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:	C1R
Human P-Site:	Y180
P-Site Sequence:	FCSCRPGYELQEDTH
UniProt:	P00736
Intern. Prot. ID:	IPI00296165

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C1R	P00736	Y180	FCSCRPGYELQEDTH	100 / 9 AA	80
Phosphosite 1:	STK39	Q9UEW8	Y65	WPICRDAYELQEVIG	77 / 9 AA	60
Phosphosite 2:	FBLN5	Q9UBX5	Y236	ICRCDPGYELEEDGV	77 / 9 AA	50
Phosphosite 3:	HLA-DPB1	P04440	Y76	DRVCRHNYELDEAVT	66 / 9 AA	29
Phosphosite 4:	FBN1	P35555	Y2004	RCICPPGYSLQNEKC	66 / 9 AA	312
Phosphosite 5:	FBLN2	P98095	Y971	QCYCRQGYQLAEDGH	66 / 9 AA	127
Phosphosite 6:	NID2	Q14112	Y833	RCECRSGYEFADDRH	55 / 9 AA	151
Phosphosite 7:	PAPPA	Q13219	Y1246	TVSCRTGYVLQIRRD	75 / 8 AA	181
Phosphosite 8:	FBLN1	P23142	Y469	QCYCRRGYQLSDVDG	55 / 9 AA	77
Phosphosite 9:	SRPX	P78539	Y294	EFSCIGGYELQGSPA	75 / 8 AA	52
Phosphosite 10:	FGF14	Q92915	Y81	RLYCRQGYYLQMHPD	75 / 8 AA	27
Phosphosite 11:	RPAP1	Q9BWH6	S391	EAERAGYSLQELFHL	75 / 8 AA	153
Phosphosite 12:	MASP2	O00187	Y171	YCSCRAGYVLHRNKR	62 / 8 AA	76
Phosphosite 13:	DLG4	P78352	Y50	DTLEAPGYELQVNGT	100 / 6 AA	80
Phosphosite 14:	CSMD2	Q7Z408	Y1415	VFQCDPGYALQGSAE	75 / 8 AA	380
Phosphosite 15:	EFEMP2	O95967	Y232	LCRCHQGYELHRDGF	62 / 8 AA	49
Phosphosite 16:	RPAP1	Q9BWH6	Y390	EEAERAGYSLQELFH	75 / 8 AA	153
Phosphosite 17:	TLL2	Q9Y6L7	Y607	KCACDPGYELAADKK	85 / 7 AA	114
Phosphosite 18:	CSMD2	Q7Z408	Y1939	SFQCEPGYALQGHAH	75 / 8 AA	380
Phosphosite 19:	FBN2	P35556	Y2521	QCSCPRGYVLQEDGK	66 / 9 AA	315
Phosphosite 20:	EFEMP2	O95967	Y113	PNPCPPGYEPDDQDS	55 / 9 AA	49