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:	T674
P-Site Sequence:	LSCPKEKTTRKKRNV
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	T674	LSCPKEKTTRKKRNV	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	T674	LSCPKEKTTRKKRNV	100 / 9 AA	193
Phosphosite 2:	CAD	P27708	S1872	AEEPKEKSSRKVAEP	75 / 8 AA	243
Phosphosite 3:	PRPF4B	Q13523	T212	IEIVKEKTTRSKSKE	87 / 8 AA	117
Phosphosite 4:	ARHGAP27	Q6ZUM4	S574	SWAPKDKSSRKNVLE	55 / 9 AA	98
Phosphosite 5:	SmcX	P41229	T256	GLMAKDKTLRKKDKE	66 / 9 AA	176
Phosphosite 6:	TEKT1	Q969V4	T51	LVDEIEKTTRKSQSD	100 / 6 AA	48
Phosphosite 7:	PDZD7	Q9H5P4	T179	IKFSKEKTTWVDVVN	71 / 7 AA	56
Phosphosite 8:	ARHGAP15	Q53QZ3	S151	IEWAKEKSSRKNVFQ	55 / 9 AA	55
Phosphosite 9:	PJVK	Q0ZLH3	T134	STLLKEITTRKINFD	85 / 7 AA	40
Phosphosite 10:	ARHGAP21	Q5T5U3	S1477	IIIAKENSTRKDPST	62 / 8 AA	217
Phosphosite 11:	SYNM	O15061	S571	KDSPKEKSVREREVP	55 / 9 AA	173
Phosphosite 12:	FN1	P02751	T1762	RVTPKEKTGPMKEIN	66 / 9 AA	263
Phosphosite 13:	SESN2	P58004	T435	VACYPEKTTRRMYNL	71 / 7 AA	54
Phosphosite 14:	AGAP4	Q96P64	S535	QTKPSEKSTREEKER	71 / 7 AA	73
Phosphosite 15:	CTGLF1	Q5VW22	S535	QTKPSEKSTREEKER	71 / 7 AA	73
Phosphosite 16:	AGAP8	Q5SRD3	S535	QTKPSEKSTREEKER	71 / 7 AA	73
Phosphosite 17:	ALO17	Q9HCF4	T293	GKEMKEKTQRMKQPP	75 / 8 AA	175
Phosphosite 18:	ARHGEF4	Q9NR80	T74	DDLWLEKTQRKKLQK	85 / 7 AA	79
Phosphosite 19:	MMP27	Q9H306	T384	DAAVCDKTTRKTYFF	83 / 6 AA	59
Phosphosite 20:	NCOR1	O75376	T686	LQQHKQKTSRKPREE	71 / 7 AA	270