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:	Y507
P-Site Sequence:	ATFSHYYYMILSRGQ
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	Y507	ATFSHYYYMILSRGQ	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	Y507	ATFSHYYYMILSRGQ	100 / 9 AA	193
Phosphosite 2:	C4B	P0C0L5	Y506	GATFSHYYYMILSRG	100 / 8 AA	193
Phosphosite 3:	C4A	P0C0L4	Y506	GATFSHYYYMILSRG	100 / 8 AA	193
Phosphosite 4:	C4B	P0C0L5	Y505	SGATFSHYYYMILSR	100 / 7 AA	193
Phosphosite 5:	C4A	P0C0L4	Y505	SGATFSHYYYMILSR	100 / 7 AA	193
Phosphosite 6:	C5	P01031	Y501	DKITHYNYLILSKGK	66 / 9 AA	188
Phosphosite 7:	MYH7B	A7E2Y1	Y290	ERSYHVYYQILSGRK	75 / 8 AA	221
Phosphosite 8:	KCNE2	Q9Y6J6	Y47	KVDAENFYYVILYLM	57 / 7 AA	14
Phosphosite 9:	DLD	P09622	Y97	ALLNNSHYYHMAHGT	83 / 6 AA	54
Phosphosite 10:	CNR2	P34972	S29	MKDYMILSGPQKTAV	100 / 5 AA	40
Phosphosite 11:	DLD	P09622	Y98	LLNNSHYYHMAHGTD	83 / 6 AA	54
Phosphosite 12:	BRWD1	Q9NSI6	Y507	KGTKMKHYFNMIEGQ	66 / 6 AA	263
Phosphosite 13:	CNR2	P34972	Y25	DSNPMKDYMILSGPQ	100 / 5 AA	40
Phosphosite 14:	KCNE2	Q9Y6J6	Y48	VDAENFYYVILYLMV	57 / 7 AA	14
Phosphosite 15:	PEX11A	O75192	Y128	TRAAHHYYYSLLLSL	71 / 7 AA	28
Phosphosite 16:	URG4	Q8TCY9	Y384	KESTTKYYFILSPYR	83 / 6 AA	105
Phosphosite 17:	PEX11A	O75192	Y129	RAAHHYYYSLLLSLV	71 / 7 AA	28
Phosphosite 18:	CRAT	P43155	Y174	PLCMNQYYQILSSCR	83 / 6 AA	71
Phosphosite 19:	SLC35F1	Q5T1Q4	Y132	LRRRWWKYMILGLID	44 / 9 AA	45
Phosphosite 20:	MYH11	P35749	Y285	ERTFHIFYYMIAGAK	80 / 5 AA	227