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:	FGF21
Human P-Site:	S200
P-Site Sequence:	PLSMVGPSQGRSPSY
UniProt:	Q9NSA1
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	FGF21	Q9NSA1	S200	PLSMVGPSQGRSPSY	100 / 9 AA	22
Phosphosite 1:	RNASEN	Q9NRR4	S1293	TLQTVGPSHARTYTV	55 / 9 AA	159
Phosphosite 2:	BSG	P35613	S279	SRFFVSSSQGRSELH	66 / 9 AA	42
Phosphosite 3:	HAUS4	Q9H6D7	S131	LMRLLGPSQEREIPP	62 / 8 AA	42
Phosphosite 4:	ATRX	P46100	S2487	RSKNPGPSQGKSM__	85 / 7 AA	283
Phosphosite 5:	MLK1	P80192	S1013	PWWFVSPSHARSTSP	55 / 9 AA	122
Phosphosite 6:	FAM120A	Q9NZB2	S881	HFGPVPPSQGRGRGF	85 / 7 AA	122
Phosphosite 7:	Transmembrane protein ENSP00000340100	A6NFA0	S133	SLTSLGPSQGSSCLE	75 / 8 AA	38
Phosphosite 8:	FBXO7	Q9Y3I1	S143	DDSMLGPSQNFEAES	83 / 6 AA	59
Phosphosite 9:	SUPT16H	Q9Y5B9	S295	RTLMVDPSQEVQENY	71 / 7 AA	120
Phosphosite 10:	LBA1	O15050	S1621	PLDKPGSSQGRSLMV	66 / 9 AA	284
Phosphosite 11:	PDE4B	Q07343	S102	FDVENGPSPGRSPLD	85 / 7 AA	83
Phosphosite 12:	RECQL5	O94762	S461	SKTCIGPSQGNGFDP	83 / 6 AA	109
Phosphosite 13:	BPTF	Q12830	S652	TSEETSPSEGRSPVG	62 / 8 AA	338
Phosphosite 14:	COL6A1	P12109	S780	SCQGLAPSQGRPGLS	62 / 8 AA	109
Phosphosite 15:	OPHN1	O60890	S793	ASRKTGSSQGRLPGD	62 / 8 AA	92
Phosphosite 16:	OPHN1	O60890	S792	TASRKTGSSQGRLPG	62 / 8 AA	92
Phosphosite 17:	TNK2	Q07912	S664	AGVPAGPSQGQTNYA	62 / 8 AA	115
Phosphosite 18:	ADAMTSL2	Q86TH1	S398	LDMELGPSQGQETNE	71 / 7 AA	105
Phosphosite 19:	ZNF469	Q96JG9	S940	PTEADAPSQGRQQRR	83 / 6 AA	259
Phosphosite 20:	KLHL1	Q9NR64	S54	EHWGPSQSRLLKSQE	83 / 6 AA	83