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:	Y977
P-Site Sequence:	PDGDFNSYVRVTASD
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	Y977	PDGDFNSYVRVTASD	100 / 9 AA	193
Phosphosite 1:	C4B	P0C0L5	Y977	PDGDFNSYVRVTASD	100 / 9 AA	193
Phosphosite 2:	C4B	P0C0L5	S976	IPDGDFNSYVRVTAS	100 / 8 AA	193
Phosphosite 3:	C4A	P0C0L4	S976	IPDGDFNSYVRVTAS	100 / 8 AA	193
Phosphosite 4:	IDS	P22304	Y108	RLYDFNSYWRVHAGN	87 / 8 AA	62
Phosphosite 5:	GCM1	Q9NP62	Y375	VHVDFNSYVQSPAYH	85 / 7 AA	49
Phosphosite 6:	GCM1	Q9NP62	S374	KVHVDFNSYVQSPAY	85 / 7 AA	49
Phosphosite 7:	UBA6	A0AVT1	Y132	HIAELNPYVHVTSSS	55 / 9 AA	118
Phosphosite 8:	RBM26	Q5T8P6	Y284	DQVDHNSYVRPPMPK	85 / 7 AA	114
Phosphosite 9:	RIN2	Q8WYP3	Y790	SVDDFQNYLRVAFQE	55 / 9 AA	100
Phosphosite 10:	RBM26	Q5T8P6	S283	EDQVDHNSYVRPPMP	85 / 7 AA	114
Phosphosite 11:	DLEC1	Q9Y238	Y1462	LKLDLHSYVRPAQLS	55 / 9 AA	196
Phosphosite 12:	DLEC1	Q9Y238	S1461	PLKLDLHSYVRPAQL	71 / 7 AA	196
Phosphosite 13:	UBA1	P22314	S140	PRLAELNSYVPVTAY	62 / 8 AA	118
Phosphosite 14:	ZNF442	Q9H7R0	S279	KAFPDYSSYVRHERT	71 / 7 AA	73
Phosphosite 15:	ZNF442	Q9H7R0	Y280	AFPDYSSYVRHERTH	71 / 7 AA	73
Phosphosite 16:	TTC3	P53804	Y37	AEFMSNDYVRVTQLY	85 / 7 AA	230
Phosphosite 17:	PKCh	P24723	Y11	GTMKFNGYLRVRIGE	62 / 8 AA	78
Phosphosite 18:	TRIB1	Q96RU8	S169	KDFGDMHSYVRSRKR	71 / 7 AA	41
Phosphosite 19:	ZNF442	Q9H7R0	S278	SKAFPDYSSYVRHER	71 / 7 AA	73
Phosphosite 20:	TRIB1	Q96RU8	Y170	DFGDMHSYVRSRKRL	71 / 7 AA	41