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:	S922
P-Site Sequence:	AVYHHFISDGVRKSL
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	S922	AVYHHFISDGVRKSL	100 / 9 AA	187
Phosphosite 1:	TAF6	P49848	S264	PRFSTFISEGVRVNV	85 / 7 AA	73
Phosphosite 2:	IMPDH1	P20839	S403	APGEYFFSDGVRLKK	75 / 8 AA	55
Phosphosite 3:	YTHDF3	Q7Z739	Y100	MSNGEHHYIPDGVFS	71 / 7 AA	64
Phosphosite 4:	SACS	Q9NZJ4	S3252	KNAWHFISESVSVKE	62 / 8 AA	521
Phosphosite 5:	MARVELD2	Q8N4S9	S110	VSDIRYISDGVECSP	71 / 7 AA	64
Phosphosite 6:	SIN3B	O75182	S902	RQLHHLVSDDVCLKV	62 / 8 AA	133
Phosphosite 7:	ZNF271	Q14591	S16	SQEHHLLSDGENKTK	71 / 7 AA	76
Phosphosite 8:	SDR42E1	Q8WUS8	S255	SGQPYFISDGRPVNN	71 / 7 AA	44
Phosphosite 9:	PKG2	Q13237	S362	FGEKALISDDVRSAN	71 / 7 AA	87
Phosphosite 10:	MUC2	Q02817	S183	QSYSEFLSDGVLFSP	83 / 6 AA	540
Phosphosite 11:	SRBD1	Q8N5C6	S455	LTVKVNISDGVKDEF	83 / 6 AA	112
Phosphosite 12:	CUBN	O60494	S1834	TLWVRFISDGSGSGT	83 / 6 AA	399
Phosphosite 13:	RACK1	P63244	S67	RGHSHFVSDVVISSD	71 / 7 AA	35
Phosphosite 14:	WDR51A	Q8NBT0	S113	VRSVHFCSDGQSFVT	83 / 6 AA	45
Phosphosite 15:	CLUL1	Q15846	S219	TFQSHFISDTDLTEP	100 / 5 AA	54
Phosphosite 16:	PRAMEF18	Q5VWM3	S240	NLRKLFISDGCGYLP	83 / 6 AA	55
Phosphosite 17:	PRAMEF19	Q5SWL8	S171	NLRKLFISDGCGYLP	83 / 6 AA	47
Phosphosite 18:	USP30	Q70CQ3	S275	HCLHHFISSESVRDV	100 / 5 AA	59
Phosphosite 19:	SCO2	O43819	S251	SRSAEQISDSVRRHM	83 / 6 AA	30
Phosphosite 20:	WDR18	Q9BV38	S138	GDSSHFISGGKDCLV	83 / 6 AA	47