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:	C4A
Human P-Site:	S310
P-Site Sequence:	TKLVNGQSHISLSKA
UniProt:	P0C0L4
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C4A	P0C0L4	S310	TKLVNGQSHISLSKA	100 / 9 AA	193
Phosphosite 1:	C4B	P0C0L5	S310	TKLVNGQSHISLSKA	100 / 9 AA	193
Phosphosite 2:	USP27X	A6NNY8	S255	ESSVNGESHIPGITT	75 / 8 AA	50
Phosphosite 3:	UHRF1BP1	Q6BDS2	S104	PRPPNGQSPIALASG	75 / 8 AA	159
Phosphosite 4:	KIAA0232	Q92628	S332	KKGRNGQSRLSLKHG	75 / 8 AA	155
Phosphosite 5:	DOCK11	Q5JSL3	S1449	AFLKNGQSEVSLKHV	75 / 8 AA	238
Phosphosite 6:	C4B	P0C0L5	S313	VNGQSHISLSKAEFQ	100 / 6 AA	193
Phosphosite 7:	C4A	P0C0L4	S313	VNGQSHISLSKAEFQ	100 / 6 AA	193
Phosphosite 8:	SS18L1	O75177	S128	GQIGNGPSHVSMQQT	62 / 8 AA	43
Phosphosite 9:	ADNP2	Q6IQ32	S329	SPPAAGQSHMTLVSS	71 / 7 AA	123
Phosphosite 10:	UNC5CL	Q8IV45	S261	SPLVPGQSHLQLRIY	66 / 9 AA	58
Phosphosite 11:	RbBP6	Q7Z6E9	S888	EDYVGGQSHRSRNIG	75 / 8 AA	202
Phosphosite 12:	TTF1	Q15361	S47	SSLVNEQSQITRRKK	62 / 8 AA	103
Phosphosite 13:	MLK2	Q02779	S472	LKLREGGSHISLPSG	75 / 8 AA	104
Phosphosite 14:	SHROOM4	Q9ULL8	S1061	RSRAFSESHISLAPQ	71 / 7 AA	166
Phosphosite 15:	MLL2	O14686	S4314	GCPVNGQSQLRGAFG	71 / 7 AA	564
Phosphosite 16:	HNF1A	P20823	S608	SDSSNGQSHLLPSNH	83 / 6 AA	67
Phosphosite 17:	SHROOM4	Q9ULL8	S1064	AFSESHISLAPQSTR	83 / 6 AA	166
Phosphosite 18:	ZNF592	Q92610	S1066	SLLESHISLMHGIRN	83 / 6 AA	138
Phosphosite 19:	MAML2	Q8IZL2	S226	LQINNGQSQIMSGTL	83 / 6 AA	125
Phosphosite 20:	AP1G2	O75843	S519	KVLQSHMSLPATRGY	83 / 6 AA	87