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:	S104
P-Site Sequence:	GLPGFSGSPGLPGTP
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	S104	GLPGFSGSPGLPGTP	100 / 9 AA	162
Phosphosite 1:	COL1A2	P08123	T170	GARGFPGTPGLPGFK	77 / 9 AA	129
Phosphosite 2:	COL2A1	P02458	T280	GARGFPGTPGLPGVK	77 / 9 AA	142
Phosphosite 3:	COL4A1	P02462	S1110	GSVGYPGSPGLPGEK	77 / 9 AA	161
Phosphosite 4:	COL4A6	Q14031	S1055	GSQGIRGSPGLPGAS	77 / 9 AA	164
Phosphosite 5:	COL22A1	Q8NFW1	S994	GEPGLRGSPGLPGPL	77 / 9 AA	161
Phosphosite 6:	COL4A5	P29400	S136	GERGFPGSPGFPGLQ	77 / 9 AA	161
Phosphosite 7:	COL7A1	Q02388	S1327	GAPGLKGSPGLPGPR	77 / 9 AA	295
Phosphosite 8:	COL19A1	Q14993	S1093	PGIGLPGSPGLPGTS	77 / 9 AA	115
Phosphosite 9:	COL4A2	P08572	S810	GPPGFRGSQGMPGMP	66 / 9 AA	168
Phosphosite 10:	COL16A1	Q07092	S1420	GAPGPSGSPGLPGVP	88 / 9 AA	158
Phosphosite 11:	COL4A6	Q14031	T671	GPSGFPGTPGFPGPK	66 / 9 AA	164
Phosphosite 12:	COL4A6	Q14031	S740	GLPGMIGSPGLPGSK	77 / 9 AA	164
Phosphosite 13:	COL5A2	P05997	S532	GNRGFPGSDGLPGPK	77 / 9 AA	145
Phosphosite 14:	ARHGEF5	Q12774	S1405	TALEFSASPGLRRKL	75 / 8 AA	177
Phosphosite 15:	COL4A6	Q14031	S69	GPQGFTGSTGLSGLK	66 / 9 AA	164
Phosphosite 16:	COL7A1	Q02388	S2279	GSPGVPGSPGLPGPV	77 / 9 AA	295
Phosphosite 17:	COL4A3	Q01955	S425	GSPGCAGSPGLPGSP	77 / 9 AA	162
Phosphosite 18:	COL12A1	Q99715	T2825	GLPGRTGTPGLPGPP	66 / 9 AA	333
Phosphosite 19:	COL4A1	P02462	S1199	GFPGLAGSPGIPGSK	66 / 9 AA	161
Phosphosite 20:	COL4A2	P08572	S1475	GAPGRPGSPGLPGMP	77 / 9 AA	168