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:	Y272
P-Site Sequence:	DIQARYIYGKPVQGV
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	Y272	DIQARYIYGKPVQGV	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	Y272	DIQARYIYGKPVQGV	100 / 9 AA	193
Phosphosite 2:	CD109	Q6YHK3	Y256	TITAKYTYGKPVKGD	77 / 9 AA	162
Phosphosite 3:	C4B	P0C0L5	Y270	QLDIQARYIYGKPVQ	100 / 7 AA	193
Phosphosite 4:	C4A	P0C0L4	Y270	QLDIQARYIYGKPVQ	100 / 7 AA	193
Phosphosite 5:	A2ML1	A8K2U0	Y246	KICCRYTYGKPMLGA	75 / 8 AA	161
Phosphosite 6:	CPAMD8	Q8IZJ3	T255	GTVRARYTFGKPVAG	75 / 8 AA	207
Phosphosite 7:	C3	P01024	Y261	TITARFLYGKKVEGT	66 / 9 AA	187
Phosphosite 8:	PZP	P20742	Y255	TVCGEYTYGKPVPGL	85 / 7 AA	164
Phosphosite 9:	A2M	P01023	Y256	SVCGLYTYGKPVPGH	85 / 7 AA	163
Phosphosite 10:	C17orf27	Q63HN8	Y2792	NPVAKIIYGDPVTFL	66 / 9 AA	374
Phosphosite 11:	DOCK10	Q96BY6	Y717	AKPLKCIYGKPGGPL	71 / 7 AA	249
Phosphosite 12:	CPVL	Q9H3G5	Y467	DMINRFIYGKGWDPY	83 / 6 AA	54
Phosphosite 13:	CRIP2	P52943	Y77	GGAGSYIYEKPLAEG	55 / 9 AA	22
Phosphosite 14:	TTN	Q8WZ42	Y23495	FKVDADIYGKPIPTI	83 / 6 AA	3816
Phosphosite 15:	CPAMD8	Q8IZJ3	Y254	TGTVRARYTFGKPVA	71 / 7 AA	207
Phosphosite 16:	TP53BP2	Q13625	Y645	GPHFSSVYGKPVIAA	83 / 6 AA	126
Phosphosite 17:	KIAA0586	Q9BVV6	Y632	EDYMLQVYGKPVYQG	83 / 6 AA	169
Phosphosite 18:	CPA3	P15088	Y348	RYETRYIYGPIESTI	83 / 6 AA	49
Phosphosite 19:	TM2D3	Q9BRN9	Y92	TTNFSCTYGKPVTFD	62 / 8 AA	27
Phosphosite 20:	ATHL1	Q32M88	Y160	FQGARYLYGHTLTPE	55 / 9 AA	81