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Table 1 All reagents used for sample preparation with nPOP

From: Exploring functional protein covariation across single cells using nPOP

 

Reagent

Dispense conc.

Volume added

Concentration in droplet

1

DMSO

100 %

8 nl

100 %

2

Cell

300 cell/μl in 1× PBS

300 pl

1 cell

3

Digest mix

 

13 nl

60 % (aq)

 

Trypsin Gold (aq)

150 ng/μl

 

90 ng/μl

 

HEPES (aq)

6 mM

 

4 mM

4

TMT (DMSO)

8.3 μg/μl

30 nl

8.3 μg/μl

5

mTRAQ (DMSO)

8.3 μg/μl

30 nl

8.3 μg/μl

6

TEAB (aq)a

200 mM

20 nl

50 mM

7

Hydroxylamine (HA)

5 %

2 × 20 nl

3 %

  1. Listed are volumes added, concentrations in the dispensing solution, and concentrations in the droplets
  2. aAqueous TEAB solution is added only for mTRAQ labeling (not for TMT) since it is required for optimal mTRAQ labeling