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:	S447
P-Site Sequence:	TISELQLSVSAGSPH
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	S447	TISELQLSVSAGSPH	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	S447	TISELQLSVSAGSPH	100 / 9 AA	193
Phosphosite 2:	C4B	P0C0L5	S449	SELQLSVSAGSPHPA	100 / 7 AA	193
Phosphosite 3:	C4A	P0C0L4	S449	SELQLSVSAGSPHPA	100 / 7 AA	193
Phosphosite 4:	RYR3	Q15413	S185	SERYLHLSVSNGNIQ	75 / 8 AA	552
Phosphosite 5:	SYP	P08247	S54	YSGELQLSVDCANKT	100 / 6 AA	34
Phosphosite 6:	COL12A1	Q99715	S403	ADTEYQISVSAMKGM	75 / 8 AA	333
Phosphosite 7:	Tiam2	Q8IVF5	S662	KMAELQLSVVSDPKN	100 / 6 AA	193
Phosphosite 8:	PIK3C2A	O00443	S1645	RQRELQLSVLSAESL	100 / 6 AA	191
Phosphosite 9:	ZMYM5	Q9UJ78	S472	KTSQLQLSVECGTDT	66 / 9 AA	75
Phosphosite 10:	DPYSL3	Q14195	S329	ASGDLQLSGSAHCTF	75 / 8 AA	62
Phosphosite 11:	PIK3C2B	O00750	S1591	QQRELQLSVLSEQGF	100 / 6 AA	185
Phosphosite 12:	CTAG1A	P78358	S148	DHRQLQLSISSCLQQ	62 / 8 AA	18
Phosphosite 13:	VARS2	Q5ST30	S735	QAGDLHLSVSEVQSC	71 / 7 AA	118
Phosphosite 14:	COL15A1	P39059	S439	APGELDLSMSAQSLG	75 / 8 AA	142
Phosphosite 15:	TRIP11	Q15643	S1660	DETALQLSVSQEQVK	100 / 6 AA	228
Phosphosite 16:	C5	P01031	T1542	MQEELDLTISAETRK	62 / 8 AA	188
Phosphosite 17:	ZNF294	O94822	S1549	FTEELQLSIRETTML	71 / 7 AA	201
Phosphosite 18:	CREG1	O75629	S113	YLSPLQLSVSNLQEN	100 / 6 AA	24
Phosphosite 19:	SYNPO2	Q9UMS6	S202	PVVELQLSLSQERHK	85 / 7 AA	118
Phosphosite 20:	MAP3K15	Q6ZN16	S1044	SSEELHLSVGHIKQI	71 / 7 AA	147