Note - Blast analyses are based on comparisons of the phosphosites and the bordering four amino acids on each side of these phosphosites.

Phosphosite
Human Protein:	COL4A3
Human P-Site:	S857
P-Site Sequence:	GFPGETGSPGIPGHQ
UniProt:	Q01955
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	COL4A3	Q01955	S857	GFPGETGSPGIPGHQ	100 / 9 AA	162
Phosphosite 1:	COL4A5	P29400	S864	GPPGERGSPGIPGAP	88 / 9 AA	161
Phosphosite 2:	COL22A1	Q8NFW1	S1355	GSKGENGSPGLPGFL	77 / 9 AA	161
Phosphosite 3:	COL4A1	P02462	S300	GDKGEKGSPGFPGEP	77 / 9 AA	161
Phosphosite 4:	COL11A2	P13942	S1220	GEPGESGSPGIQGEP	77 / 9 AA	172
Phosphosite 5:	COL4A3	Q01955	S917	GTPGQRGSPGIPGVK	77 / 9 AA	162
Phosphosite 6:	C1QTNF3	Q9BXJ4	Y109	GPKGEKGYPGIPPEL	77 / 9 AA	27
Phosphosite 7:	COL19A1	Q14993	Y754	GSKGERGYPGIPGEK	77 / 9 AA	115
Phosphosite 8:	COL21A1	Q96P44	S591	GFKGEAGSPGAPGQD	77 / 9 AA	99
Phosphosite 9:	COL7A1	Q02388	S2273	GKDGDRGSPGVPGSP	66 / 9 AA	295
Phosphosite 10:	CO3A1	P02461	S1039	GDRGENGSPGAPGAP	77 / 9 AA	139
Phosphosite 11:	COL4A3	Q01955	T855	RSGFPGETGSPGIPG	100 / 7 AA	162
Phosphosite 12:	COL16A1	Q07092	S481	GPKGDKGSSGIPGKE	66 / 9 AA	158
Phosphosite 13:	COL4A4	P53420	S1092	GPKGEPGSPGCPGHF	77 / 9 AA	164
Phosphosite 14:	COL4A1	P02462	S1199	GFPGLAGSPGIPGSK	77 / 9 AA	161
Phosphosite 15:	C1QTNF6	Q9BXI9	S115	GDKGEMGSPGAPCQK	77 / 9 AA	29
Phosphosite 16:	COL6A6	A6NMZ7	S1708	GLPGEMGSPGEPGPP	77 / 9 AA	247
Phosphosite 17:	COL4A6	Q14031	S802	GPKGERGSPGTPGQV	77 / 9 AA	164
Phosphosite 18:	COL4A6	Q14031	S1049	GMPGESGSQGIRGSP	66 / 9 AA	164
Phosphosite 19:	FRYL	O94915	S2272	TYGGDTGSPEISFTK	66 / 9 AA	340
Phosphosite 20:	FRYL	O94915	S1588	DYVPETSSPGLPLHR	75 / 8 AA	340