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:	Y1229
P-Site Sequence:	QETGDNLYWGSVTGS
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	Y1229	QETGDNLYWGSVTGS	100 / 9 AA	193
Phosphosite 1:	C4B	P0C0L5	Y1229	QETGDNLYWGSVTGS	100 / 9 AA	193
Phosphosite 2:	C4B	P0C0L5	S1232	GDNLYWGSVTGSQSN	100 / 6 AA	193
Phosphosite 3:	C4A	P0C0L4	S1232	GDNLYWGSVTGSQSN	100 / 6 AA	193
Phosphosite 4:	ANKRD10	Q9NXR5	Y373	EDIGDNLYYGHYHGF	85 / 7 AA	45
Phosphosite 5:	ZNF234	Q14588	Y99	AGRHEELYWGQIWKQ	50 / 8 AA	81
Phosphosite 6:	ATP1A1	P05023	Y131	EPQNDNLYLGVVLSA	75 / 8 AA	113
Phosphosite 7:	MAGI1	Q96QZ7	Y138	QTIRDNLYRHAVPCT	62 / 8 AA	165
Phosphosite 8:	GRLF1	Q9NRY4	Y75	VNNDHFLYWGEVSRS	83 / 6 AA	172
Phosphosite 9:	PSG2	P11465	Y258	YRSGDNLYLSCFANS	62 / 8 AA	37
Phosphosite 10:	ILDR1	Q86SU0	Y239	QMMGKPLYWGADRSS	62 / 8 AA	63
Phosphosite 11:	TMEM146	Q86XM0	Y317	TREDNLYYGNLGIVP	62 / 8 AA	90
Phosphosite 12:	Putative serine protease 47	A8MTI9	Y100	PWQASLLYWGSHLCG	100 / 5 AA	41
Phosphosite 13:	C6orf70	Q5T6L9	Y64	ESEQGLDYWGSVRLL	100 / 5 AA	78
Phosphosite 14:	CHD9	Q3L8U1	Y1774	LMEGDKVYWPTQSAL	50 / 8 AA	326
Phosphosite 15:	FLYWCH1	Q4VC44	Y301	KAVGDKVYWTCRDHA	50 / 8 AA	80
Phosphosite 16:	FLYWCH1	Q4VC44	Y144	KAVGDKVYWKCRQHA	50 / 8 AA	80
Phosphosite 17:	GGTLC1	Q9BX51	Y59	ATSTINLYFGSKVRS	83 / 6 AA	24
Phosphosite 18:	NUP85	Q9BW27	Y393	LLQSHNLYFGSNMRE	62 / 8 AA	75
Phosphosite 19:	PEMT	Q9UBM1	Y143	NILDNPMYWGSTANY	50 / 8 AA	22
Phosphosite 20:	ANKRD10	Q9NXR5	Y374	DIGDNLYYGHYHGFG	83 / 6 AA	45