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:	S1232
P-Site Sequence:	GDNLYWGSVTGSQSN
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	S1232	GDNLYWGSVTGSQSN	100 / 9 AA	193
Phosphosite 1:	C4B	P0C0L5	S1232	GDNLYWGSVTGSQSN	100 / 9 AA	193
Phosphosite 2:	CISH	Q9NSE2	S86	ESGWYWGSITASEAR	66 / 9 AA	29
Phosphosite 3:	C4B	P0C0L5	Y1229	QETGDNLYWGSVTGS	100 / 6 AA	193
Phosphosite 4:	C4A	P0C0L4	Y1229	QETGDNLYWGSVTGS	100 / 6 AA	193
Phosphosite 5:	C4B	P0C0L5	T1234	NLYWGSVTGSQSNAV	100 / 7 AA	193
Phosphosite 6:	C4A	P0C0L4	T1234	NLYWGSVTGSQSNAV	100 / 7 AA	193
Phosphosite 7:	ULK2	Q8IYT8	S290	PVPMYSGSVSGSSCG	66 / 9 AA	113
Phosphosite 8:	SOCS3	O14543	S49	QESGFYWSAVTGGEA	62 / 8 AA	25
Phosphosite 9:	GRLF1	Q9NRY4	Y75	VNNDHFLYWGEVSRS	83 / 6 AA	172
Phosphosite 10:	CCDC108	Q6ZU64	S369	QKLLYFGSVAVGCTS	71 / 7 AA	217
Phosphosite 11:	Putative serine protease 47	A8MTI9	Y100	PWQASLLYWGSHLCG	100 / 5 AA	41
Phosphosite 12:	C6orf70	Q5T6L9	Y64	ESEQGLDYWGSVRLL	100 / 5 AA	78
Phosphosite 13:	SH3BGRL3	Q9H299	S10	GLRVYSTSVTGSREI	66 / 9 AA	10
Phosphosite 14:	ZNF234	Q14588	Y99	AGRHEELYWGQIWKQ	66 / 6 AA	81
Phosphosite 15:	MEF2C	Q06413	S346	ASALHLGSVTGWQQQ	75 / 8 AA	51
Phosphosite 16:	ERG	P11308	S462	APNPYWNSPTGGIYP	71 / 7 AA	55
Phosphosite 17:	C9orf82	Q9H8G2	S63	GNANFSGSVTGGGSG	71 / 7 AA	38
Phosphosite 18:	FBXL18	Q96ME1	T672	LRRWGEVTGRRPQLF	71 / 7 AA	88
Phosphosite 19:	PEMT	Q9UBM1	Y143	NILDNPMYWGSTANY	66 / 6 AA	22
Phosphosite 20:	HERC2	O95714	S2660	TPKYKWGSVTHQSVG	100 / 5 AA	527