AssayMAP Automated Protein Sample Prep for Mass Spectrometry

AssayMAP
Automated Protein
Sample Prep
for Mass Spectrometry
Rachel Bolger, Product Manager
[email protected]
4/11/2014
Confidentiality Label
May 5, 2014
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The LC/MS Influence
For Research Use Only. Not for use in diagnostic
procedures.
May 5, 2014
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The Vision
A complete menu of automated methods for protein analysis
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with method-specific cartridges
on a single instrument
with simplified user-interface
Heavy Chain
Pyroglutamate
Disulfide
shuffling
Light Chain
Fab
Deamidation/oxidation
Glycosylation
site
Fc
Intact molecular
weight
Peptide Mapping
Glycan Analysis
For Research Use Only. Not for use in diagnostic
procedures.
May 5, 2014
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AssayMAP Technology Components
Precision & Increased Throughput
AssayMAP Bravo Liquid Handling platform
provides precision pipetting and parallel
processing
Robust & Reproducible
quantitative chromatographic
separation method provides
highly reproducible results
Easy to Use
Standardized user interfaces enable control over
key assay parameters, are easy to use and make
methods simple to transfer
For Research Use Only. Not for use in diagnostic
procedures.
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AssayMAP Technology - Components
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Why Chromatography?
AssayMAP is like microscale HPLC columns, run 96 at a time, yielding chromatographic-like performance
Traditional Pipet Tip Column
AssayMAP Cartridge
VS
Shower
Bath
• Multi-pass contact (equilibrium adsorption)
• Single-pass contact (chromatography!)
• No flow rate control
• Precise, controlled flow rate
• Non-quantitative extraction
• Quantitative binding & elution
• Less efficient removal of contaminants
• Efficient removal of contaminants
• Recover < 100 % of capture
• Recover 100% of capture
• Diluted >10 X
• Minimal volume (10 µL elution)
For Research Use Only. Not for use in diagnostic
procedures.
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AssayMAP Technology: Cartridge Portfolio
Applications (Apps)
Ab Capture
Protein Digestion
Peptide Clean Up
Fractionation
Protein A and G
Cartridges
(protocol only - no
cartridge)
C18 & RP-S
Cartridge
SCX, C18 & RP-S
Cartridge
Coming soon
Workflows: combine individual Apps into powerful workflows
Protein Sample Prep
for mass spec analysis
Purify
Digest
Phosphopeptide
Enrichment with TiO2
Cleanup
Immunoaffinity Purification
N-glycan Sample Prep
for HPLC, CE or mass spec analysis
Release and Label Glycans
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Software Designed for Scientists
Flexible and intuitive software, out of the box
Workflow-specific
control parameters
Standardized
deck layout
“Pushbutton”
run controls
For Research Use Only. Not for use in diagnostic
procedures.
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Software - Calculator
Each input in calculators is
described in full user
guides
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Protein Purification App
• Protein A, Protein G
- Quantitative single pass binding, washing and elution
- Sample volumes from 10-1000 µL
- Elution volumes as low as 25 µL
- Ability to wash with multiple stringency wash solutions
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Protein Purification App - User Interface
For Protein A (PA-W), Protein G (PG-W), Streptavidin (SA-W)
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Protein Purification App
Quantitative Recovery
Quantitative recovery >95%
Less than 2% CVs
30 min/96 samples
Minimal hands on time
Very reproducible, CVs = <5%
Integrates with other workflows
Elution in < 25µl
For Research Use Only. Not for use in diagnostic
procedures.
May 5, 2014
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Peptide Sample Prep Workflow
In-Solution
Protein Digestion
Peptide Cleanup
Peptide
Fractionation
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In-Solution Digestion App
1-3 hrs
2-18 hrs
Input:
Output:
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Particulate-free solutions of proteins
Up to 384 samples -(four) 96-well plates
Sample plate from a Purification protocol
Sample volume dependent on chemistry
conditions – Use the Reagent Calculator!
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Sample plates contain digested proteins
= peptides
Samples now ready for peptide cleanup
Dramatically reduces hands on time and human variability
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In-Solution Digestion App – User Interface
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Peptide Cleanup App
C18 or RP-S
Input:
Output:
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Particulate-free, aqueous solutions
of peptides
Sample plates from In-Solution
Digestion protocol
Up to 96 samples (1 plate)
Up to 250 µL sample load
Up to 25x
concentration
factor!!!
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Salt-free, solutions of
peptides in organic
solvent
Elution volume as little
as 10 µL
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Peptide Cleanup App – User Interface
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Reversed-phase cartridge characterization
BSA load capacity study
RH = relative hydrophobicity
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BSA digestion and cleanup
Person to person reproducibility
Low elution volume = powerful enrichment
Low intra- and interday CVs
For Research Use Only. Not for use in diagnostic
procedures.
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Peptide Fractionation
SCX, C18, or RP-S
Input:
Output:
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Particulate-free, solutions of
peptides
Sample plates from Peptide
Cleanup protocol
Up to 96 samples (1 plate)
Up to 250 µL sample load
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Solutions of peptides in
various solvents/salts
As many as 6 fractions can
be collected
Can collect small volume
fractions (~ 5 µL)
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Fractionation - User interface
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Fractionation
AssayMAP Bravo
1290 Infinity LC with AdvanceBio
Peptide Mapping Column
6550 iFunnel
Q-TOF with
Dual Agilent Jet
Stream ESI
Source
Confidentiality Label
May 5, 2014
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Fractionation – Optimized
peptides elute mostly in one fraction
Confidentiality Label
May 5, 2014
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Fractionation – Needs More Optimization
peptides elute across multiple fractions
Confidentiality Label
May 5, 2014
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E. coli fractionation by SCX
Elution by
increasing ionic
strength (KCl)
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Fully automated AssayMAP Bravo Workstation for
peptide sample prep
BenchBot Robot
AssayMAP Bravo
Plate
Hub
XPeel
Multidrop Combi
INHECO
Incubator MP
Centrifuge
PlateLoc
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AssayMAP Automated Protein Sample Prep Platform
Powerful enrichment due to small volume
Total workflow reproducibility
Dramatically reduces human variability
Standardized interfaces are easy to use
Out-of-the box automation
Integrated workflows
For Research Use Only. Not for use in diagnostic
procedures.
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