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:	Y251
P-Site Sequence:	KITPGKPYILTVPGH
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	Y251	KITPGKPYILTVPGH	100 / 9 AA	193
Phosphosite 1:	C4B	P0C0L5	Y251	KITPGKPYILTVPGH	100 / 9 AA	193
Phosphosite 2:	SLC29A2	Q14542	S282	PQKPGKPSVFTVFQK	66 / 9 AA	50
Phosphosite 3:	C4B	P0C0L5	T254	PGKPYILTVPGHLDE	100 / 6 AA	193
Phosphosite 4:	C4A	P0C0L4	T254	PGKPYILTVPGHLDE	100 / 6 AA	193
Phosphosite 5:	WDR16	Q8N1V2	Y601	RISPGNQYIVSVSAD	55 / 9 AA	68
Phosphosite 6:	SLC45A2	Q9UMX9	Y105	RWGRRRPYILTLGVM	71 / 7 AA	58
Phosphosite 7:	GOT2	P00505	Y75	RDDNGKPYVLPSVRK	83 / 6 AA	47
Phosphosite 8:	C4orf39	Q96MZ4	Y47	SGLPNRPYTLTGGRH	62 / 8 AA	17
Phosphosite 9:	GALNTL6	Q49A17	Y91	KGEHGKPYPLTEEDH	85 / 7 AA	70
Phosphosite 10:	AFF4	Q9UHB7	Y731	TRIPGKPYKETEPPK	75 / 8 AA	127
Phosphosite 11:	CECR5	Q9BXW7	S281	EGLMGKPSILTYQYA	85 / 7 AA	46
Phosphosite 12:	SYNE1	Q8NF91	T7624	QQGSYILTVEAGKQL	83 / 6 AA	1011
Phosphosite 13:	NKCC2	Q13621	T931	LLIPYILTLRKKWKD	83 / 6 AA	121
Phosphosite 14:	ACAT2	Q9BWD1	Y237	AMSKLKPYFLTDGTG	83 / 6 AA	41
Phosphosite 15:	LPPR4	Q7Z2D5	Y206	STGYQAPYFLTVCKP	83 / 6 AA	88
Phosphosite 16:	PATZ1	Q9HBE1	Y413	DGSVGKPYICQSCGK	100 / 5 AA	74
Phosphosite 17:	PRG-3	Q8TBJ4	T158	HLTPYFLTVCKPNYT	83 / 6 AA	36
Phosphosite 18:	LPPR4	Q7Z2D5	T209	YQAPYFLTVCKPNYT	83 / 6 AA	88
Phosphosite 19:	EFEMP1	Q12805	Y369	RNPCQDPYILTPENR	83 / 6 AA	55
Phosphosite 20:	EFEMP1	Q12805	T372	CQDPYILTPENRCVC	100 / 5 AA	55