Targeted Proteomics Environment... · Collaborators: U. of Wa. Michael Bereman Jim Bolinger Jimmy...
Transcript of Targeted Proteomics Environment... · Collaborators: U. of Wa. Michael Bereman Jim Bolinger Jimmy...
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Targeted Proteomics
Environment
Rapid Processing of Large Scale Quantitative Proteomics Projects: Integration of Skyline with the CHORUS Cloud
Brendan MacLean; Andrey Bondarenko; Nick Shulman; Oleksii
Tymchenko; Christine Wu; Nathan Yates; Michael J. Maccoss
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Chromatography-based Quantification
Freely-available, and vendor neutral
SRM
MS1 chromatogram extraction
Targeted MS/MS (PRM)
DIA / SWATH
Acquisition Targeted Survey
More Selective Targeted-MS/MS DIA
Less Selective SRM MS1
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DIA Chromatogram Extraction
How many chromatograms to make DIA interesting?
10,000 peptides? (50,000+ transitions)
Whole proteome? (500,000+ transitions)
Hypothesis driven inquiries?
“Kind of defeats the purpose of SWATH”?
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DIA Fit-for-Purpose
Discovery Proteomics
Systematic acquisition without missing data
Petpide searching tools less mature than DDA
Chimeric spectra hard to search
Targeted Proteomics
High level of multiplexing without scheduled acquisition
Ability to test new hypotheses after acquisition
Gain selectivity over MS1
Lose selectivity from SRM and PRM
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DIA versus SRM Multiplexing
SRM
100 transitions unscheduled
20-30 peptides label-free
10-15 peptides with labeled pairs
DIA
Unlimited
Problems with scheduling
Shifts in chromatography can compromise measurement
Add setup time and complexity
More susceptible to human error
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Truncated and Missing Peaks TGTNLMDFLSR
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DIA versus SRM Files and Performance
SRM
Size: 5 to 20 MB
Import time: seconds to a few minutes
DIA
Size: 200 MB to 4000 MB (with IMS 2000 to 8000 MB)
Import time: 30 seconds to tens of minutes
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DIA versus SRM 50 Runs
SRM
Size: 0.5 GB
Import time: 10 minutes
DIA
Size: 100 GB
Import time: 6 hours
100x Storage and Performance Impact
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Chorus For Mass Spec File Storage
9
In Beta Release
for 12 months
>1 TB Downloaded
per Month
Google Docs-like interface
Lab-centered security model
Raw data file storage
Upload as acquired
Translated into distributed data structure
Massively parallel cloud data access
Fast chromatogram extraction
Fast single spectrum access
Scalable
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Using a Distributed Data Structure
Traditional Data file storage
• Fast to get a spectrum
• Slow to get a chromatogram
Chorus Data Storage
• Random access to the file
• Many processes can be
used to extract many
chromatograms/spectra
using MapReduce
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Skyline Direct Access to Chorus
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Performance Tests Systems
Desktop CPU: [email protected] GHz (7.8)
RAM: 16 GB (7.8)
Drive: SSD (7.9)
Laptop CPU: [email protected] GHz (6.9)
RAM: 8 GB (7.6)
Drive: SSD (8.65)
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Performance Tests Networks
University of Washington Download: 93.76 Mb/s
Upload: 94.11 Mb/s
Verizon Download: 44.37 Mb/s
Upload: 6.15 Mb/s
Baltimore Hilton
Download: 11.76 Mb/s
Upload: 6.34 Mb/s
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Data Import Performance
0
100
200
300
400
500
600
700
800
300 1,000 2,000 6,400 20,000
Seco
nd
s
Transitions
Desktop
Laptop
Chorus
Chorus Laptop & Cell
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Data Import Performance
0
50
100
150
200
250
300
300 1,000 2,000 6,400 20,000
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Desktop
Chorus
Chorus Laptop & Cell
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Full Scan Spectrum View
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Exploring MS1 Scans
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Exploring MS/MS Scans
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Exploring Ion Mobility MS/MS Scans
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Exploring Ion Mobility MS/MS Scans
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Imagine
Files automatically posted to Chorus
Fast chromatogram extraction to Skyline
Sharable Skyline documents
Reprocess data on a laptop without download
Spectrum access from anywhere
More processing and viewing options on Chorus
Processed Skyline documents on Panorama
Integrated systems: Chorus, Skyline and Panorama
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Skyline Team
Nick Shulman
Don Marsh
Brian Pratt
Dario Amodei
Vagisha Sharma
Kaipo Tamura
Yuval Boss
Jarrett Egertson
Max Horrowitz-Gelb
Danny Broudy
Trevor Killeen
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Collaborators:
U. of Wa. Michael Bereman
Jim Bolinger
Jimmy Eng
Andrew Stergachis
Sonia Ting
Broad Institute Jake Jaffe
Steve Carr
Hasmik Keshishian
D. R. Mani
Buck Institute Birgit Schilling
Matthew Rardin
Brad Gibson
Duke Will Thompson
Arthur Moseley
IMSB Rudolph Aebersold
Christina Ludwig
Olga Schubert
Hannes Röst
George Rosenburger
Lucia Espona Pernas
PNNL Sam Payne
Sangtae Kim
Purdue Meena Choi
Olga Vitek
Stanford Dario Amodei
Parag Mallick
Vanderbilt Matthew Chambers
Daniel Liebler
David Tabb
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Instrument Vendor Collaborators
Agilent Technologies Christine Miller
Joe Roark
Juli Salcedo
Shripad Torvi
Bruker Carsten Baessmann
Marius Kallhardt
Stephanie Kaspar
Pierre-Olivier Schmit
AB Sciex David Cox
Christie Hunter
Brent Lefebvre
Steve Tate
Shimadzu Alan Baynes
Junko Iida
Neil Loftus
Kiriko Matsuo
Thermo-Scientific Sue Abbatiello
Markus Kellmann
Andreas Kuehn
Vlad Zabrouskov
Waters James Langridge
Roy Martin
Kieran Neeson
Keith Richards