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:	C4B
Human P-Site:	S1116
P-Site Sequence:	SQQQADGSFQDLSPV
UniProt:	P0C0L5
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C4B	P0C0L5	S1116	SQQQADGSFQDLSPV	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	S1116	SQQQADGSFQDPCPV	100 / 8 AA	193
Phosphosite 2:	VCAN	P13611	S2519	YERSTDGSFQDRFRE	85 / 7 AA	373
Phosphosite 3:	SAPAP3	O95886	Y296	LEGPDGSYRDLSFKG	62 / 8 AA	106
Phosphosite 4:	FBX43	Q4G163	S354	SLSDQEGSFQELLQK	71 / 7 AA	78
Phosphosite 5:	SAPAP3	O95886	S295	CLEGPDGSYRDLSFK	62 / 8 AA	106
Phosphosite 6:	GCG	P01275	S150	GRRHADGSFSDEMNT	75 / 8 AA	21
Phosphosite 7:	LRRC53	A6NM62	S398	ESATLDGSFRNLKKK	71 / 7 AA	141
Phosphosite 8:	CPAMD8	Q8IZJ3	S1249	QQQQADGSFLAVGRV	100 / 6 AA	207
Phosphosite 9:	Uncharacterized protein FLJ43738	Q6ZUG5	S495	LQSDTESSFQDLKLP	62 / 8 AA	66
Phosphosite 10:	UTRN	P46939	S2052	KLSQADGSFLKEKLA	100 / 6 AA	394
Phosphosite 11:	ZNF782	Q6ZMW2	S9	NTFQASVSFQDVTVE	66 / 9 AA	81
Phosphosite 12:	ZNF658	Q5TYW1	S9	NMSQASVSFQDVTVE	66 / 9 AA	122
Phosphosite 13:	AHNAK2	Q8IVF2	S2848	LKVEADGSFPSMQGD	55 / 9 AA	617
Phosphosite 14:	AHNAK2	Q8IVF2	S5057	SSATAGGSFQDTEKA	85 / 7 AA	617
Phosphosite 15:	PCSK5	Q92824	Y729	THCPDGSYQDTKKNL	71 / 7 AA	102
Phosphosite 16:	CECR2	Q9BXF3	S104	PNPLREASFQDLPLR	71 / 7 AA	164
Phosphosite 17:	C1orf129	Q5TGP6	Y568	LPLNVGSYQDLRS__	83 / 6 AA	65
Phosphosite 18:	AARS2	Q5JTZ9	S255	HNREADGSLQPLPQR	66 / 9 AA	107
Phosphosite 19:	SLIT3	O75094	S842	ISSVPEGSFNDLTSL	62 / 8 AA	168
Phosphosite 20:	NOL1	P46087	S675	TKTQASSSFQDSSQP	75 / 8 AA	89