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:	FAM21D
Human P-Site:	S146
P-Site Sequence:	FPALGEASSDDDLFQ
UniProt:	Q5SRD0
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	FAM21D	Q5SRD0	S146	FPALGEASSDDDLFQ	100 / 9 AA	33
Phosphosite 1:	FAM21A	Q641Q2	S1179	FPALGEASSDDDLFQ	100 / 9 AA	147
Phosphosite 2:	FAM21B	Q5SNT6	S1091	FPALGEASSDDDLFQ	100 / 9 AA	137
Phosphosite 3:	FAM21A	Q641Q2	S1180	PALGEASSDDDLFQS	100 / 8 AA	147
Phosphosite 4:	FAM21D	Q5SRD0	S147	PALGEASSDDDLFQS	100 / 8 AA	33
Phosphosite 5:	FAM21B	Q5SNT6	S1092	PALGEASSDDDLFQS	100 / 8 AA	137
Phosphosite 6:	SNAPC4	Q5SXM2	S68	EERWGEASNDEDDPK	66 / 9 AA	159
Phosphosite 7:	PLEKHO1	Q53GL0	S363	ERLLGEASSNWSQAK	85 / 7 AA	46
Phosphosite 8:	C9orf16	Q9BUW7	S79	___QQLGEAPSDASP	85 / 7 AA	9
Phosphosite 9:	LRDD	Q9HB75	S299	GNPLGEASPDAPSSP	85 / 7 AA	100
Phosphosite 10:	VPS13C	Q709C8	S1890	LENLGEASSQPSPTQ	85 / 7 AA	422
Phosphosite 11:	GNAS	Q5JWF2	S572	YDEGVASSDDDSSGD	87 / 8 AA	111
Phosphosite 12:	FLJ23588	Q5THR3	S274	ERLLGSASSEDIWRN	75 / 8 AA	173
Phosphosite 13:	GNAS	Q5JWF2	S571	YYDEGVASSDDDSSG	87 / 8 AA	111
Phosphosite 14:	AP3B2	Q13367	S758	PERKGEASSSDEGSD	75 / 8 AA	119
Phosphosite 15:	SIX5	Q8N196	S354	GLALGEASSLGPLLL	100 / 6 AA	75
Phosphosite 16:	MRM1	Q6IN84	S138	WREAGEASPGDDPQQ	75 / 8 AA	39
Phosphosite 17:	POLE	Q07864	S20	PGADGEASRDDGATS	85 / 7 AA	262
Phosphosite 18:	FLNC	Q14315	S2246	RQQEGEASSQDMTAQ	85 / 7 AA	291
Phosphosite 19:	BEND6	Q5SZJ8	S55	AFLPGESSSEDEEPL	62 / 8 AA	31
Phosphosite 20:	BHLHE22	Q8NFJ8	S147	ESSGGEQSPDDDSDG	75 / 8 AA	37