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:	Mad4
Human P-Site:	S151
P-Site Sequence:	DSTGSAVSTDDSEQE
UniProt:	Q14582
Intern. Prot. ID:	IPI00031584

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Mad4	Q14582	S151	DSTGSAVSTDDSEQE	100 / 9 AA	24
Phosphosite 1:	Mad4	Q14582	T152	STGSAVSTDDSEQEV	100 / 8 AA	24
Phosphosite 2:	USP53	Q70EK8	S357	NPDGTAVSTEDALRQ	66 / 9 AA	121
Phosphosite 3:	XKR7	Q5GH72	S128	GSPGPAVSTKDSVAG	77 / 9 AA	64
Phosphosite 4:	SGK110	P0C264	S325	GVLGSAVSYEDREEG	66 / 9 AA	38
Phosphosite 5:	LARP4	Q71RC2	T116	ESNSAVSTEDLKECL	85 / 7 AA	81
Phosphosite 6:	RFTN1	Q14699	T361	FIFEAVSTEDSKTIQ	85 / 7 AA	63
Phosphosite 7:	TMEM26	Q6ZUK4	T360	PLRGSPVTSDDSHHT	66 / 9 AA	42
Phosphosite 8:	NOTCH4	Q99466	S1945	AGRGGRVSTDDWPCD	66 / 9 AA	210
Phosphosite 9:	FREM3	P0C091	S365	GQQGYVVSTDDPLGL	66 / 9 AA	238
Phosphosite 10:	SMN1	Q16637	T167	ENESQVSTDESENSR	75 / 8 AA	32
Phosphosite 11:	SMN1	Q16637	S166	NENESQVSTDESENS	75 / 8 AA	32
Phosphosite 12:	SNAP29	O95721	S185	RGAGSAMSTDAYPKN	85 / 7 AA	29
Phosphosite 13:	CCDC64	Q6ZP65	T375	SADSAVSTDSSMDES	87 / 8 AA	55
Phosphosite 14:	ZNRF1	Q8ND25	S19	RGPFPGVSTDDSAVP	75 / 8 AA	24
Phosphosite 15:	ZKSCAN2	Q63HK3	S273	VSLGSAVSTSNKITR	75 / 8 AA	111
Phosphosite 16:	FAM44A	Q8NFC6	S2124	APMPSAVSGDDSQLT	87 / 8 AA	330
Phosphosite 17:	PRPF4	O43172	S102	RARQINVSTDDSEVK	100 / 6 AA	58
Phosphosite 18:	CCDC64	Q6ZP65	S374	DSADSAVSTDSSMDE	87 / 8 AA	55
Phosphosite 19:	ARHGAP20	Q9P2F6	S951	SPSGSSVSSQDSAFS	66 / 9 AA	133
Phosphosite 20:	C17orf57	Q8IY85	S238	RIKGGRVSTDDVFAV	75 / 8 AA	110