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:	C4A
Human P-Site:	T75
P-Site Sequence:	CSPKVDFTLSSERDF
UniProt:	P0C0L4
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C4A	P0C0L4	T75	CSPKVDFTLSSERDF	100 / 9 AA	193
Phosphosite 1:	C4B	P0C0L5	T75	CSPKVDFTLSSERDF	100 / 9 AA	193
Phosphosite 2:	CUX2	O14529	T230	SGDKVNFTLCSGPRL	66 / 9 AA	154
Phosphosite 3:	SPRYD5	Q9BSJ1	T131	SGFRVDFTLQPERAN	66 / 9 AA	34
Phosphosite 4:	Tripartite motif-containing protein ENSP00000311270	A6NCD1	T294	KRFRVDFTLQPERDN	66 / 9 AA	53
Phosphosite 5:	COMMD4	Q9H0A8	T141	VGWRVDYTLSSSLLQ	75 / 8 AA	22
Phosphosite 6:	C4B	P0C0L5	S77	PKVDFTLSSERDFAL	100 / 7 AA	193
Phosphosite 7:	C4A	P0C0L4	S77	PKVDFTLSSERDFAL	100 / 7 AA	193
Phosphosite 8:	Putative maltase-glucoamylase-like protein FLJ16351	Q6ZN80	T173	MNRKLDFTLSANFQN	66 / 9 AA	74
Phosphosite 9:	TMEM132B	Q14DG7	T962	LENPVDITLPSEECT	75 / 8 AA	119
Phosphosite 10:	PRAMEL	Q6ZN90	T168	ELRMLDFTLDSEQVF	66 / 9 AA	58
Phosphosite 11:	PTPN21	Q16825	T38	NNEFVEFTLSVESTG	75 / 8 AA	133
Phosphosite 12:	DSCR3	O14972	T158	TPSPVDFTITPETLQ	62 / 8 AA	33
Phosphosite 13:	TAF1	P21675	S183	TGEKVDFSSSSDSES	66 / 9 AA	213
Phosphosite 14:	FAM75-like protein FLJ43859	Q6ZUB0	S677	IPGDFPLSSEVRKKL	85 / 7 AA	102
Phosphosite 15:	Protein FAM75D1	Q6ZQQ2	S680	IPGDFPLSSEVRKKL	85 / 7 AA	176
Phosphosite 16:	Putative FAM75-like protein FLJ44082	P0C874	S677	IPGDFPLSSEVRKKL	85 / 7 AA	102
Phosphosite 17:	TBC1D2B	Q9UPU7	Y824	FEQYKVDYTLITFNW	83 / 6 AA	110
Phosphosite 18:	PARF	Q3YEC7	T468	PVPSQDITLSSEEEA	85 / 7 AA	80
Phosphosite 19:	PARF	Q3YEC7	S470	PSQDITLSSEEEAEV	85 / 7 AA	80
Phosphosite 20:	GFM2	Q969S9	T149	TPGHVDFTLEVERCL	75 / 8 AA	87