Table 1.

The top-ten most up- and down-regulated proteins quantified in at least two replica’s of the SAA012- and the SAW041 mutant strain relative to the WT Synechocystis sp. PCC6803, as indicated by their isotopic ratios

Protein ID	Description	14N/15N ratio
		SAA012-1	SAA012-2	SAA012-3
P74635	Uncharacterized transporter slr0753	2.87	3.01	3.35
P73238	Slr2018 protein	2.72	3.31	2.14
P74705	Slr1178 protein		1.82	2.07
P74644	Circadian clock protein KaiA	1.78	2.07
Q6YRW2	Slr6042 protein	1.76	1.95
P74625	Phycobilisome rod-core linker polypeptide CpcG	0.20	0.23	0.20
P73799	Slr1259 protein	0.32		0.38
P73204	Phycobilisome 32.1 kDa linker polypeptide, phycocyanin-associated, rod 2	0.40	0.43	0.40
P73605	Slr1854 protein	0.44	0.54	0.43
P72955	Urease accessory protein UreG	0.45	0.45	0.53

Protein ID	Description	14N/15N ratio
		SAW041-1	SAW041-2	SAW041-3
Q6ZEP2	Slr5088 protein	11.23	10.71
Q55877	Slr0106 protein	8.77	8.63
P73238	Slr2018 protein	2.81	3.00	2.47
Q6ZEB1	Uncharacterized protein sll7087	2.77		2.45
Q6YRT3	Slr6012 protein	2.51	2.56	2.45
P74625	Phycobilisome rod-core linker polypeptide CpcG	0.22	0.22	0.16
P73204	Phycobilisome 32.1 kDa linker polypeptide, phycocyanin-associated, rod 2	0.23	0.22	0.16
Q54715	C-phycocyanin alpha chain	0.36	0.36	0.27
P73203	Phycobilisome 32.1 kDa linker polypeptide, phycocyanin-associated, rod 1	0.44	0.39	0.28
Q54714	C-phycocyanin beta chain	0.45	0.43	0.28