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:	Y1420
P-Site Sequence:	ANEDYEDYEYDELPA
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	Y1420	ANEDYEDYEYDELPA	100 / 9 AA	193
Phosphosite 1:	C4B	P0C0L5	Y1420	ANEDYEDYEYDELPA	100 / 9 AA	193
Phosphosite 2:	C4B	P0C0L5	Y1422	EDYEDYEYDELPAKD	100 / 7 AA	193
Phosphosite 3:	C4A	P0C0L4	Y1422	EDYEDYEYDELPAKD	100 / 7 AA	193
Phosphosite 4:	PLP1	P60201	Y58	FSKNYQDYEYLINVI	71 / 7 AA	30
Phosphosite 5:	CDC45L	O75419	Y191	ILFDYEQYEYHGTSS	75 / 8 AA	66
Phosphosite 6:	PPP2R3A	Q06190	Y1114	FQEGFEDYETDEPAS	75 / 8 AA	130
Phosphosite 7:	3BP2	P78314	Y174	YPTDNEDYEHDDEDD	66 / 9 AA	62
Phosphosite 8:	MTF2	Q9Y483	Y525	DDEGKEDYQFDELNT	71 / 7 AA	67
Phosphosite 9:	C4B	P0C0L5	Y1417	TMEANEDYEDYEYDE	100 / 6 AA	193
Phosphosite 10:	C4A	P0C0L4	Y1417	TMEANEDYEDYEYDE	100 / 6 AA	193
Phosphosite 11:	DPH3B	Q9H4G8	Y15	VEIEDFQYDEDSETY	71 / 7 AA	9
Phosphosite 12:	DPH3	Q96FX2	Y15	VEIEDFQYDEDSETY	71 / 7 AA	9
Phosphosite 13:	ASK1	Q99683	Y677	LLEYDYEYDENGDRV	100 / 6 AA	155
Phosphosite 14:	TTN	Q8WZ42	Y31063	EMLEYPDYELDERYQ	66 / 9 AA	3816
Phosphosite 15:	ASK1	Q99683	Y675	SDLLEYDYEYDENGD	100 / 6 AA	155
Phosphosite 16:	KHDRBS2	Q5VWX1	Y270	AHEAYEEYGYDDGYG	62 / 8 AA	39
Phosphosite 17:	ATR	Q13535	Y1626	STVDYEDYQSVTRFL	83 / 6 AA	301
Phosphosite 18:	ATR	Q13535	Y1623	SMVSTVDYEDYQSVT	83 / 6 AA	301
Phosphosite 19:	POF1B	Q8WVV4	Y565	LGLLYDDYEYIPPGS	83 / 6 AA	69
Phosphosite 20:	PDZRN4	Q6ZMN7	Y400	DRTEDFEYEEVELCR	71 / 7 AA	117