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:	FGF23
Human P-Site:	S221
P-Site Sequence:	EDNSPMASDPLGVVR
UniProt:	Q9GZV9
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	FGF23	Q9GZV9	S221	EDNSPMASDPLGVVR	100 / 9 AA	28
Phosphosite 1:	F8	P00451	S168	KENGPMASDPLCLTY	100 / 7 AA	267
Phosphosite 2:	DNA-binding protein RFX8	Q6ZV50	T146	EDHSPMKTDPVGSPL	66 / 9 AA	66
Phosphosite 3:	NOX5	Q96PH1	S525	LYESFKASDPLGRGS	77 / 9 AA	86
Phosphosite 4:	MLL3	Q8NEZ4	S1609	SAFNPMASDPNNSWT	85 / 7 AA	541
Phosphosite 5:	VCAN	P13611	S444	DDYSPSASGPLGKLD	77 / 9 AA	373
Phosphosite 6:	PPFIA3	O75145	T800	PSDETLATDPLGLAK	71 / 7 AA	133
Phosphosite 7:	DERPC	P0CG13	S403	PTIFPRASGPLGPNP	75 / 8 AA	51
Phosphosite 8:	ITGB5	P18084	S770	RARYEMASNPLYRKP	83 / 6 AA	88
Phosphosite 9:	MATN3	O15232	S235	ASLKMMASEPLEEHV	71 / 7 AA	53
Phosphosite 10:	MAP2	P11137	S729	HDLSPLASDILTNTS	75 / 8 AA	200
Phosphosite 11:	TTN	Q8WZ42	S7177	GQYSCSASNPLGTAS	66 / 9 AA	3816
Phosphosite 12:	HUWE1	Q7Z6Z7	S649	AMRRRRSSDPLGDTA	55 / 9 AA	482
Phosphosite 13:	C3orf63	Q9UK61	S1139	HLLEPLCSDPLKDTN	71 / 7 AA	189
Phosphosite 14:	VWA5B1	Q5TIE3	S676	LPRATMASDPMPAAK	83 / 6 AA	134
Phosphosite 15:	STK19	P49842	S136	RKRGPVESDPLRGEP	71 / 7 AA	41
Phosphosite 16:	PTCH2	Q9Y6C5	S628	AHLVPPPSDPLGSEL	75 / 8 AA	131
Phosphosite 17:	ALS2	Q96Q42	S370	HGEKPMPSQPLLEEA	71 / 7 AA	184
Phosphosite 18:	PDZD2	O15018	S2081	KGGNIMASDRLERTN	83 / 6 AA	302
Phosphosite 19:	CCDC88C	Q9P219	S1448	DPASPAASQPLRSQA	75 / 8 AA	228
Phosphosite 20:	NPDC1	Q9NQX5	S165	SLGSPVSSDPVHMSP	62 / 8 AA	35