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:	S976
P-Site Sequence:	DQVPDTESETRILLQ
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	S976	DQVPDTESETRILLQ	100 / 9 AA	187
Phosphosite 1:	C3	P01024	T974	LSDQVPDTESETRIL	100 / 7 AA	187
Phosphosite 2:	CLASP1	Q7Z460	S500	KGIHDADSEARIEAR	55 / 9 AA	169
Phosphosite 3:	PTRH2	Q9Y3E5	S54	KTHTDTESEASILGD	75 / 8 AA	19
Phosphosite 4:	GPR179	Q6PRD1	S1251	CPWEVTESETRQPDS	100 / 6 AA	257
Phosphosite 5:	SKT	Q5T5P2	T1296	LQYSIPDTENQTLNY	71 / 7 AA	214
Phosphosite 6:	KIAA1731	Q9C0D2	S1319	LEPLFTESESKIFSS	71 / 7 AA	295
Phosphosite 7:	SPEF2	Q9C093	T652	SDEVLPETEGETMLS	71 / 7 AA	210
Phosphosite 8:	KIAA1731	Q9C0D2	S1321	PLFTESESKIFSSHL	71 / 7 AA	295
Phosphosite 9:	CUBN	O60494	S997	LEVYDTDSETSLGRY	62 / 8 AA	399
Phosphosite 10:	C9orf102	A4D997	S370	SRSLNSESETRERRL	71 / 7 AA	61
Phosphosite 11:	IMPG1	Q17R60	T391	LPAFGPDTQSELPTS	83 / 6 AA	89
Phosphosite 12:	SUN2	Q9UH99	S384	IVRASQESEARIQQL	83 / 6 AA	80
Phosphosite 13:	PLEKHH2	Q8IVE3	S80	ANIQTSESETRLYNK	71 / 7 AA	168
Phosphosite 14:	CHD9	Q3L8U1	S2485	QGIPDTESPVPVINL	55 / 9 AA	326
Phosphosite 15:	IMPG1	Q17R60	S393	AFGPDTQSELPTSFA	83 / 6 AA	89
Phosphosite 16:	POTEG	Q6S5H5	T549	ESQQFPDTENEQYHS	83 / 6 AA	67
Phosphosite 17:	POTEH	Q6S545	T500	ESQQFPDTENEQYHS	83 / 6 AA	61
Phosphosite 18:	Putative POTE ankyrin domain family member M	A6NI47	T463	ESQQFPDTENEQYHS	83 / 6 AA	57
Phosphosite 19:	PLEKHO1	Q53GL0	S348	RSPPDSESEQLLLET	83 / 6 AA	46
Phosphosite 20:	EPB41L1	Q9H4G0	S820	KTVKGGFSETRIEKR	100 / 5 AA	99