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:	S419
P-Site Sequence:	DAMGTPGSPGCAGSP
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	S419	DAMGTPGSPGCAGSP	100 / 9 AA	162
Phosphosite 1:	SPNS2	Q8IVW8	T77	GPPGTPGTPGCAATA	88 / 9 AA	58
Phosphosite 2:	COL2A1	P02458	S400	GEPGTPGSPGPAGAS	88 / 9 AA	142
Phosphosite 3:	COL4A4	P53420	S1092	GPKGEPGSPGCPGHF	77 / 9 AA	164
Phosphosite 4:	COL4A6	Q14031	S883	GLKGSPGSPGVAGLP	77 / 9 AA	164
Phosphosite 5:	Bright	Q99856	S101	AREGTPGSPGRGREG	87 / 8 AA	63
Phosphosite 6:	SNX20	Q7Z614	S9	ASPEHPGSPGCMGPI	100 / 6 AA	36
Phosphosite 7:	CO3A1	P02461	S196	GHPGSPGSPGYQGPP	75 / 8 AA	139
Phosphosite 8:	MUC19	Q7Z5P9	T1439	SKPGTPGTPGGATSG	77 / 9 AA	598
Phosphosite 9:	TRAK1	Q9UPV9	T489	KKPGTPGTPGSHDLE	75 / 8 AA	106
Phosphosite 10:	ZNF444	Q8N0Y2	S235	THPGSPGSPGPALRP	77 / 9 AA	35
Phosphosite 11:	COL4A3	Q01955	S606	GDPGSPGSPGPAGPA	77 / 9 AA	162
Phosphosite 12:	CO3A1	P02461	S1120	GNPGAPGSPGPAGQQ	77 / 9 AA	139
Phosphosite 13:	EMID1	Q96A84	S231	GPQGPPGSPGRAGAV	77 / 9 AA	45
Phosphosite 14:	SMEK1	Q6IN85	S780	GSPGSPGSPGSVPKN	66 / 9 AA	95
Phosphosite 15:	COL9A2	Q14055	T314	GKDGTPGTPGMKGSA	85 / 7 AA	65
Phosphosite 16:	COL22A1	Q8NFW1	S1035	GAPGIPGSPGSRGDP	75 / 8 AA	161
Phosphosite 17:	COL19A1	Q14993	T657	GLPGTPGTPGNDGVP	85 / 7 AA	115
Phosphosite 18:	COL12A1	Q99715	S2864	GPPGSPGSPGVTGPS	66 / 9 AA	333
Phosphosite 19:	COL8A2	P25067	S514	GPPGVPGSPGITGPP	66 / 9 AA	67
Phosphosite 20:	COL21A1	Q96P44	S492	GTPGVPGSPGIQGAR	75 / 8 AA	99