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:	COL4A4
Human P-Site:	Y1541
P-Site Sequence:	AQRNDRSYWLASAAP
UniProt:	P53420
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	COL4A4	P53420	Y1541	AQRNDRSYWLASAAP	100 / 9 AA	164
Phosphosite 1:	COL4A4	P53420	S1540	YAQRNDRSYWLASAA	100 / 8 AA	164
Phosphosite 2:	COL4A6	Q14031	Y1543	ARRNDKSYWLSTTAP	66 / 9 AA	164
Phosphosite 3:	COL4A2	P08572	Y1565	ASRNDKSYWLSTTAP	66 / 9 AA	168
Phosphosite 4:	COL4A6	Q14031	S1542	YARRNDKSYWLSTTA	75 / 8 AA	164
Phosphosite 5:	COL4A2	P08572	S1564	YASRNDKSYWLSTTA	75 / 8 AA	168
Phosphosite 6:	WDR42A	Q5TAQ9	T206	LHFNQRGTWLASGSD	66 / 9 AA	67
Phosphosite 7:	FARS2	O95363	S368	PAVINDISFWLPSEN	62 / 8 AA	52
Phosphosite 8:	TCN1	P20061	Y401	ANNNDRTYWELLSGG	83 / 6 AA	48
Phosphosite 9:	COL4A3	Q01955	Y1521	ASRNDYSYWLSTPAL	66 / 9 AA	162
Phosphosite 10:	COL4A5	P29400	Y1537	ASRNDYSYWLSTPEP	66 / 9 AA	161
Phosphosite 11:	COL4A1	P02462	Y1521	ASRNDYSYWLSTPEP	66 / 9 AA	161
Phosphosite 12:	RAB40C	Q96S21	Y241	VMMHGRSYSLASGAG	66 / 9 AA	31
Phosphosite 13:	ABCA2	Q9BZC7	Y935	YFPLQKSYWLGSGRT	62 / 8 AA	270
Phosphosite 14:	RAB40C	Q96S21	S242	MMHGRSYSLASGAGG	75 / 8 AA	31
Phosphosite 15:	COL4A3	Q01955	S1520	FASRNDYSYWLSTPA	75 / 8 AA	162
Phosphosite 16:	COL4A5	P29400	S1536	FASRNDYSYWLSTPE	75 / 8 AA	161
Phosphosite 17:	COL4A1	P02462	S1520	FASRNDYSYWLSTPE	75 / 8 AA	161
Phosphosite 18:	COL4A3	Q01955	Y1519	NFASRNDYSYWLSTP	85 / 7 AA	162
Phosphosite 19:	COL4A5	P29400	Y1535	NFASRNDYSYWLSTP	85 / 7 AA	161
Phosphosite 20:	COL4A1	P02462	Y1519	NFASRNDYSYWLSTP	85 / 7 AA	161