Table 2.

Phosphorylated RPS6 peptides detected by LC-MS/MS under LD and LL.

			LD			LL
Protein	Peptide	Site	Peak	Fold change	p-value	Peak	Fold change	p-value
RPS6A	SRLSSAAAKPSVTA	S240	ZT12	4.29	0.003	ZT0	1.81	0.083
RPS6A	LSSAAAKPSVTA	S241	ZT12	3.14	0.005	ZT0	2.94	0.006
RPS6A	KGENDLPGLTDTEKPR	T127	ZT12	0.88	0.599	ZT0	1.17	0.469
RPS6A	SRLSSAAAKPSVTA	S237, S240	ZT12	2.90	0.020	ZT0	3.51	0.019
RPS6A/B	SESLAKK	S231	ZT12	2.07	<0.001	ZT0	1.21	0.371
RPS6A/B	LVTPLTLQR	T185	ZT12	2.06	0.088	–	–	–
RPS6B	SRLSSAPAKPVAA	S240	ZT12	2.24	0.003	ZT0	1.54	0.166
RPS6B	SRLSSAPAKPVAA	S240, S237/S241	ZT12	3.39	0.002	ZT0	3.98	0.008

In each peptide sequence, the phosphorylated serine (S) is underlined. For one peptide it was not possible to distinguish between phosphorylation on S237 or S241. Significance of fold-changes between high and low values was tested by t-test.