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:	S1520
P-Site Sequence:	FASRNDYSYWLSTPA
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	S1520	FASRNDYSYWLSTPA	100 / 9 AA	162
Phosphosite 1:	COL4A5	P29400	S1536	FASRNDYSYWLSTPE	100 / 9 AA	161
Phosphosite 2:	COL4A1	P02462	S1520	FASRNDYSYWLSTPE	100 / 9 AA	161
Phosphosite 3:	COL4A3	Q01955	Y1519	NFASRNDYSYWLSTP	100 / 8 AA	162
Phosphosite 4:	COL4A5	P29400	Y1535	NFASRNDYSYWLSTP	100 / 8 AA	161
Phosphosite 5:	COL4A1	P02462	Y1519	NFASRNDYSYWLSTP	100 / 8 AA	161
Phosphosite 6:	COL4A3	Q01955	Y1521	ASRNDYSYWLSTPAL	100 / 8 AA	162
Phosphosite 7:	COL4A5	P29400	Y1537	ASRNDYSYWLSTPEP	100 / 8 AA	161
Phosphosite 8:	COL4A1	P02462	Y1521	ASRNDYSYWLSTPEP	100 / 8 AA	161
Phosphosite 9:	COL4A6	Q14031	S1542	YARRNDKSYWLSTTA	88 / 9 AA	164
Phosphosite 10:	COL4A2	P08572	S1564	YASRNDKSYWLSTTA	88 / 9 AA	168
Phosphosite 11:	COL4A4	P53420	S1540	YAQRNDRSYWLASAA	77 / 9 AA	164
Phosphosite 12:	COL4A6	Q14031	Y1543	ARRNDKSYWLSTTAP	87 / 8 AA	164
Phosphosite 13:	COL4A2	P08572	Y1565	ASRNDKSYWLSTTAP	87 / 8 AA	168
Phosphosite 14:	TRO	Q12816	Y7	_MDRRNDYGYRVPLF	62 / 8 AA	144
Phosphosite 15:	FARS2	O95363	S368	PAVINDISFWLPSEN	62 / 8 AA	52
Phosphosite 16:	COL4A4	P53420	Y1541	AQRNDRSYWLASAAP	75 / 8 AA	164
Phosphosite 17:	POLI	Q9UNA4	Y596	YMSSQKDYSYYLDNR	62 / 8 AA	80
Phosphosite 18:	GLT25D1	Q8NBJ5	Y492	RNLVEADYSYWTLAY	100 / 5 AA	72
Phosphosite 19:	GLT25D2	Q8IYK4	Y493	ANLVEADYSYWTLGY	100 / 5 AA	73
Phosphosite 20:	POLI	Q9UNA4	S597	MSSQKDYSYYLDNRL	62 / 8 AA	80