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:	S474
P-Site Sequence:	SGGPGFLSIERPDSR
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	S474	SGGPGFLSIERPDSR	100 / 9 AA	193
Phosphosite 1:	C4B	P0C0L5	S474	SGGPGFLSIERPDSR	100 / 9 AA	193
Phosphosite 2:	COL16A1	Q07092	S996	NCAQCFLSLERPRAE	85 / 7 AA	158
Phosphosite 3:	DBNDD1	Q9H9R9	T151	TVLDTFLTVERPQED	71 / 7 AA	17
Phosphosite 4:	CYTSA	Q69YQ0	S376	SESEGILSIERSRKG	75 / 8 AA	125
Phosphosite 5:	DMPK2	Q6DT37	S955	TAYEGFLSVPRPSGV	75 / 8 AA	173
Phosphosite 6:	ZNF536	O15090	S539	AMEHGFLSKEHPLQR	66 / 9 AA	141
Phosphosite 7:	MUC5B	Q9HC84	T5408	CNRPGFVTVTRPRAE	55 / 9 AA	590
Phosphosite 8:	KIAA1328	Q86T90	S213	ELDGSYLSIARPQTY	62 / 8 AA	65
Phosphosite 9:	INF2	Q27J81	S600	EAVEPDFSSIERLFS	75 / 8 AA	136
Phosphosite 10:	DCHS2	Q6V1P9	S102	SLYDGFLSYEAPQAF	75 / 8 AA	322
Phosphosite 11:	DCHS2	Q6V1P9	Y103	LYDGFLSYEAPQAFR	75 / 8 AA	322
Phosphosite 12:	B3GALT1	Q9Y5Z6	T26	ALWYLSITRPTSSYT	71 / 7 AA	38
Phosphosite 13:	ZCCHC2	Q9C0B9	S840	QQPPGSLSIASPNTA	66 / 9 AA	126
Phosphosite 14:	TAF172	O14981	T1457	LMPGFLGTERQFAAR	62 / 8 AA	207
Phosphosite 15:	CCDC76	Q9NUP7	S420	DCLPGLLSVEEKKKI	71 / 7 AA	54
Phosphosite 16:	PABPC3	Q9H361	S237	SKGFGFVSFERHEDA	62 / 8 AA	70
Phosphosite 17:	PABPC1	P11940	S237	SKGFGFVSFERHEDA	62 / 8 AA	71
Phosphosite 18:	ATG2B	Q96BY7	T1966	YDMVSPGTLSIEPKK	85 / 7 AA	233
Phosphosite 19:	ATG2B	Q96BY7	S1968	MVSPGTLSIEPKKTK	85 / 7 AA	233
Phosphosite 20:	HEAB	Q92989	Y167	PGTMGALYIERPADV	75 / 8 AA	48