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:	Y1737
P-Site Sequence:	LNDFLQEYGTQGCQV
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	Y1737	LNDFLQEYGTQGCQV	100 / 9 AA	193
Phosphosite 1:	C4B	P0C0L5	Y1737	LNDFLQEYGTQGCQV	100 / 9 AA	193
Phosphosite 2:	TRBP	Q15633	Y38	PISLLQEYGTRIGKT	75 / 8 AA	39
Phosphosite 3:	HAP95	Q9ULX6	Y435	TADFLQEYVTNKTKK	85 / 7 AA	72
Phosphosite 4:	SLC15A5	A6NIM6	Y184	GAFGLQEYGSQKTMS	85 / 7 AA	65
Phosphosite 5:	LEFTY2	O00292	Y245	HTLDLRDYGAQGDCD	62 / 8 AA	41
Phosphosite 6:	PARP12	Q9H0J9	Y391	EFGSWQEYGRQGTVH	75 / 8 AA	79
Phosphosite 7:	JMJD1A	Q9Y4C1	Y1226	RKRLHQEYGVQGWAI	66 / 9 AA	147
Phosphosite 8:	ERBB4	Q15303	Y1262	HPDYLQEYSTKYFYK	62 / 8 AA	147
Phosphosite 9:	ACAD10	Q6JQN1	Y411	QAVGLEDYGKQGDYI	62 / 8 AA	119
Phosphosite 10:	TRS85	Q9Y2L5	Y218	YEEMKQKYGTQGCYL	85 / 7 AA	161
Phosphosite 11:	EPPK1	P58107	Y1792	KRELIQEYGAQSGGL	55 / 9 AA	553
Phosphosite 12:	CLCA1	A8K7I4	Y147	AGKKLAEYGPQGRAF	75 / 8 AA	100
Phosphosite 13:	AP1M1	Q9BXS5	Y134	DSKILQEYITQEGHK	75 / 8 AA	49
Phosphosite 14:	C9	P02748	Y342	YFAFLETYGTHYSSS	62 / 8 AA	63
Phosphosite 15:	AP1M2	Q9Y6Q5	Y134	DSKILQEYITQQSNK	75 / 8 AA	48
Phosphosite 16:	KNDC1	Q76NI1	Y1467	GPYFLTEYSTHQLFS	62 / 8 AA	191
Phosphosite 17:	KIAA1033	Q2M389	Y38	YGKFLEEYTSQLRRI	62 / 8 AA	136
Phosphosite 18:	LIPE	Q05469	Y457	TADFLREYVTLHKGC	71 / 7 AA	117
Phosphosite 19:	TSPAN4	O14817	Y126	LKKGLHLYGTQGNVG	75 / 8 AA	26
Phosphosite 20:	PIK3R1	P27986	Y452	VGKKLHEYNTQFQEK	71 / 7 AA	84