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:	MAST4
Human P-Site:	S2555
P-Site Sequence:	SHRDRALSVTATVGE
UniProt:	O15021
Intern. Prot. ID:	IPI00307611

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MAST4	O15021	S2555	SHRDRALSVTATVGE	100 / 9 AA	284
Phosphosite 1:	FGFR3	P22607	T753	EDLDRVLTVTSTDEY	66 / 9 AA	88
Phosphosite 2:	UBR2	Q8IWV8	S413	DDHERAVSVTALSVQ	75 / 8 AA	201
Phosphosite 3:	KIAA1109	Q2LD37	S3781	TPVNRSLSGTATERN	66 / 9 AA	555
Phosphosite 4:	MAST4	O15021	T2557	RDRALSVTATVGETK	100 / 7 AA	284
Phosphosite 5:	OR10X1	Q8NGY0	S109	LAKDRSISVTGCSLQ	62 / 8 AA	36
Phosphosite 6:	UBR1	Q8IWV7	S413	DDHDRSISITALSVQ	62 / 8 AA	200
Phosphosite 7:	C14orf169	Q9H6W3	S522	TDRERALSVYGLPIR	62 / 8 AA	71
Phosphosite 8:	BZFB	Q9NVA1	S39	GQGDRALSRTSQWPQ	75 / 8 AA	35
Phosphosite 9:	LIG3	P49916	S472	PGQRRALSVQASLMT	75 / 8 AA	113
Phosphosite 10:	OR10X1	Q8NGY0	S107	DLLAKDRSISVTGCS	71 / 7 AA	36
Phosphosite 11:	PTPRB	P23467	S1666	IRRDRPLSVHLNLGQ	83 / 6 AA	224
Phosphosite 12:	GluR1	P42261	S156	YDADRGLSVLQKVLD	83 / 6 AA	102
Phosphosite 13:	TMCC2	O75069	S462	EEAARALSGSATLVS	75 / 8 AA	77
Phosphosite 14:	L3MBTL	Q9Y468	S657	LSAHPDRSLSVCWEQ	83 / 6 AA	86
Phosphosite 15:	PSMB11	A5LHX3	S280	AAEDRELSVGPGEVT	83 / 6 AA	33
Phosphosite 16:	UQCRC2	P22695	S111	EAVGGKLSVTATREN	100 / 6 AA	48
Phosphosite 17:	UQCRC2	P22695	T113	VGGKLSVTATRENMA	100 / 6 AA	48
Phosphosite 18:	HIRA	P54198	S310	GSKDRSLSVWLTCLK	66 / 9 AA	112
Phosphosite 19:	EEFSEC	P57772	S28	TALARALSTTASTAA	75 / 8 AA	65
Phosphosite 20:	ATAD2B	Q9ULI0	S1088	ARIKRGLSVTSEQIN	71 / 7 AA	165