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:	Y665
P-Site Sequence:	QCGTYGLYTRVKNYV
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	Y665	QCGTYGLYTRVKNYV	100 / 9 AA	77
Phosphosite 1:	FOXL2	P58012	Y258	PAASYGPYTRVQSMA	66 / 9 AA	39
Phosphosite 2:	FOXL2	P58012	T259	AASYGPYTRVQSMAL	75 / 8 AA	39
Phosphosite 3:	ARID2	Q68CP9	Y51	ELDLHGLYTRVTTLG	85 / 7 AA	197
Phosphosite 4:	KIAA1718	Q6ZMT4	T643	KPLNGFFTRVKSELR	71 / 7 AA	107
Phosphosite 5:	F7	P08709	T438	VGHFGVYTRVSQYIE	71 / 7 AA	52
Phosphosite 6:	C1orf128	Q9GZP4	Y32	RGLAYGLYLRIDLER	55 / 9 AA	24
Phosphosite 7:	C1s	P09871	Y662	WGPQCGTYGLYTRVK	100 / 6 AA	77
Phosphosite 8:	F9	P00740	Y444	MKGKYGIYTKVSRYV	71 / 7 AA	52
Phosphosite 9:	COPA	P53621	Y394	ENSTYDLYTIPKDAD	66 / 9 AA	138
Phosphosite 10:	F10	P00742	Y452	RKGKYGIYTKVTAFL	71 / 7 AA	55
Phosphosite 11:	F2	P00734	Y603	RDGKYGFYTHVFRLK	71 / 7 AA	70
Phosphosite 12:	AKAP1	Q92667	Y799	RYVDYGGYKRVKVDV	75 / 8 AA	97
Phosphosite 13:	C1orf158	Q8N1D5	Y143	PPTNYGLYEQLKQRQ	55 / 9 AA	23
Phosphosite 14:	F9	P00740	T445	KGKYGIYTKVSRYVN	71 / 7 AA	52
Phosphosite 15:	PROC	P04070	Y435	LLHNYGVYTKVSRYL	62 / 8 AA	52
Phosphosite 16:	C1R	P00736	Y687	CSRGYGFYTKVLNYV	71 / 7 AA	80
Phosphosite 17:	F2	P00734	T604	DGKYGFYTHVFRLKK	71 / 7 AA	70
Phosphosite 18:	ASPM	Q8IZT6	Y2725	IQNYYRLYVRVKTER	75 / 8 AA	410
Phosphosite 19:	MASP2	O00187	Y669	EAGQYGVYTKVINYI	71 / 7 AA	76
Phosphosite 20:	C9orf171	Q6ZQR2	Y124	INFNYGLYIRGLDGG	71 / 7 AA	36