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:	S425
P-Site Sequence:	GSPGCAGSPGLPGSP
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	S425	GSPGCAGSPGLPGSP	100 / 9 AA	162
Phosphosite 1:	COL16A1	Q07092	S1019	GDPGCVGSPGLPGPP	88 / 9 AA	158
Phosphosite 2:	COL4A1	P02462	S1110	GSVGYPGSPGLPGEK	77 / 9 AA	161
Phosphosite 3:	COL4A3	Q01955	S1108	GAPGSPGSPGLPGKP	77 / 9 AA	162
Phosphosite 4:	LGI4	Q8N135	S43	DSALCEGSPDLPVSF	75 / 8 AA	59
Phosphosite 5:	COL7A1	Q02388	S2279	GSPGVPGSPGLPGPV	77 / 9 AA	295
Phosphosite 6:	COL4A2	P08572	S1475	GAPGRPGSPGLPGMP	77 / 9 AA	168
Phosphosite 7:	COL5A3	P25940	T1188	GPTGSEGTPGLPGGV	66 / 9 AA	172
Phosphosite 8:	COL4A6	Q14031	S1055	GSQGIRGSPGLPGAS	77 / 9 AA	164
Phosphosite 9:	COL12A1	Q99715	T2825	GLPGRTGTPGLPGPP	66 / 9 AA	333
Phosphosite 10:	COL16A1	Q07092	S1492	GRPGAPGSPGLPGQI	77 / 9 AA	158
Phosphosite 11:	COL9A1	P20849	S635	GELGPVGSPGLPGKL	77 / 9 AA	92
Phosphosite 12:	COL16A1	Q07092	S1420	GAPGPSGSPGLPGVP	77 / 9 AA	158
Phosphosite 13:	HES3	Q5TGS1	S167	ASSRCAESPGLGLRV	85 / 7 AA	20
Phosphosite 14:	COL4A5	P29400	S879	GPIGPPGSPGLPGKA	77 / 9 AA	161
Phosphosite 15:	COL4A3	Q01955	S104	GLPGFSGSPGLPGTP	77 / 9 AA	162
Phosphosite 16:	AGBL5	Q8NDL9	T828	ELGSCSATPGLPQAR	55 / 9 AA	98
Phosphosite 17:	COL4A1	P02462	S1036	GIPGPQGSPGLPGDK	77 / 9 AA	161
Phosphosite 18:	COL22A1	Q8NFW1	S730	GPPGPGGSPGLPGEI	77 / 9 AA	161
Phosphosite 19:	COL6A1	P12109	S348	GLPGCKGSPGFDGIQ	75 / 8 AA	109
Phosphosite 20:	SUPT7L	O94864	S108	PLPSCPGSPPLPDDL	66 / 9 AA	46