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:	Y694
P-Site Sequence:	INEKLGQYASPTAKR
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	Y694	INEKLGQYASPTAKR	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	Y694	INEKLGQYASPTAKR	100 / 9 AA	193
Phosphosite 2:	C4B	P0C0L5	S696	EKLGQYASPTAKRCC	100 / 7 AA	193
Phosphosite 3:	C4A	P0C0L4	S696	EKLGQYASPTAKRCC	100 / 7 AA	193
Phosphosite 4:	RASSF8	Q8NHQ8	Y69	SLNKWGQYASDVQLI	85 / 7 AA	48
Phosphosite 5:	LIAS	O43766	Y309	DCLTLGQYMQPTRRH	75 / 8 AA	42
Phosphosite 6:	RBM44	Q6ZP01	Y907	PVKILGEYTSPLSSK	71 / 7 AA	118
Phosphosite 7:	RBM44	Q6ZP01	T908	VKILGEYTSPLSSKN	71 / 7 AA	118
Phosphosite 8:	ZNF646	O15015	S1327	SHETGQYSCPTCPKT	71 / 7 AA	201
Phosphosite 9:	STAT5B	P51692	Y90	LKIKLGHYATQLQNT	62 / 8 AA	90
Phosphosite 10:	STAT5A	P42229	Y90	LKIKLGHYATQLQKT	62 / 8 AA	91
Phosphosite 11:	ZNF646	O15015	Y1326	RSHETGQYSCPTCPK	71 / 7 AA	201
Phosphosite 12:	MYCBP	Q99417	Y93	LKAKLAQYEPPQEEK	62 / 8 AA	12
Phosphosite 13:	MEF2D	Q14814	Y57	HSNKLFQYASTDMDK	85 / 7 AA	56
Phosphosite 14:	MEF2C	Q06413	Y57	STNKLFQYASTDMDK	85 / 7 AA	51
Phosphosite 15:	MEF2A	Q02078	Y57	SSNKLFQYASTDMDK	85 / 7 AA	55
Phosphosite 16:	PANK2	Q9BZ23	Y190	RRDRLGSYSGPTSVS	55 / 9 AA	63
Phosphosite 17:	C12orf30	Q14CX7	Y556	YAESLGQYAAASQSC	62 / 8 AA	112
Phosphosite 18:	SGPL1	O95470	S389	WQGGIYASPTIAGSR	85 / 7 AA	64
Phosphosite 19:	DOCK9	Q9BZ29	Y521	ACQRLGQYRMPFAWA	62 / 8 AA	236
Phosphosite 20:	SPTAN1	Q13813	S1413	LAHGHYASPEIKQKL	83 / 6 AA	285