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:	S217
P-Site Sequence:	LPSAEDNSPMASDPL
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	S217	LPSAEDNSPMASDPL	100 / 9 AA	28
Phosphosite 1:	DNA-binding protein RFX8	Q6ZV50	S142	EATCEDHSPMKTDPV	83 / 6 AA	66
Phosphosite 2:	KLHL8	Q9P2G9	S519	VGGFDDNSPLSSVER	62 / 8 AA	69
Phosphosite 3:	DDX26B	Q5JSJ4	S617	KRPGEPNSPMSSKRR	66 / 9 AA	97
Phosphosite 4:	NCOA3	Q9Y6Q9	S505	SPVAGVHSPMASSGN	66 / 9 AA	155
Phosphosite 5:	POLI	Q9UNA4	S291	LSFGEDNSPVILSGP	71 / 7 AA	80
Phosphosite 6:	TRRAP	Q9Y4A5	S2379	EEWVKNNSPMAANQT	62 / 8 AA	438
Phosphosite 7:	FAM13A1	O94988	T664	NVQKEDRTPMAEEYS	71 / 7 AA	80
Phosphosite 8:	DAP3	P51398	S280	TLKREDKSPIAPEEL	62 / 8 AA	46
Phosphosite 9:	PPM1F	P49593	S10	SGAPQKSSPMASGAE	55 / 9 AA	50
Phosphosite 10:	C5orf36	Q8IV33	S153	LHSVEDNSSMDVKSM	71 / 7 AA	38
Phosphosite 11:	HDAC4	P56524	T808	GHHAEESTPMGFCYF	50 / 8 AA	119
Phosphosite 12:	UBR2	Q8IWV8	S1081	TSAVLDHSPVASDMT	71 / 7 AA	201
Phosphosite 13:	HMBS	P08397	S15	AATAEENSPKMRVIR	71 / 7 AA	39
Phosphosite 14:	FYB	O15117	S214	ENSHEDESPMKNVSS	83 / 6 AA	85
Phosphosite 15:	AKAP6	Q13023	S24	DPMATDASPMAINMT	75 / 8 AA	257
Phosphosite 16:	NFAT5	O94916	S1499	SQQMPENSPLASSIN	71 / 7 AA	166
Phosphosite 17:	C5orf36	Q8IV33	S154	HSVEDNSSMDVKSMW	83 / 6 AA	38
Phosphosite 18:	KIF18B	Q86Y91	S651	PSALEADSPMAPKRG	62 / 8 AA	92
Phosphosite 19:	GPR124	Q96PE1	S1107	PAAAEDGSPVFGEGP	71 / 7 AA	143
Phosphosite 20:	epsin 3	Q9H201	S264	RSWQGDGSPMANGAG	71 / 7 AA	68