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:	T254
P-Site Sequence:	PGKPYILTVPGHLDE
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	T254	PGKPYILTVPGHLDE	100 / 9 AA	193
Phosphosite 1:	C4B	P0C0L5	T254	PGKPYILTVPGHLDE	100 / 9 AA	193
Phosphosite 2:	HIVEP2	P31629	S1017	PAGSYSLSVPGHHHQ	66 / 9 AA	269
Phosphosite 3:	RABEPK	Q7Z6M1	T22	KATWYTLTVPGDSPC	75 / 8 AA	41
Phosphosite 4:	C4B	P0C0L5	Y251	KITPGKPYILTVPGH	100 / 6 AA	193
Phosphosite 5:	C4A	P0C0L4	Y251	KITPGKPYILTVPGH	100 / 6 AA	193
Phosphosite 6:	RBPMS	Q93062	T136	AREPYELTVPALYPS	75 / 8 AA	22
Phosphosite 7:	VPS8	Q8N3P4	S945	NYIHNILSIPGHSAE	62 / 8 AA	162
Phosphosite 8:	CKMT2	P17540	T316	ERLGYILTCPSNLGT	62 / 8 AA	48
Phosphosite 9:	CKMT1A	P12532	T315	ERLGYILTCPSNLGT	62 / 8 AA	47
Phosphosite 10:	CKB	P12277	T282	PHLGYILTCPSNLGT	62 / 8 AA	43
Phosphosite 11:	ZNF143	P52747	T390	GEKPYVCTVPGCDKR	66 / 9 AA	69
Phosphosite 12:	ZNF76	P36508	T318	GEKPYVCTVPGCGKR	66 / 9 AA	62
Phosphosite 13:	HSPG2	P98160	T3303	ESPPYATTVPEHASV	66 / 9 AA	469
Phosphosite 14:	CAPN6	Q9Y6Q1	T390	QNPQYIFTVPEDGHK	55 / 9 AA	75
Phosphosite 15:	HIVEP3	Q5T1R4	T977	PLGTHMLTVPSHHPH	62 / 8 AA	259
Phosphosite 16:	SLC27A3	Q5K4L6	T626	EVNVYGVTVPGHEGR	75 / 8 AA	79
Phosphosite 17:	KAL1	P23352	T620	PSDHYVLTVPNLRPS	71 / 7 AA	76
Phosphosite 18:	NKCC2	Q13621	T931	LLIPYILTLRKKWKD	71 / 7 AA	121
Phosphosite 19:	SYNE1	Q8NF91	T7624	QQGSYILTVEAGKQL	83 / 6 AA	1011
Phosphosite 20:	ITGB1BP3	Q9NPI5	T121	YSRRYFLTVPYEECK	71 / 7 AA	26