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:	S568
P-Site Sequence:	DGDLGLISGWGRTEK
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	S568	DGDLGLISGWGRTEK	100 / 9 AA	77
Phosphosite 1:	HP	P00738	S282	VGRVGYVSGWGRNAN	66 / 9 AA	45
Phosphosite 2:	PROZ	P22891	S301	PRTRGLLSGWARNGT	75 / 8 AA	45
Phosphosite 3:	PRSS1	P07477	S142	TGTKCLISGWGNTAS	100 / 6 AA	27
Phosphosite 4:	KLK9	Q9UKQ9	S146	PGMQCLISGWGAVSS	100 / 6 AA	28
Phosphosite 5:	PRSS2	P07478	S142	AGTESLISGWGNTLS	100 / 6 AA	26
Phosphosite 6:	RASA3	Q14644	S562	KNFLDLISSSGRRDP	66 / 9 AA	96
Phosphosite 7:	FANCF	Q9NPI8	T279	PVYLGLLTDWGQRLH	55 / 9 AA	42
Phosphosite 8:	HPR	P00739	S224	VGRVGYVSGWGQSDN	55 / 9 AA	39
Phosphosite 9:	XPO1	O14980	S760	RETLKLISGWVSRSN	85 / 7 AA	123
Phosphosite 10:	CHD8	Q9HCK8	Y1456	VEKHLLVYGWGRWRD	71 / 7 AA	291
Phosphosite 11:	KLK5	Q9Y337	S188	AGTKCLVSGWGTTKS	83 / 6 AA	32
Phosphosite 12:	ATP2A3	Q93084	S830	SPREALISGWLFFRY	83 / 6 AA	114
Phosphosite 13:	FAM91A1	Q658Y4	S574	YDRLLITSWGHDPGV	57 / 7 AA	94
Phosphosite 14:	FAM91A2	P0C866	S219	YDRLLITSWGHDPGV	57 / 7 AA	31
Phosphosite 15:	ATP2A1	O14983	S830	SPKEPLISGWLFFRY	100 / 5 AA	110
Phosphosite 16:	SGK223	Q86YV5	S457	AWAQKAASGWGRDSP	100 / 5 AA	150
Phosphosite 17:	CTRL	P40313	T158	EGLTCVTTGWGRLSG	57 / 7 AA	28
Phosphosite 18:	HABP2	Q14520	S450	SGSECHISGWGVTET	100 / 5 AA	63
Phosphosite 19:	HLTF	Q14527	S184	TLGFNLESGWGSGRA	55 / 9 AA	114
Phosphosite 20:	nAChRB1	P11230	S381	PHCSSPGSGWGRGTD	100 / 5 AA	57