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:	S69
P-Site Sequence:	SENCAYDSVQIISGD
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	S69	SENCAYDSVQIISGD	100 / 9 AA	77
Phosphosite 1:	C1s	P09871	Y67	ELSENCAYDSVQIIS	100 / 7 AA	77
Phosphosite 2:	CUBN	O60494	S2036	HRTCAYDSLVIRDGD	75 / 8 AA	399
Phosphosite 3:	KLHL23	Q8NBE8	Y433	GYRGSCTYDKVQSYN	71 / 7 AA	64
Phosphosite 4:	CDH24	Q86UP0	S762	PGVPPYDSVQVYGYE	71 / 7 AA	88
Phosphosite 5:	CDH11	P55287	S739	PTAPPYDSIQIYGYE	71 / 7 AA	88
Phosphosite 6:	CDH8	P55286	S743	PTAPPYDSIQIYGYE	71 / 7 AA	88
Phosphosite 7:	ASAH2	Q9NR71	S396	PGQDMFDSTQIIGRA	71 / 7 AA	86
Phosphosite 8:	ASAH2C	P0C7U2	S238	PGQDMFDSTQIIGRA	71 / 7 AA	69
Phosphosite 9:	PCOLCE	Q15113	S217	DTYCRYDSVSVFNGA	55 / 9 AA	48
Phosphosite 10:	ZNF407	Q9C0G0	S1147	KVLCAADSVEVETEE	62 / 8 AA	247
Phosphosite 11:	CUBN	O60494	Y2034	ESHRTCAYDSLVIRD	83 / 6 AA	399
Phosphosite 12:	CDH24	Q86UP0	Y760	EDPGVPPYDSVQVYG	83 / 6 AA	88
Phosphosite 13:	SIAE	Q9HAT2	S151	SNTAAYQSVRILSVS	62 / 8 AA	58
Phosphosite 14:	OTUD3	Q5T2D3	S185	RYGEHYDSVRRINDN	71 / 7 AA	45
Phosphosite 15:	CORO2A	Q92828	S28	SKENCYDSVPITRSV	71 / 7 AA	60
Phosphosite 16:	Semaphorin F	Q13591	S1030	NKLDKYDSVEAIKAF	71 / 7 AA	121
Phosphosite 17:	SLC44A4	Q53GD3	Y302	FTTNLSAYQSVQETW	71 / 7 AA	79
Phosphosite 18:	G-alpha(z)	P19086	Y102	FHNPDRAYDAVQLFA	71 / 7 AA	41
Phosphosite 19:	C20orf132	Q9H579	Y19	EVVIPCAYDSDSESV	100 / 5 AA	55
Phosphosite 20:	CFHR1	Q03591	T109	QTHLEGDTVQIICNT	83 / 6 AA	38