Proteomics software at MSI. Pratik Jagtap Minnesota Supercomputing institute
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1 Proteomics software at MSI. Pratik Jagtap Minnesota Supercomputing institute
2 Proteomics software at MSI. proteomics : emerging technology proteomics workflow search algorithms de novo analysis : Peaks Statistical validation of protein identification Quantitative tools Targeted proteomics Data dissemination : Tranche
3 Proteomics Fifteen Years Ago
4 Two-Dimensional gel electrophoresis pi Mw Proteins are resolved based on their isolelectric point (using isoelectric focusing) and then molecular weight (using SDS-PAGE). Gels are compared, differentially expressed proteins are excised and identified.
5 Proteomics Fifteen Years Ago Mass Spectrometry Data Extrac5on. Search algorithm Analysis So9ware that correlates the protein ID to the excised gel spot.
6 Genomics Genomics : Number of Databases for search and Shotgun analysis.
7 Multi-Dimensional Protein Identification Technology
8 mass spectrometry
9 Mass Spectrometers & data formats Thermofinnigan Xcalibur /.raw Life Technologies Analyst /.wiff ;.t2d Waters Masslynx /.raw Bruker.baf Sequest ProteinPilot X! tandem OMSSA Mascot
10 Proteomics workflow Protein Peptide Fragmentation Mass spectrum Search against database.
11 mass spectrum Intensity Mass / charge
12 Proteo-Informatics Mass Spectrometry Mass spectral data. Search algorithm De novo Tools. Sta5s5cal valida5on of pep5de and protein iden5fica5ons. Quan5ta5ve Tools. Targeted Proteomics Data Dissemina5on
13 search algorithm Mass Spectrometry Mass spectral data. Search algorithm
14 search algorithm Mass Spectrometry Mass spectral data. Search algorithm Sequest X!tandem OMSSA MaxQuant RDC : sdvlapp32 ProteinPilot CPC9 ; CGL 138. Mascot
15 Protip / TINT Raw Data from Orbitrap mzxml format Mgf format dta format X!TANDEM search OMSSA search SEQUEST search MASCOT search Scaffold Analysis Scaffold Viewer Powered by
16 performing multiple searches through Protip HUMAN DATASET MASCOT search Sequest X! tandem 441 Mascot All Together # of 462 proteins Sequest + Mascot Sequest + X! tandem X! tandem + Mascot Powered by
17 Search algorithm PROTEINPILOT
18 ProteinPilot accounts for more spectra by screening for large number of Glu >pyro Glu itraq4plex Methylthio No itraq4plex Amino(Y) Arg >GluSA(R) Deamidated(N) Deamidated(Q) Dehydrated(D) Dehydrated(E) Dehydrated(S) Dehydrated(T) Delta:H(4)C(2)(H) Dethiomethyl(M) itraq4plex(h) itraq4plex(k) itraq4plex(s) itraq4plex(t) itraq4plex(y) Methylthio(C) G A substitution Hydroxy-proline Dioxidation (W) itraq4plex(ser)
19 Search algorithm maxquant MaxQuant is an integrated suite of algorithms specifically developed for high-resolution, quantitative MS data. MaxQuant detects peaks, isotope clusters and stable amino acid isotopelabeled (SILAC) peptide pairs as three-dimensional objects in m/z, elution time and signal intensity space. By integrating multiple mass measurements, mass accuracy in the p.p.b. range is achieved. MaxQuant quantifies several hundred thousand peptides per SILACproteome experiment.
20 De novo Tools. PEAKS Options No DB de novo Sequence but no ID Protein DB Multiple software Homologous DB Protein ID inchorus SPIDER Sequence with ID high confidence Sequence ID Sequence with putative ID data in different formats Protein ID PTM Finder PTMs Protein ID PEAKS Q quantity
21 De novo Tools. PEAKS resources at MSI PEAKS Online Get a password from Tu. Set up a search using peaklist. Monitor your search status. Links for.anz files that can be used further in PEAKS Client. PEAKS Client v4.5 PEAKS Client available at CGL : CPC7 and CPC10. Use remote access to cpc7.msi.umn.edu or cpc10.msi.umn.edu Use your.anz file (generated from Online search) for further analysis.
22 Sta5s5cal valida5on of pep5de and protein iden5fica5ons.
23 Scaffold Sta5s5cal valida5on of pep5de and protein iden5fica5ons.
24 Proteomics Quantitatition
25 itraq : Isobaric Tags for Relative and Absolute Quantification. Isobaric Tag (Total mass = 145) Reporter Charged Balance Neutral loss Peptide Reactive Group Trypsin digest PRG PRG PRG PRG Mix MS -N H -N H -N H -N H MS [Reporter-Balance-Peptide] MS/MS % Intensity % Intensity Mass (m/z) QGQPIGLGEASNDTWI TTK Mass (m/z)
26 Quan5ta5ve Tool maxquant MaxQuant quantifies several hundred thousand peptides per SILAC-proteome experiment.
27 ProteinPilot supports and of itraq datasets.
28 Targeted Proteomics MRM Selectivity, Sensitivity and Dynamic Range Quantitative Proteomics Results Prediction Choose and Optimize Transistions
29 Data Dissemina5on Tranche Tranche is a free and open source file sharing tool that enables the storage of large amounts of data. Designed and built with scientists and researchers in mind, Tranche can handle very large data sets, is secure, is scalable, and all data sets are citable in scientific journals.
30 LAST WORD Sequest X! tandem OMSSA MaxQuant ProteinPilot Mascot Scaffold PEAKS TPP Tranche Trans-proteomic Pipeline Pipeline ProTIP Questions? Pratik Jagtap
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