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:	S276
P-Site Sequence:	EPGPPGPSGLPGESY
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	S276	EPGPPGPSGLPGESY	100 / 9 AA	162
Phosphosite 1:	COL9A3	Q14050	S144	LRGPPGPSGLPGLPG	100 / 9 AA	64
Phosphosite 2:	COL24A1	Q17RW2	S1181	HQGQPGPSGLPGPKG	100 / 8 AA	175
Phosphosite 3:	COL22A1	Q8NFW1	S1233	PPGPQGPSGLPGIPG	88 / 9 AA	161
Phosphosite 4:	COL1A2	P08123	S639	TAGPSGPSGLPGERG	88 / 9 AA	129
Phosphosite 5:	COL4A5	P29400	S1047	VEGPPGPSGVPGQPG	88 / 9 AA	161
Phosphosite 6:	COL7A1	Q02388	S2235	LPGPPGPSGLVGPQG	88 / 9 AA	295
Phosphosite 7:	COL1A1	P02452	T478	ARGEPGPTGLPGPPG	87 / 8 AA	139
Phosphosite 8:	COL5A3	P25940	S1387	PPGPLGPSGLPGLKG	88 / 9 AA	172
Phosphosite 9:	EMID1	Q96A84	T311	PPGPPGPTGVPGSPG	77 / 9 AA	45
Phosphosite 10:	WNT6	Q9Y6F9	S146	GRAPPRPSGLPGTPG	88 / 9 AA	40
Phosphosite 11:	COL16A1	Q07092	S1194	SEGIRGPSGLPGSPG	87 / 8 AA	158
Phosphosite 12:	COL23A1	Q86Y22	S450	ASGERGPSGLPGPVG	87 / 8 AA	52
Phosphosite 13:	PI5PA	Q15735	S942	GSSEEGPSGLPGPWA	100 / 7 AA	107
Phosphosite 14:	COL4A6	Q14031	S1421	IPGKDGPSGLPGPPG	100 / 7 AA	164
Phosphosite 15:	COL4A6	Q14031	S1062	SPGLPGASGLPGLKG	87 / 8 AA	164
Phosphosite 16:	COL1A2	P08123	S801	RTGPPGPSGISGPPG	77 / 9 AA	129
Phosphosite 17:	ATN1	P54259	S698	PLPPAGPSGLPSLPP	87 / 8 AA	125
Phosphosite 18:	COL16A1	Q07092	S389	ESGALGPSGLPGSTG	100 / 7 AA	158
Phosphosite 19:	COL25A1	Q9BXS0	Y585	EPGPRGPYGLPGKDG	77 / 9 AA	65
Phosphosite 20:	NPHS1	O60500	S1058	TEPPSGPSGLPLLPV	87 / 8 AA	135