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:	S1361
P-Site Sequence:	LEEELQFSLGSKINV
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	S1361	LEEELQFSLGSKINV	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	S1361	LEEELQFSLGSKINV	100 / 9 AA	193
Phosphosite 2:	UGCGL2	Q9NYU1	T1111	PPRGLQFTLGTKNKP	75 / 8 AA	175
Phosphosite 3:	HISPPD1	O43314	S894	FHVELHFSPGAKGCE	66 / 9 AA	140
Phosphosite 4:	ROCK2	O75116	T1108	IRIELQMTLDSKDSD	66 / 9 AA	161
Phosphosite 5:	NPHP4	O75161	S448	GTLRFQFSLGSEEHL	85 / 7 AA	158
Phosphosite 6:	PWP1	Q13610	T233	DSLEPVFTLGSKLSK	66 / 9 AA	56
Phosphosite 7:	UGGT1	Q9NYU2	T1133	PPRGLQFTLGTSANP	71 / 7 AA	177
Phosphosite 8:	HR	O43593	S200	PKVPSAFSLGSKGFY	100 / 6 AA	127
Phosphosite 9:	MARK4	Q96L34	T207	FGFSNEFTLGSKLDT	71 / 7 AA	83
Phosphosite 10:	Tyro3	Q06418	T519	LIPEQQFTLGRMLGK	55 / 9 AA	97
Phosphosite 11:	C10orf18	Q5VWN6	S756	CETEYAFSLDSKYTN	66 / 9 AA	269
Phosphosite 12:	ESCO2	Q56NI9	S346	SLGEEQFSVGSVNFM	75 / 8 AA	68
Phosphosite 13:	USP29	Q9HBJ7	S435	FEFELQLSLICKACG	66 / 9 AA	104
Phosphosite 14:	ALDH1A2	O94788	S89	QAARLAFSLGSVWRR	85 / 7 AA	57
Phosphosite 15:	WDR91	A4D1P6	S557	MKQQLQFSLDPEPIA	62 / 8 AA	83
Phosphosite 16:	ZNF598	Q86UK7	S288	RHIDLQFSYAPRHSR	44 / 9 AA	99
Phosphosite 17:	DPP3	Q9NY33	S153	TCGELMFSLEPRLRH	55 / 9 AA	83
Phosphosite 18:	STK31	Q9BXU1	S137	IPLELQFSSVAKKYK	66 / 9 AA	116
Phosphosite 19:	DOCK9	Q9BZ29	Y1601	EMLVDLQYSLAKSYA	57 / 7 AA	236
Phosphosite 20:	RAPGEF2	Q9Y4G8	Y1200	TMIEPDQYSLGSYAP	83 / 6 AA	167