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:	S1294
P-Site Sequence:	AWLTRQGSFQGGFRS
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	S1294	AWLTRQGSFQGGFRS	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	S1294	AWLTRQGSFQGGFRS	100 / 9 AA	193
Phosphosite 2:	FLJ14262	Q9H7U1	S789	SFSPWQGSFQGIPRT	85 / 7 AA	94
Phosphosite 3:	ARID1B	Q8NFD5	S950	SAQSRQGSFPGMNQS	75 / 8 AA	236
Phosphosite 4:	FLJ12707	Q9H9C1	S121	RGRTRPGSFQSLSDA	75 / 8 AA	57
Phosphosite 5:	NUMB	P49757	S276	EQLARQGSFRGFPAL	75 / 8 AA	71
Phosphosite 6:	PHACTR3	Q96KR7	S309	ATKHRQDSFQGRESK	85 / 7 AA	63
Phosphosite 7:	NUMBL	Q9Y6R0	S305	EQLVRQGSFRGFPAL	75 / 8 AA	65
Phosphosite 8:	BEST2	Q8NFU1	S359	VFQLRQPSFQGSTFD	75 / 8 AA	57
Phosphosite 9:	RMI1	Q9H9A7	S284	TIPTRQSSFEPEFVI	71 / 7 AA	70
Phosphosite 10:	RMI1	Q9H9A7	S283	NTIPTRQSSFEPEFV	71 / 7 AA	70
Phosphosite 11:	NAGLU	P54802	S396	PVYTRTASFQGQPFI	75 / 8 AA	82
Phosphosite 12:	NUMB	P49757	S194	TTFTREGSFRVTTAT	71 / 7 AA	71
Phosphosite 13:	SHC1	P29353	S139	EEWTRHGSFVNKPTR	83 / 6 AA	63
Phosphosite 14:	glycogenin	P46976	S158	HLASEQGSFDGGDQG	85 / 7 AA	39
Phosphosite 15:	MYPN	Q86TC9	S627	TRQTRPDSFQERFNG	62 / 8 AA	145
Phosphosite 16:	CD1D	P15813	S330	SRFKRQTSYQGVL__	71 / 7 AA	38
Phosphosite 17:	CD1D	P15813	Y331	RFKRQTSYQGVL___	71 / 7 AA	38
Phosphosite 18:	BCAS3	Q9H6U6	S706	GPITRHGSYDSLASD	50 / 8 AA	101
Phosphosite 19:	BCL9	O00512	S1164	GPSGGQGSFPGGMGF	85 / 7 AA	149
Phosphosite 20:	ZNF701	Q9NV72	S214	EVHTREKSFQRNESG	71 / 7 AA	54