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:	Y158
P-Site Sequence:	NPGQRVRYRVFALDQ
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	Y158	NPGQRVRYRVFALDQ	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	Y158	NPGQRVRYRVFALDQ	100 / 9 AA	193
Phosphosite 2:	LBR	Q14739	Y608	KYCQRVPYRIFPYIY	66 / 9 AA	71
Phosphosite 3:	XKR6	Q5GH73	Y440	VKEGRTRYRMFAYYT	75 / 8 AA	72
Phosphosite 4:	MOCOS	Q96EN8	Y99	DTVEQVRYRILAHFH	55 / 9 AA	98
Phosphosite 5:	DDX42	Q86XP3	Y403	TNLQRVSYLVFDEAD	66 / 9 AA	103
Phosphosite 6:	DDX42	Q86XP3	S402	ATNLQRVSYLVFDEA	75 / 8 AA	103
Phosphosite 7:	TMEM62	Q0P6H9	Y290	DWKDNRRYRIFAFDH	83 / 6 AA	73
Phosphosite 8:	PSMD5	Q16401	Y183	KTNDIVRYRVYELII	71 / 7 AA	56
Phosphosite 9:	TKTL1	P51854	Y118	KYFDRASYRVFCLMS	62 / 8 AA	65
Phosphosite 10:	KDELC1	Q6UW63	Y101	DGSFIVRYRMYASYK	71 / 7 AA	58
Phosphosite 11:	FASTKD5	Q7L8L6	Y13	KSLKLVRYRAFCSPS	83 / 6 AA	87
Phosphosite 12:	MBD3	O95983	Y83	KSRQRVRYDSSNQVK	100 / 5 AA	33
Phosphosite 13:	CAMSAP1	Q5T5Y3	Y225	PAHQKVRYRREHLSA	83 / 6 AA	178
Phosphosite 14:	CD3EAP	O15446	Y80	LAGKRHRYRVLSSCP	55 / 9 AA	55
Phosphosite 15:	DKFZP434L1717	Q9H0I9	Y148	KYLDKASYRVFCLMG	50 / 8 AA	68
Phosphosite 16:	NISCH	Q9Y2I1	Y1405	EPPQRDRYRLDDGRR	71 / 7 AA	167
Phosphosite 17:	ChaK2	Q9BX84	Y1533	WINPLRRYRPFARSH	83 / 6 AA	232
Phosphosite 18:	ADAMTS1	Q9UHI8	Y605	CEGKRVRYRSCNLED	83 / 6 AA	105
Phosphosite 19:	PRPSAP1	Q14558	Y8	MNAARTGYRVFSANS	62 / 8 AA	39
Phosphosite 20:	SLC7A6OS	Q96CW6	Y103	EVRQEGRYRVLSSRR	55 / 9 AA	35