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:	T121
P-Site Sequence:	FSNEERFTGFAAYYV
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	T121	FSNEERFTGFAAYYV	100 / 9 AA	77
Phosphosite 1:	PAPL	Q6ZNF0	T378	AGCEERLTPFAVFPR	66 / 9 AA	50
Phosphosite 2:	NMDAR1 (Glutamate)	Q05586	T665	DRPEERITGINDPRL	71 / 7 AA	105
Phosphosite 3:	LLGL2	Q6P1M3	S708	EARSAEDSFTGFVRT	71 / 7 AA	113
Phosphosite 4:	SMARCAL1	Q9NZC9	T157	ASPEIRFTPFANPTH	75 / 8 AA	106
Phosphosite 5:	ERO1L	Q96HE7	Y188	LLLNPERYTGYKGPD	66 / 6 AA	54
Phosphosite 6:	ERO1LB	Q86YB8	Y187	LLLNPERYTGYKGTS	66 / 6 AA	54
Phosphosite 7:	NBEAL1	Q6ZS30	T27	KTDEEKITSFASANV	55 / 9 AA	151
Phosphosite 8:	LLGL2	Q6P1M3	T710	RSAEDSFTGFVRTLY	62 / 8 AA	113
Phosphosite 9:	ERO1L	Q96HE7	T189	LLNPERYTGYKGPDA	66 / 6 AA	54
Phosphosite 10:	ERO1LB	Q86YB8	T188	LLNPERYTGYKGTSA	66 / 6 AA	54
Phosphosite 11:	TLK1	Q9UKI8	T68	ELLEARFTGVASGST	66 / 9 AA	87
Phosphosite 12:	MASP2	O00187	T128	YSNEKPFTGFEAFYA	66 / 9 AA	76
Phosphosite 13:	C17orf53	Q8N3J3	T32	EDAENRFTGSLPVNA	83 / 6 AA	70
Phosphosite 14:	IWS1	Q96ST2	T489	DEEEEEFTGFNQEDL	85 / 7 AA	92
Phosphosite 15:	KIAA1409	Q9P2D8	Y677	ISCRFTGYPSSVQEQ	57 / 7 AA	295
Phosphosite 16:	KIAA1409	Q9P2D8	T675	GFISCRFTGYPSSVQ	57 / 7 AA	295
Phosphosite 17:	ZADH2	Q8N4Q0	T344	LSPEGRFTGLESIFR	55 / 9 AA	40
Phosphosite 18:	GPR98	Q8WXG9	T1477	INGNDRFTGLMQDVR	57 / 7 AA	693
Phosphosite 19:	CRIM1	Q9NZV1	S1016	AEPDARFSGFYSMQK	57 / 7 AA	114
Phosphosite 20:	COL15A1	P39059	T216	ATGLERFTGSLQQLT	100 / 5 AA	142