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:	S1513
P-Site Sequence:	SLSDRYVSHFETEGP
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	S1513	SLSDRYVSHFETEGP	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	S1513	SLSDRYVSHFETEGP	100 / 9 AA	193
Phosphosite 2:	C4B	P0C0L5	Y1511	LTSLSDRYVSHFETE	100 / 7 AA	193
Phosphosite 3:	C4A	P0C0L4	Y1511	LTSLSDRYVSHFETE	100 / 7 AA	193
Phosphosite 4:	C9orf125	Q9BRR3	S151	CNVERSVSHFDAKLL	55 / 9 AA	47
Phosphosite 5:	TSHZ1	Q6ZSZ6	S987	RTASTYISHLETHLG	71 / 7 AA	118
Phosphosite 6:	TNN	Q9UQP3	Y827	VQATIDRYVVHYTSA	71 / 7 AA	144
Phosphosite 7:	APOA1	P02647	S55	DSGRDYVSQFEGSAL	83 / 6 AA	31
Phosphosite 8:	POLR1B	Q9H9Y6	Y465	DKLNFIRYLSHFRCV	83 / 6 AA	128
Phosphosite 9:	HSPA1L	P34931	S241	DFDNRLVSHFVEEFK	71 / 7 AA	70
Phosphosite 10:	EVI5L	Q96CN4	S458	RLTEDFVSHLETELE	71 / 7 AA	91
Phosphosite 11:	N4BP2L2	Q92802	Y360	GCSMQDRYVSNGFCE	83 / 6 AA	67
Phosphosite 12:	N4BP2L2	Q92802	S362	SMQDRYVSNGFCEVR	83 / 6 AA	67
Phosphosite 13:	ALG12	Q9BV10	Y364	AYSATALYVSHFNYP	100 / 5 AA	55
Phosphosite 14:	ALG12	Q9BV10	S366	SATALYVSHFNYPGG	83 / 6 AA	55
Phosphosite 15:	HERC4	Q5GLZ8	Y231	LNDENDRYVPNLLKS	57 / 7 AA	119
Phosphosite 16:	MC5R	P33032	T143	IAVDRYVTIFYALRY	71 / 7 AA	37
Phosphosite 17:	VPS41	P49754	S263	SRYVEIVSQFETEFY	83 / 6 AA	99
Phosphosite 18:	SCN7A	Q01118	S1415	EAGINDVSNFETFGN	83 / 6 AA	193
Phosphosite 19:	MTMR8	Q96EF0	S20	KLVDRYVSKKPANGI	100 / 5 AA	79
Phosphosite 20:	FANCA	O15360	Y579	SIFRRPYYVSHFLPA	100 / 5 AA	163