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:	C1s
Human P-Site:	S115
P-Site Sequence:	VIFKSDFSNEERFTG
UniProt:	P09871
Intern. Prot. ID:	IPI00017696

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C1s	P09871	S115	VIFKSDFSNEERFTG	100 / 9 AA	77
Phosphosite 1:	MASP1	P48740	S123	ITFRSDFSNEERFTG	88 / 9 AA	79
Phosphosite 2:	PPA1	Q15181	S5	___MSGFSTEERAAP	66 / 9 AA	33
Phosphosite 3:	C1R	P00736	S121	LTFHTDFSNEENGTI	85 / 7 AA	80
Phosphosite 4:	PPA1	Q15181	T6	__MSGFSTEERAAPF	75 / 8 AA	33
Phosphosite 5:	SCN11A	Q9UI33	S815	ALLLNSFSNEERNGN	100 / 6 AA	205
Phosphosite 6:	MRPS27	Q92552	S197	LAKKTDFSWEEERNF	75 / 8 AA	48
Phosphosite 7:	PPARGC1A	Q9UBK2	S490	ELRDSDFSNEQFSKL	85 / 7 AA	91
Phosphosite 8:	FRA10AC1	Q70Z53	S12	GGYDSDFSDDEHCGE	62 / 8 AA	38
Phosphosite 9:	ZNF41	P51814	S79	EDVTVDFSKEEWQHL	71 / 7 AA	94
Phosphosite 10:	14-3-3 zeta	P63104	S37	TEQGAELSNEERNLL	62 / 8 AA	28
Phosphosite 11:	YWHAQ	P27348	S37	TEQGAELSNEERNLL	62 / 8 AA	28
Phosphosite 12:	CNTN2	Q02246	S136	FGFLQEFSKEERDPV	71 / 7 AA	113
Phosphosite 13:	C1s	P09871	S112	KLQVIFKSDFSNEER	100 / 6 AA	77
Phosphosite 14:	RBM19	Q9Y4C8	S341	GYIFVDFSNEEEVKQ	100 / 6 AA	107
Phosphosite 15:	AlphaK3	Q96QP1	S563	ETEPSDYSNDEGAVF	71 / 7 AA	139
Phosphosite 16:	SYNE2	Q8WXH0	S1143	RITSDFSSEEDRSSS	85 / 7 AA	796
Phosphosite 17:	ZNF527	Q8NB42	S24	RDVALDFSQEEWEWL	71 / 7 AA	67
Phosphosite 18:	ZFP30	Q9Y2G7	S16	RDVAVDFSQEEWECL	71 / 7 AA	62
Phosphosite 19:	ZNF570	Q96NI8	S24	RDVAVDFSQEEWDCL	71 / 7 AA	62
Phosphosite 20:	ZFP28	Q8NHY6	S113	GDVAVDFSQEEWEWL	71 / 7 AA	99