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:	S253
P-Site Sequence:	GEVGQQGSPGPTLLV
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	S253	GEVGQQGSPGPTLLV	100 / 9 AA	164
Phosphosite 1:	COL11A2	P13942	S1304	GEPGQPGSPGPTGEN	88 / 9 AA	172
Phosphosite 2:	COL5A1	P20908	S1376	GEPGQTGSPGPTGEP	88 / 9 AA	184
Phosphosite 3:	COL5A3	P25940	S609	GLLGPRGSPGPTGRP	77 / 9 AA	172
Phosphosite 4:	COL22A1	Q8NFW1	S962	GAAGEEGSPGPVGPR	66 / 9 AA	161
Phosphosite 5:	COL1A1	P02452	S513	GPAGERGSPGPAGPK	66 / 9 AA	139
Phosphosite 6:	COL4A1	P02462	S892	GTPGQPGSPGPVGAP	77 / 9 AA	161
Phosphosite 7:	COL20A1	Q9P218	S1125	GPGGQQGSPGTQGRA	100 / 7 AA	136
Phosphosite 8:	COL18A1	P39060	S1170	GSKGERGSPGPKGEK	66 / 9 AA	178
Phosphosite 9:	COL24A1	Q17RW2	S877	GEKGERGSPGPLGPQ	75 / 8 AA	175
Phosphosite 10:	COL10A1	Q03692	T61	AVRGEQGTPGPPGPA	75 / 8 AA	66
Phosphosite 11:	GMIP	Q9P107	T414	TGWRWQGTPGPTPGS	85 / 7 AA	107
Phosphosite 12:	COL2A1	P02458	S319	GSPGENGSPGPMGPR	66 / 9 AA	142
Phosphosite 13:	BEAN	Q3B7T3	S244	GPRGSQGSPTPTRAP	77 / 9 AA	29
Phosphosite 14:	GATA3	P23771	S126	KTSIHHGSPGPLSVY	71 / 7 AA	48
Phosphosite 15:	COL11A2	P13942	T653	GPPGQQGTPGTQGLP	85 / 7 AA	172
Phosphosite 16:	C3orf67	Q6ZVT6	S414	GNHSIQGSRGPTTGP	85 / 7 AA	76
Phosphosite 17:	COL19A1	Q14993	S529	GLKGQQGSAGSMGPR	66 / 9 AA	115
Phosphosite 18:	C1orf118	Q8NBZ9	S122	DAAPRQGSPGPGPAR	85 / 7 AA	25
Phosphosite 19:	MAGI2	Q86UL8	S1281	SDPSHQISPGPTWDI	66 / 9 AA	159
Phosphosite 20:	ALX3	O95076	S124	GPSNLQGSPGPCLAS	100 / 6 AA	37