Table 2

iTRAQ labeling influence on peptides repartition for OFFGEL fractions 2, 11 and 24 for secretome sample.


+ iTRAQ
- iTRAQ



Fraction
Peptide pI Average
s.d.
Peptide pI Average
s.d.
ΔpI
% of Coverage

2
4.21
0.66
4.11
0.31
0.10
68.12
11
5.88
0.53
5.88
0.36
0.00
74.14
24
8.74
1.35
9.22
1.13
-0.48
56.90

(s.d. = standard deviation; ΔpI = difference of the peptide pI average for a same fraction with and without iTRAQ labeling)

Chenau et al. Proteome Science 2008 6:9   doi:10.1186/1477-5956-6-9