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:	S421
P-Site Sequence:	HPSQKPLSITVRTKK
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	S421	HPSQKPLSITVRTKK	100 / 9 AA	187
Phosphosite 1:	C3	P01024	T423	SQKPLSITVRTKKQE	100 / 7 AA	187
Phosphosite 2:	PRKDC	P78527	S671	SGFYKLLSITVRNAK	87 / 8 AA	469
Phosphosite 3:	UTRN	P46939	S567	FKDQKELSVSVRRLA	66 / 9 AA	394
Phosphosite 4:	MYCL1	P12524	T188	LGIRKPVTITVRADP	66 / 9 AA	40
Phosphosite 5:	WAPL	Q7Z5K2	S578	PPVVKPQSVTVRLSS	75 / 8 AA	133
Phosphosite 6:	FAM71F1	Q96KD3	S202	QILQKGLSITTKDPR	66 / 9 AA	39
Phosphosite 7:	FAM71F2	Q6NXP2	S179	KILQKGLSITTKDPR	66 / 9 AA	35
Phosphosite 8:	ISG15	P05161	S83	DKCDEPLSILVRNNK	66 / 9 AA	18
Phosphosite 9:	RPS11	P62280	S135	VGECRPLSKTVRFNV	75 / 8 AA	18
Phosphosite 10:	SCC-112	Q29RF7	S1149	GAVNKPLSATGRKPY	75 / 8 AA	151
Phosphosite 11:	C8orf39	Q9P1G2	S26	FYSPKPLSTTPRGQS	66 / 9 AA	11
Phosphosite 12:	CBLN4	Q9NTU7	S63	SSSPLGISVRAANSK	71 / 7 AA	22
Phosphosite 13:	C8orf39	Q9P1G2	T27	YSPKPLSTTPRGQSF	75 / 8 AA	11
Phosphosite 14:	FBX38	Q6PIJ6	S592	QRVVKPTSITVHDSE	75 / 8 AA	134
Phosphosite 15:	RPS11	P62280	T137	ECRPLSKTVRFNVLK	85 / 7 AA	18
Phosphosite 16:	C4orf45	Q96LM5	S11	VSYQKPTSTTVGKQM	75 / 8 AA	22
Phosphosite 17:	ALG6	Q9Y672	S422	ELQLKSFSISVRKYL	62 / 8 AA	58
Phosphosite 18:	MYCL1	P12524	T190	IRKPVTITVRADPLD	71 / 7 AA	40
Phosphosite 19:	CAMP	P49913	S78	PDTPKPVSFTVKETV	55 / 9 AA	19
Phosphosite 20:	PHYHIPL	Q96FC7	T117	KAVPLPMTVRGHWFL	71 / 7 AA	42