken,Jonathan E Katz,Parag Mallick,Hookeun Lee,Alexander Schmidt,Reto Ossola,Jimmy K Eng,Ruedi Aebersold,Daniel B Martin,

Tandem mass spectrometry (MS/MS) is frequently used in the identification of peptides and proteins. Typical proteomic experiments rely on algorithms such as SEQUEST and MASCOT to compare thousands of tandem mass spectra against the theoretical fragment ion spectra of peptides in a database. The probabilities that these spectrum-to-sequence assignments are correct can be determined by statistical software such as PeptideProphet or through estimations based on reverse or decoy databases. However, many of the software applications that assign probabilities for MS/MS spectra to sequence matches were developed using training data sets from 3D ion-trap mass spectrometers. Given the variety of types of mass spectrometers that have become commercially available over the last 5 years, we sought to generate a data set of reference data covering multiple instrumentation platforms to facilitate both the refinement of existing computational approaches and the development of novel software tools. We analyzed the proteolytic peptides in a mixture of tryptic digests of 18 proteins, named the "ISB standard protein mix", using 8 different mass spectrometers. These include linear and 3D ion traps, two quadrupole time-of-flight platforms (qq-TOF), and two MALDI-TOF-TOF platforms. The resulting data set, which has been named the Standard Protein Mix Database, consists of over 1.1 million spectra in 150+ replicate runs on the mass spectrometers. The data were inspected for quality of separation and searched using SEQUEST. All data, including the native raw instrument and mzXML formats and the PeptideProphet validated peptide assignments, are available at http://regis-web.systemsbiology.net/PublicDatasets/.

The standard protein mix database: a diverse data set to assist in the production of improved Peptide and protein identification software tools. Publishing Authors By Initials

J Klimek,JS Eddes,L Hohmann,J Jackson,A Peterson,S Letarte,PR Gafken,JE Katz,P Mallick,H Lee,A Schmidt,R Ossola,JK Eng,R Aebersold,DB Martin,J Klimek,JS Eddes,L Hohmann,J Jackson,A Peterson,S Letarte,PR Gafken,JE Katz,P Mallick,H Lee,A Schmidt,R Ossola,JK Eng,R Aebersold,DB Martin,

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The standard protein mix database: a diverse data set to assist in the production of improved Peptide and protein identification software tools. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of proteome research

VOLUME: 7

Page Numbers: 96-103

Journal Abbreviation: J. Proteome Res.

ISSN: 1535-3893

DAY: 21

MONTH: 08

YEAR: 2007

The standard protein mix database: a diverse data set to assist in the production of improved Peptide and protein identification software tools. Information

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LANGUAGE: eng

NlmUniqueID: 101128775

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AFFILIATION: dmartin@systemsbiology.org.

Country: United States

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MEDLINETA: J Proteome Res

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