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:	S402
P-Site Sequence:	GWPGLKGSKGERGRP
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	S402	GWPGLKGSKGERGRP	100 / 9 AA	162
Phosphosite 1:	COL11A1	P12107	S776	GVRGLKGSKGEKGED	88 / 9 AA	181
Phosphosite 2:	COL19A1	Q14993	S748	GREGPKGSKGERGYP	88 / 9 AA	115
Phosphosite 3:	COL5A1	P20908	T806	GIRGLKGTKGEKGED	77 / 9 AA	184
Phosphosite 4:	COL1A2	P08123	S878	GILGLPGSRGERGLP	77 / 9 AA	129
Phosphosite 5:	COL29A1	A8TX70	S1417	GSQGLKGSRGHRGED	77 / 9 AA	290
Phosphosite 6:	COL27A1	Q8IZC6	S770	GLFGLPGSDGERGLP	77 / 9 AA	187
Phosphosite 7:	OTOL1	A6NHN0	S333	GSRGFKGSKGELARV	87 / 8 AA	49
Phosphosite 8:	SH3PXD2A	Q5TCZ1	S795	LRGGLKGSKSEDSEL	87 / 8 AA	125
Phosphosite 9:	COL15A1	P39059	S997	GSWGLPGSKGEKGDQ	77 / 9 AA	142
Phosphosite 10:	COL4A3	Q01955	S89	GLPGLTGSKGVRGIS	77 / 9 AA	162
Phosphosite 11:	COL28A1	Q2UY09	S479	AGQGLPGSKGEVGQM	87 / 8 AA	117
Phosphosite 12:	COL24A1	Q17RW2	S982	GLQGLPGSTGDRGLP	66 / 9 AA	175
Phosphosite 13:	COL22A1	Q8NFW1	S1349	GTPGQKGSKGENGSP	87 / 8 AA	161
Phosphosite 14:	C8B	P07358	S30	GCLSLPGSRGERPHS	75 / 8 AA	67
Phosphosite 15:	COL5A1	P20908	S1169	GEPGQKGSKGDKGEQ	66 / 9 AA	184
Phosphosite 16:	COL11A1	P12107	S1139	GEPGQKGSKGDKGEN	66 / 9 AA	181
Phosphosite 17:	COL5A3	P25940	S1089	GAPGHKGSKGDKGDA	66 / 9 AA	172
Phosphosite 18:	COL23A1	Q86Y22	T467	GLIGLPGTKGEKGRP	66 / 9 AA	52
Phosphosite 19:	COL16A1	Q07092	T1516	GVRGLPGTKGEKGDI	66 / 9 AA	158
Phosphosite 20:	COL19A1	Q14993	S708	ASVPGLKSNKGEEGG	75 / 8 AA	115