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:	Y361
P-Site Sequence:	EAELTSWYFVSSPFS
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	Y361	EAELTSWYFVSSPFS	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	Y361	EAELTSWYFVSSPFS	100 / 9 AA	193
Phosphosite 2:	C4B	P0C0L5	S359	MEEAELTSWYFVSSP	100 / 7 AA	193
Phosphosite 3:	C4A	P0C0L4	S359	MEEAELTSWYFVSSP	100 / 7 AA	193
Phosphosite 4:	C4B	P0C0L5	T358	EMEEAELTSWYFVSS	100 / 6 AA	193
Phosphosite 5:	C4A	P0C0L4	T358	EMEEAELTSWYFVSS	100 / 6 AA	193
Phosphosite 6:	ATP5D	P30049	Y97	EDGTTSKYFVSSGSI	87 / 8 AA	17
Phosphosite 7:	CEP170	Q5SW79	S5	___MSLTSWFLVSSG	71 / 7 AA	175
Phosphosite 8:	CDKL5	O76039	Y516	AEPSTSRYFPSSCLD	75 / 8 AA	116
Phosphosite 9:	FOXC1	Q12948	Y474	QGRLTSWYLNQAGGD	83 / 6 AA	57
Phosphosite 10:	FOXC1	Q12948	T471	AAHQGRLTSWYLNQA	83 / 6 AA	57
Phosphosite 11:	FOXC1	Q12948	S472	AHQGRLTSWYLNQAG	83 / 6 AA	57
Phosphosite 12:	RPL18a	Q02543	Y46	VAKSRFWYFVSQLKK	100 / 5 AA	21
Phosphosite 13:	LIMK2	P53671	Y51	QDSLTNWYYEKDGKL	66 / 6 AA	72
Phosphosite 14:	LGI1	O95970	Y345	FKIENNWYFVVADSS	66 / 6 AA	64
Phosphosite 15:	NLRC3	Q7RTR2	Y364	PRTLCELYSWYFRMA	83 / 6 AA	115
Phosphosite 16:	C1orf186	Q6ZWK4	Y155	RHKPSFWYFVNPALS	66 / 6 AA	19
Phosphosite 17:	FAR1	Q8WVX9	Y494	QMARNIWYFVVSLCY	83 / 6 AA	59
Phosphosite 18:	RAPGEF4	Q8WZA2	Y395	GEEGTSWYIILKGSV	66 / 6 AA	116
Phosphosite 19:	CMYA5	Q8N3K9	Y3980	GQGETSWYMHCSEPQ	62 / 8 AA	449
Phosphosite 20:	UTX	O15550	Y288	PNSGQSWYFLGRCYS	57 / 7 AA	154