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:	C4A
Human P-Site:	Y1570
P-Site Sequence:	ERRCSVFYGAPSKSR
UniProt:	P0C0L4
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C4A	P0C0L4	Y1570	ERRCSVFYGAPSKSR	100 / 9 AA	193
Phosphosite 1:	C4B	P0C0L5	Y1570	ERRCSVFYGAPSKSR	100 / 9 AA	193
Phosphosite 2:	ADAT3	Q96EY9	Y308	ARILRVFYGAPSPDG	87 / 8 AA	38
Phosphosite 3:	C4B	P0C0L5	S1567	YNPERRCSVFYGAPS	100 / 6 AA	193
Phosphosite 4:	C4A	P0C0L4	S1567	YNPERRCSVFYGAPS	100 / 6 AA	193
Phosphosite 5:	ACSS1	Q9NUB1	Y385	RLKINQFYGAPTAVR	55 / 9 AA	75
Phosphosite 6:	MDFI	Q99750	Y16	PSGCDAPYGAPSAAP	66 / 9 AA	25
Phosphosite 7:	NOL9	Q5SY16	Y374	TPQKMVYYGKPSCKN	71 / 7 AA	79
Phosphosite 8:	LAMA1	P25391	Y777	EQCLPGFYGEPSRGT	83 / 6 AA	337
Phosphosite 9:	ZMYND11	Q15326	Y191	LHNTVIFYGADSEQA	71 / 7 AA	66
Phosphosite 10:	KLKBL4	Q6PEW0	S36	SCGVQKASVFYGPDP	100 / 5 AA	44
Phosphosite 11:	NLRP11	P59045	Y630	REICSLFYTMESLRE	55 / 9 AA	118
Phosphosite 12:	CCDC120	Q96HB5	Y602	YEVGQALYGAPSQAP	71 / 7 AA	68
Phosphosite 13:	ATXN1	P54253	Y334	EMEKSRRYGAPSSAD	75 / 8 AA	87
Phosphosite 14:	TCHHL1	Q5QJ38	S847	TSEISDCSVFFNYSQ	66 / 6 AA	99
Phosphosite 15:	USP24	Q9UPU5	Y1733	NPDDSVFYQVQSLFG	62 / 8 AA	294
Phosphosite 16:	RTTN	Q86VV8	Y1258	VTDAPHFYGLPSLER	83 / 6 AA	249
Phosphosite 17:	OR2D3	Q8NGH3	Y294	DKMISVFYTAVTPML	55 / 9 AA	37
Phosphosite 18:	ABCC1	P33527	Y1508	DKGEIQEYGAPSDLL	100 / 5 AA	172
Phosphosite 19:	PIGG	Q5H8A4	Y161	AGKRIVFYGDETWVK	57 / 7 AA	108
Phosphosite 20:	ATXN1	P54253	S338	SRRYGAPSSADLGLG	100 / 5 AA	87