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:	S411
P-Site Sequence:	KVSATVSSPGSVPEV
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	S411	KVSATVSSPGSVPEV	100 / 9 AA	193
Phosphosite 1:	C4B	P0C0L5	S411	KVSATVSSPGSVPEV	100 / 9 AA	193
Phosphosite 2:	C4B	P0C0L5	S410	VKVSATVSSPGSVPE	100 / 8 AA	193
Phosphosite 3:	C4A	P0C0L4	S410	VKVSATVSSPGSVPE	100 / 8 AA	193
Phosphosite 4:	PRTG	Q2VWP7	T708	QADQTVSTPGCVSVR	75 / 8 AA	127
Phosphosite 5:	MUC4	Q99102	S384	SGETTISSPSSVSNT	66 / 9 AA	232
Phosphosite 6:	CABLES1	Q8TDN4	S158	PGGHATVSGPGVARG	85 / 7 AA	68
Phosphosite 7:	PTPDC1	A2A3K4	S534	CKTHGVGSPGSVRQN	85 / 7 AA	84
Phosphosite 8:	OTUD4	Q01804	T543	ITDDKYATVSSPSKS	100 / 6 AA	124
Phosphosite 9:	ATP2B2	Q01814	S1230	TSKSATSSSPGSPIH	87 / 8 AA	137
Phosphosite 10:	ATP2B1	P20020	S1245	MNKSATSSSPGSPLH	87 / 8 AA	139
Phosphosite 11:	HNF4G	Q14541	S120	RSRQISVSSPGSSTD	85 / 7 AA	46
Phosphosite 12:	ATP2B2	Q01814	S1231	SKSATSSSPGSPIHS	87 / 8 AA	137
Phosphosite 13:	ATP2B1	P20020	S1246	NKSATSSSPGSPLHS	87 / 8 AA	139
Phosphosite 14:	OTUD4	Q01804	S545	DDKYATVSSPSKSKK	85 / 7 AA	124
Phosphosite 15:	OTUD4	Q01804	S546	DKYATVSSPSKSKKL	85 / 7 AA	124
Phosphosite 16:	TGIF	Q15583	S294	PKPSSPGSVLARPSV	100 / 6 AA	43
Phosphosite 17:	PARP14	Q460N5	S1132	QGFYGTVSSPDSGVY	75 / 8 AA	194
Phosphosite 18:	BIN2	Q9UBW5	S272	PVRTATVSSPLTSPT	100 / 6 AA	62
Phosphosite 19:	HNF4G	Q14541	S121	SRQISVSSPGSSTDI	85 / 7 AA	46
Phosphosite 20:	BIN2	Q9UBW5	S273	VRTATVSSPLTSPTS	100 / 6 AA	62