Table 6.

Peptides detected as increased in phosphorylation as consequence of RA treatment with confidence >95%

Protein	Accession	Peptide sequence	Residue	N	RA-15 min			RA-30 min
										Mean	sd	Mean	sd
hnRNP-A1	P09651	SE(Pho)SPKEPEQLR	Ser6	12	1.37	0.15	1.53	0.23
NPM	P06748	CGSGPVHISGQHLVAVEEDAE(Pho)SEDEEEEDVK	Ser125	10	1.21	0.24	1.39	0.28

N represents the number of times that the peptide was identified in independent MS spectra.