Table 1

Number of protein groups and distinct peptides identified in the proteomics data.

Cell line

Protein groups

With isoformsa

Specific isoformsb

Distinct peptides

Germ layer


HaCat

2031

2673

13

29040

Ectoderm

HEK293

4154

5412

64

71571

Mesoderm

HeLa

2379

3075

31

31609

Mesoderm

HepG2

2494

3298

24

30194

Endoderm

K562

3141

4078

37

48202

Mesoderm

Namalwa

2686

3527

29

37512

Mesoderm

U937

2073

2720

25

28786

Mesoderm


(a) Number of protein group reporters in case alternative splice variants are counted as well because they have all the peptides of the protein group, although they do not necessarily have a specific peptide detected. (b) Isoforms supported by a specific peptide.

Burkard et al. BMC Systems Biology 2011 5:17   doi:10.1186/1752-0509-5-17

Open Data