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:	C3
Human P-Site:	S447
P-Site Sequence:	TMQALPYSTVGNSNN
UniProt:	P01024
Intern. Prot. ID:	IPI00783987

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C3	P01024	S447	TMQALPYSTVGNSNN	100 / 9 AA	187
Phosphosite 1:	C3	P01024	T448	MQALPYSTVGNSNNY	100 / 8 AA	187
Phosphosite 2:	C3	P01024	Y446	RTMQALPYSTVGNSN	100 / 8 AA	187
Phosphosite 3:	CDC42BPA	Q5VT25	Y474	QTVQALQYSTVDGPL	75 / 8 AA	197
Phosphosite 4:	STK38L	Q9Y2H1	Y281	KNRRQLAYSTVGTPD	85 / 7 AA	54
Phosphosite 5:	STK38L	Q9Y2H1	S282	NRRQLAYSTVGTPDY	75 / 8 AA	54
Phosphosite 6:	EFHC1	Q5JVL4	S477	TKVVKPYSTVDNPVY	85 / 7 AA	74
Phosphosite 7:	EFHC1	Q5JVL4	T478	KVVKPYSTVDNPVYY	85 / 7 AA	74
Phosphosite 8:	NFKBIZ	Q9BYH8	S402	SNTSLPFSNMGNPMN	55 / 9 AA	78
Phosphosite 9:	CDC42BPA	Q5VT25	S475	TVQALQYSTVDGPLT	75 / 8 AA	197
Phosphosite 10:	STK38L	Q9Y2H1	T283	RRQLAYSTVGTPDYI	75 / 8 AA	54
Phosphosite 11:	D2HGDH	Q8N465	S60	PVRRLPFSTVSKQDL	62 / 8 AA	56
Phosphosite 12:	D2HGDH	Q8N465	T61	VRRLPFSTVSKQDLA	62 / 8 AA	56
Phosphosite 13:	C3	P01024	S838	IDLRLPYSVVRNEQV	75 / 8 AA	187
Phosphosite 14:	C12orf11	Q9NVM9	S514	KNDPLPISTVGTRGK	66 / 9 AA	80
Phosphosite 15:	C12orf11	Q9NVM9	T515	NDPLPISTVGTRGKG	75 / 8 AA	80
Phosphosite 16:	SLC8A2	Q9UPR5	Y559	RGTVRLPYRTVDGTA	71 / 7 AA	100
Phosphosite 17:	STK38	Q15208	S281	NRRQLAFSTVGTPDY	62 / 8 AA	54
Phosphosite 18:	DMBT1	Q9UGM3	S484	PTITLPASTVGSESS	66 / 9 AA	261
Phosphosite 19:	APOH	P02749	S32	KPDDLPFSTVVPLKT	83 / 6 AA	38
Phosphosite 20:	STK38	Q15208	T282	RRQLAFSTVGTPDYI	62 / 8 AA	54