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:	S1286
P-Site Sequence:	AEMADQASAWLTRQG
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	S1286	AEMADQASAWLTRQG	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	S1286	AEMADQASAWLTRQG	100 / 9 AA	193
Phosphosite 2:	ANKRD11	Q6UB99	S2196	ALPPDQASTRLPAEL	62 / 8 AA	298
Phosphosite 3:	ARFGEF3	Q5TH69	S672	NQEADQHSARLFIQS	75 / 8 AA	241
Phosphosite 4:	MTMR15	Q9Y2M0	S331	HSSADDASAWSNIQE	85 / 7 AA	114
Phosphosite 5:	IKKa	O15111	T679	EGAVTPQTSAWLPPT	83 / 6 AA	85
Phosphosite 6:	IKKa	O15111	S680	GAVTPQTSAWLPPTS	83 / 6 AA	85
Phosphosite 7:	Septin-1	Q8WYJ6	S60	DRQVPEASARLTQTL	71 / 7 AA	42
Phosphosite 8:	MARS2	Q96GW9	T585	PRLDQSRTWLVKAHR	57 / 7 AA	67
Phosphosite 9:	PRLR	P16471	T490	HSETDQDTPWLLPQE	50 / 8 AA	70
Phosphosite 10:	MARS2	Q96GW9	S583	LFPRLDQSRTWLVKA	57 / 7 AA	67
Phosphosite 11:	C4B	P0C0L5	T1290	DQASAWLTRQGSFQG	100 / 5 AA	193
Phosphosite 12:	C4A	P0C0L4	T1290	DQASAWLTRQGSFQG	100 / 5 AA	193
Phosphosite 13:	UTRN	P46939	T435	QQLSAWLTLTEERIQ	100 / 5 AA	394
Phosphosite 14:	Putative uncharacterized protein FLJ36116	Q8N9X3	S94	PTPQGQASRWLFLFL	71 / 7 AA	19
Phosphosite 15:	C6orf204	Q5SZL2	S30	PAGPDYSSAWLPANE	62 / 8 AA	92
Phosphosite 16:	C6orf204	Q5SZL2	S29	FPAGPDYSSAWLPAN	62 / 8 AA	92
Phosphosite 17:	PGLYRP2	Q96PD5	S51	AKTRHTASAWLMSAP	100 / 5 AA	62
Phosphosite 18:	TBX10	O75333	S131	RYRYAFHSSAWLVAG	66 / 6 AA	42
Phosphosite 19:	DAP3	P51398	T186	DQPLEASTWLKNFKT	66 / 6 AA	46
Phosphosite 20:	CAPS2	Q9BXY5	S488	VSEKDFESAWLILND	62 / 8 AA	64