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:	C4B
Human P-Site:	Y581
P-Site Sequence:	SVDGAKQYRNGESVK
UniProt:	P0C0L5
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C4B	P0C0L5	Y581	SVDGAKQYRNGESVK	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	Y581	SVDGAKQYRNGESVK	100 / 9 AA	193
Phosphosite 2:	NARG1	Q9BXJ9	Y26	RCYEHKQYRNGLKFC	100 / 6 AA	101
Phosphosite 3:	C1orf51	Q8N365	S97	AGSGAKRSRDGELET	66 / 9 AA	41
Phosphosite 4:	TNXB	P22105	Y2103	FDHFLVQYRNGDGQP	83 / 6 AA	464
Phosphosite 5:	MOXD2	A6NHM9	Y402	RALQAVQYRNGTQLR	85 / 7 AA	56
Phosphosite 6:	ZNF329	Q86UD4	Y203	NLPGEKQYRCTECGK	66 / 9 AA	62
Phosphosite 7:	CAPS2	Q9BXY5	Y360	GRRKGKQYRLGDFYV	62 / 8 AA	64
Phosphosite 8:	KLHL26	Q53HC5	Y373	AGGQHLQYRSGEGAV	83 / 6 AA	68
Phosphosite 9:	ZFHX3	Q15911	Y2022	LERFAKQYRDHYDKL	83 / 6 AA	404
Phosphosite 10:	NARG1L	Q6N069	Y26	KCYEQKQYKNGLKFC	83 / 6 AA	101
Phosphosite 11:	DISP1	Q96F81	Y389	LRTCAKHYQNGTLGP	71 / 7 AA	170
Phosphosite 12:	ZNF845	Q96IR2	Y243	IHLGAKQYKCDVCGK	83 / 6 AA	113
Phosphosite 13:	TTC39C	Q8N584	Y55	SDQLFKQYRNHSPLM	100 / 5 AA	66
Phosphosite 14:	RYR3	Q15413	Y4169	LKNLRKQYRNVKKMT	100 / 5 AA	552
Phosphosite 15:	PLEC1	Q15149	Y1412	CQRFAKQYINAIKDY	71 / 7 AA	532
Phosphosite 16:	TNXB	P22105	Y2399	FDHFLVQYKNGDGQP	66 / 6 AA	464
Phosphosite 17:	ADAMTS19	Q8TE59	Y677	CNGPRKQYRICENPP	71 / 7 AA	134
Phosphosite 18:	DCAMKL2	Q8N568	Y77	KAKKARFYRNGDRYF	62 / 8 AA	84
Phosphosite 19:	DST	Q03001	Y1761	AESEAKQYRRELETI	100 / 5 AA	372
Phosphosite 20:	TMEM151B	Q8IW70	Y182	RTRQVTRYRNGDAYT	50 / 8 AA	62