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:	C1s
Human P-Site:	Y311
P-Site Sequence:	WEPAKAKYVFRDVVQ
UniProt:	P09871
Intern. Prot. ID:	IPI00017696

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C1s	P09871	Y311	WEPAKAKYVFRDVVQ	100 / 9 AA	77
Phosphosite 1:	C2orf56	Q7L592	Y75	TNPAKGYYVYRDMLG	66 / 9 AA	49
Phosphosite 2:	POLR2A	P24928	Y418	SQYPGAKYIIRDNGD	71 / 7 AA	217
Phosphosite 3:	USF1	P22415	Y49	FPDPNVKYVFRTENG	62 / 8 AA	34
Phosphosite 4:	UGGT1	Q9NYU2	Y225	SNAGKINYVFRHYIF	55 / 9 AA	177
Phosphosite 5:	LAMC1	P11047	Y623	PSETTVKYVFRLHEA	62 / 8 AA	178
Phosphosite 6:	KBTBD4	Q9NVX7	Y477	ASCNGSIYVFRDRYK	100 / 5 AA	58
Phosphosite 7:	PITX3	O75364	Y254	AAAASSPYVYRDPCN	55 / 9 AA	32
Phosphosite 8:	exportin 7	Q9UIA9	Y128	FDCQKDDYVFRNAIT	62 / 8 AA	124
Phosphosite 9:	KCNU1	A8MYU2	Y710	KRTGKSKYKFRNHIV	55 / 9 AA	130
Phosphosite 10:	FSIP2	Q5CZC0	Y2756	HITAKSKYGFPNKHS	55 / 9 AA	370
Phosphosite 11:	CNTN3	Q9P232	Y761	TSPDTPRYVFRNESI	50 / 8 AA	113
Phosphosite 12:	USP32	Q8NFA0	Y98	KDEEKAKYIFSLFSS	62 / 8 AA	182
Phosphosite 13:	MRPS22	P82650	Y156	EGTETTKYVFTDISY	55 / 9 AA	41
Phosphosite 14:	CNTN4	Q8IWV2	Y760	ASADASRYVFRNESV	57 / 7 AA	113
Phosphosite 15:	WDR19	Q8NEZ3	Y1091	GMPKDAKYLFRLYMA	83 / 6 AA	152
Phosphosite 16:	KNL2	Q6P0N0	Y1057	NRNDCDKYVFRMQKY	100 / 5 AA	129
Phosphosite 17:	PITX2	Q99697	Y271	YAPPTPPYVYRDTCN	44 / 9 AA	35
Phosphosite 18:	ZNF561	Q8N587	Y64	LLDTTEKYLYRDVML	44 / 9 AA	55
Phosphosite 19:	ALAS1	P13196	Y354	RNSRVPKYIFRHNDV	57 / 7 AA	71
Phosphosite 20:	B3GALT1	Q9Y5Z6	Y172	TFCSKAKYVMKTDSD	62 / 8 AA	38