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:	T277
P-Site Sequence:	IIFQTDLTGQKKGWK
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	T277	IIFQTDLTGQKKGWK	100 / 9 AA	77
Phosphosite 1:	MAGI1	Q96QZ7	S784	APDQTDSSGQKKPDP	77 / 9 AA	165
Phosphosite 2:	ZNF681	Q96N22	T537	FNQSSNLTGHKKIHT	62 / 8 AA	67
Phosphosite 3:	ZNF311	Q5JNZ3	T627	FRVSSNLTGHKKRKH	62 / 8 AA	76
Phosphosite 4:	ZBTB8A	Q96BR9	T351	KRHVTDLTGQVVQEG	100 / 6 AA	50
Phosphosite 5:	RSU1	Q15404	T205	ELGNLDLTGQKQVFK	100 / 6 AA	32
Phosphosite 6:	SPAG9	O60271	T1249	SSSGTDLTGDKAGPS	85 / 7 AA	146
Phosphosite 7:	GOLPH4	O00461	T626	EEVQEDLTEEKKREL	66 / 9 AA	82
Phosphosite 8:	MAP1B	P46821	T522	LATQKDLTGQVPTPV	85 / 7 AA	271
Phosphosite 9:	RBM44	Q6ZP01	T815	DTWNLDLTGEMKNVE	71 / 7 AA	118
Phosphosite 10:	ZNF187	Q16670	T270	VCQSSSLTGHKKVLS	62 / 8 AA	55
Phosphosite 11:	THAP2	Q9H0W7	T65	EASCFDLTGQTRRLK	71 / 7 AA	26
Phosphosite 12:	COG3	Q96JB2	T477	IYIQTDITGYKPAPG	75 / 8 AA	94
Phosphosite 13:	HOXA3	O43365	T425	HPTYTDLTGHHPSQG	83 / 6 AA	46
Phosphosite 14:	MDC1	Q14676	T847	PERQTDVTGEEELTK	71 / 7 AA	227
Phosphosite 15:	TCF7L2	Q9NQB0	S459	LPPITDLSAPKKCRA	62 / 8 AA	68
Phosphosite 16:	HMBOX1	Q6NT76	S214	LQQGSDLSEQKKRAF	62 / 8 AA	47
Phosphosite 17:	QIK	Q9H0K1	T878	GAQQSDLTGPDCPRS	71 / 7 AA	104
Phosphosite 18:	YIPF7	Q8N8F6	T148	DGSIMNETDLTGPIL	83 / 6 AA	31
Phosphosite 19:	MYOM3	Q5VTT5	S1309	RQLSTDLSGQAFEDA	83 / 6 AA	162
Phosphosite 20:	XRCC4	Q13426	T241	DEESENQTDLSGLAS	83 / 6 AA	38