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:	Y1557
P-Site Sequence:	QPASATLYDYYNPER
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	Y1557	QPASATLYDYYNPER	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	Y1557	QPASATLYDYYNPER	100 / 9 AA	193
Phosphosite 2:	C4B	P0C0L5	Y1559	ASATLYDYYNPERRC	100 / 7 AA	193
Phosphosite 3:	C4A	P0C0L4	Y1559	ASATLYDYYNPERRC	100 / 7 AA	193
Phosphosite 4:	TTC3	P53804	Y1111	KQKCSTLYDYFSQFL	55 / 9 AA	230
Phosphosite 5:	C4B	P0C0L5	Y1560	SATLYDYYNPERRCS	100 / 6 AA	193
Phosphosite 6:	C4A	P0C0L4	Y1560	SATLYDYYNPERRCS	100 / 6 AA	193
Phosphosite 7:	TRNT1	Q96Q11	Y169	FDGTLFDYFNGYEDL	71 / 7 AA	50
Phosphosite 8:	TTC3	P53804	Y1113	KCSTLYDYFSQFLEE	71 / 7 AA	230
Phosphosite 9:	TTC3	P53804	T1109	NPKQKCSTLYDYFSQ	71 / 7 AA	230
Phosphosite 10:	OVOS1	Q6IE37	Y1172	QPAPAMVYDYYEKGR	55 / 9 AA	134
Phosphosite 11:	GRHL1	Q9NZI5	Y68	LGLLYDYYKVPRERR	83 / 6 AA	70
Phosphosite 12:	GRHL2	Q6ISB3	Y71	LGLLYDYYKVPRDKR	83 / 6 AA
Phosphosite 13:	SCAP	Q12770	Y639	HWPTLFSYYNITLAK	71 / 7 AA	140
Phosphosite 14:	GRHL1	Q9NZI5	Y67	ALGLLYDYYKVPRER	83 / 6 AA	70
Phosphosite 15:	GRHL2	Q6ISB3	Y70	ALGLLYDYYKVPRDK	83 / 6 AA
Phosphosite 16:	MLK4	Q5TCX8	Y47	AGLWAALYDYEARGE	71 / 7 AA	114
Phosphosite 17:	GRHL1	Q9NZI5	Y65	AAALGLLYDYYKVPR	83 / 6 AA	70
Phosphosite 18:	GRHL2	Q6ISB3	Y68	AAALGLLYDYYKVPR	83 / 6 AA
Phosphosite 19:	POLR1B	Q9H9Y6	Y729	VRPSMYDYYDMDNYP	57 / 7 AA	128
Phosphosite 20:	GRHL3	Q8TE85	Y67	LSFLYDYYMGPKEKR	100 / 5 AA	70