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:	S1305
P-Site Sequence:	LQLPSRSSKITHRIH
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	S1305	LQLPSRSSKITHRIH	100 / 9 AA	187
Phosphosite 1:	C3	P01024	S1304	SLQLPSRSSKITHRI	100 / 8 AA	187
Phosphosite 2:	NCAPD3	P42695	S404	LYKYSRSSKIPHRVF	87 / 8 AA	169
Phosphosite 3:	SULF1	Q8IWU6	S92	PMCCPSRSSMLTGKY	75 / 8 AA	101
Phosphosite 4:	NBPF5	Q86XG9	T229	SNQPHRSTKITFKEH	75 / 8 AA	41
Phosphosite 5:	NBPF6	Q5VWK0	T229	SNQPHRSTKITFKEH	75 / 8 AA	72
Phosphosite 6:	BBX	Q8WY36	T830	QKRKARKTKITHLVR	62 / 8 AA	105
Phosphosite 7:	C3	P01024	T1308	PSRSSKITHRIHWES	100 / 6 AA	187
Phosphosite 8:	FLJ20309	Q53TQ3	S369	DDAESRSSRVTQLCT	62 / 8 AA	98
Phosphosite 9:	REV3	O60673	S572	ATLEPSSSAKITFQC	75 / 8 AA	353
Phosphosite 10:	ZNF675	Q8TD23	S521	GKAFSRSSKLTEHKI	85 / 7 AA	66
Phosphosite 11:	ZNF675	Q8TD23	S520	CGKAFSRSSKLTEHK	85 / 7 AA	66
Phosphosite 12:	C3orf20	Q8ND61	S892	LHPLSRDSKITSWKK	85 / 7 AA	101
Phosphosite 13:	PTPN3	P26045	S370	TKSLPSRSPPITPNW	75 / 8 AA	104
Phosphosite 14:	AIG1	Q9NVV5	S157	HQYPSRSSGLTAICT	75 / 8 AA	28
Phosphosite 15:	C3	P01024	S1302	DVSLQLPSRSSKITH	100 / 6 AA	187
Phosphosite 16:	SYNPO2	Q9UMS6	S257	ADPFLRSSKIIQISS	71 / 7 AA	118
Phosphosite 17:	DTL	Q9NZJ0	S608	DSLGPTKSSKIEGAG	71 / 7 AA	79
Phosphosite 18:	EFNA1	P20827	T152	VTVSGKITHSPQAHD	83 / 6 AA	24
Phosphosite 19:	LRRC61	Q9BV99	S213	ESWPSRSSSILEEAC	85 / 7 AA	28
Phosphosite 20:	COL29A1	A8TX70	S1881	GQTASRSSIITATME	75 / 8 AA	290