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:	Y391
P-Site Sequence:	YTCEEPYYYMENGGG
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	Y391	YTCEEPYYYMENGGG	100 / 9 AA	77
Phosphosite 1:	C1s	P09871	Y392	TCEEPYYYMENGGGG	100 / 8 AA	77
Phosphosite 2:	C1s	P09871	Y390	RYTCEEPYYYMENGG	100 / 8 AA	77
Phosphosite 3:	PLCG1	P19174	Y292	LREIEEPYFFLDEFV	50 / 8 AA	149
Phosphosite 4:	TPCN1	Q9ULQ1	Y625	TVVEEGYYYLNNFDN	66 / 9 AA	94
Phosphosite 5:	ORC3L	Q9UBD5	Y609	TALNNPYYYLKNEAL	55 / 9 AA	82
Phosphosite 6:	ORC3L	Q9UBD5	Y608	TALNNPYYYLKNEAL	55 / 9 AA	82
Phosphosite 7:	CLCN1	P35523	Y262	GVYEQPYYYSDILTV	62 / 8 AA	109
Phosphosite 8:	EFTUD2	Q15029	Y832	PRLMEPYYFVEVQAP	71 / 7 AA	109
Phosphosite 9:	EFTUD2	Q15029	Y831	TPRLMEPYYFVEVQA	71 / 7 AA	109
Phosphosite 10:	CLCN1	P35523	Y261	CGVYEQPYYYSDILT	62 / 8 AA	109
Phosphosite 11:	SCN10A	Q9Y5Y9	Y724	IAFDPYYYFQKKWNI	50 / 8 AA	221
Phosphosite 12:	SCN10A	Q9Y5Y9	Y723	IIAFDPYYYFQKKWN	50 / 8 AA	221
Phosphosite 13:	XKR3	Q5GH77	Y422	NQPEAPYYYVNIEKT	71 / 7 AA	53
Phosphosite 14:	XKR3	Q5GH77	Y421	ENQPEAPYYYVNIEK	71 / 7 AA	53
Phosphosite 15:	KIFAP3	Q92845	Y787	FRPDEPYYYGYGS__	83 / 6 AA	91
Phosphosite 16:	TMEM161A	Q9NX61	Y125	LFTEAYYYMLGPAKE	83 / 6 AA	54
Phosphosite 17:	UNC13C	Q8NB66	Y859	VYTEPYYYKAEDEED	83 / 6 AA	251
Phosphosite 18:	UNC13C	Q8NB66	Y858	DVYTEPYYYKAEDEE	83 / 6 AA	251
Phosphosite 19:	SCN10A	Q9Y5Y9	Y722	KIIAFDPYYYFQKKW	57 / 7 AA	221
Phosphosite 20:	SCN5A	Q14524	Y774	KIIALDPYYYFQQGW	57 / 7 AA	227