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:	S606
P-Site Sequence:	GDPGSPGSPGPAGPA
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	S606	GDPGSPGSPGPAGPA	100 / 9 AA	162
Phosphosite 1:	ZNF444	Q8N0Y2	S235	THPGSPGSPGPALRP	100 / 9 AA	35
Phosphosite 2:	COL2A1	P02458	S400	GEPGTPGSPGPAGAS	88 / 9 AA	142
Phosphosite 3:	CO3A1	P02461	S1120	GNPGAPGSPGPAGQQ	88 / 9 AA	139
Phosphosite 4:	COL1A1	P02452	S546	GLTGSPGSPGPDGKT	100 / 8 AA	139
Phosphosite 5:	POLR2A	P24928	S1574	PTPGSPGSPGPSSPY	88 / 9 AA	217
Phosphosite 6:	CO3A1	P02461	S134	GQPGSPGSPGPPGIC	100 / 8 AA	139
Phosphosite 7:	COL4A5	P29400	S1242	GPPGPPGSPGPALEG	88 / 9 AA	161
Phosphosite 8:	COL2A1	P02458	S1075	GAPGPPGSPGPAGPT	88 / 9 AA	142
Phosphosite 9:	COL4A6	Q14031	S883	GLKGSPGSPGVAGLP	88 / 9 AA	164
Phosphosite 10:	COL4A3	Q01955	T1401	GKDGKPGTPGPAGEK	77 / 9 AA	162
Phosphosite 11:	ZNF469	Q96JG9	S3558	ENEASPGSPGPLLQQ	100 / 7 AA	259
Phosphosite 12:	COL12A1	Q99715	S2864	GPPGSPGSPGVTGPS	100 / 7 AA	333
Phosphosite 13:	COL11A2	P13942	S1304	GEPGQPGSPGPTGEN	77 / 9 AA	172
Phosphosite 14:	CO3A1	P02461	S196	GHPGSPGSPGYQGPP	100 / 7 AA	139
Phosphosite 15:	COL4A3	Q01955	S515	GLKGSPGSPGNTGLP	100 / 7 AA	162
Phosphosite 16:	COL4A3	Q01955	S1147	GLPGFPGSPGPMGIR	87 / 8 AA	162
Phosphosite 17:	COL4A1	P02462	S892	GTPGQPGSPGPVGAP	77 / 9 AA	161
Phosphosite 18:	SMEK1	Q6IN85	S780	GSPGSPGSPGSVPKN	100 / 7 AA	95
Phosphosite 19:	COL22A1	Q8NFW1	S1334	GKNGSPGSPGEPGPS	100 / 7 AA	161
Phosphosite 20:	COL4A3	Q01955	S1108	GAPGSPGSPGLPGKP	100 / 7 AA	162