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:	Y856
P-Site Sequence:	LELRPVLYNYLDKNL
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	Y856	LELRPVLYNYLDKNL	100 / 9 AA	193
Phosphosite 1:	C4B	P0C0L5	Y856	LELRPVLYNYLDKNL	100 / 9 AA	193
Phosphosite 2:	C4B	P0C0L5	Y858	LRPVLYNYLDKNLTV	100 / 7 AA	193
Phosphosite 3:	C4A	P0C0L4	Y858	LRPVLYNYLDKNLTV	100 / 7 AA	193
Phosphosite 4:	FIGN	Q5HY92	S89	PVDRPVLSNYSDTPS	77 / 9 AA	82
Phosphosite 5:	DOR1	P41143	Y318	SSLNPVLYAFLDENF	75 / 8 AA	40
Phosphosite 6:	OPRM1	P35372	Y338	SCLNPVLYAFLDENF	75 / 8 AA	45
Phosphosite 7:	DNAH17	Q9UFH2	Y4063	SINVLYNYLEANPKV	85 / 7 AA	512
Phosphosite 8:	C3	P01024	Y852	VEIRAVLYNYRQNQE	85 / 7 AA	187
Phosphosite 9:	CGNL1	Q0VF96	Y560	ETAKQILYNYLKEGS	55 / 9 AA	149
Phosphosite 10:	KOR-1	P41145	Y330	SSLNPILYAFLDENF	62 / 8 AA	43
Phosphosite 11:	LEPREL1	Q8IVL5	Y151	DFQRRVPYNYLQRAY	66 / 9 AA	81
Phosphosite 12:	SERPINH1	P50454	Y243	MMHRTGLYNYYDDEK	66 / 9 AA	46
Phosphosite 13:	SSTR5	P35346	Y304	SCANPVLYGFLSDNF	71 / 7 AA	39
Phosphosite 14:	DDX58	O95786	Y390	YNMIMFNYLDQKLGG	57 / 7 AA	107
Phosphosite 15:	HTT	P42858	Y1357	SSVRPGLYHYCFMAP	71 / 7 AA	348
Phosphosite 16:	RIF1	Q5UIP0	Y1083	RCDIPAMYNNLDVSQ	62 / 8 AA	274
Phosphosite 17:	EARS2	Q5JPH6	Y59	GGLRTALYNYIFAKK	62 / 8 AA	59
Phosphosite 18:	CGNL1	Q0VF96	Y562	AKQILYNYLKEGSTD	83 / 6 AA	149
Phosphosite 19:	QIK	Q9H0K1	Y283	PVQRPVLYPQEQENE	100 / 5 AA	104
Phosphosite 20:	NOXA1	Q86UR1	Y402	AGGRPVLYQVVAQHS	83 / 6 AA	51