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:	S906
P-Site Sequence:	VEIRQFSSCSHRFSK
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	S906	VEIRQFSSCSHRFSK	100 / 9 AA	284
Phosphosite 1:	MAST4	O15021	S905	NVEIRQFSSCSHRFS	100 / 8 AA	284
Phosphosite 2:	MAST3	O60307	S699	TEIPQFSSCSHRFSK	100 / 8 AA	143
Phosphosite 3:	MAST1	Q9Y2H9	S706	VEIRQFSSCSPRFSK	88 / 9 AA	171
Phosphosite 4:	MAST3	O60307	S698	STEIPQFSSCSHRFS	87 / 8 AA	143
Phosphosite 5:	MAST1	Q9Y2H9	S705	PVEIRQFSSCSPRFS	87 / 8 AA	171
Phosphosite 6:	MAST2	Q6P0Q8	S843	CLEIRQFSSCSPRFN	87 / 8 AA	196
Phosphosite 7:	MAST3	O60307	S701	IPQFSSCSHRFSKVY	100 / 7 AA	143
Phosphosite 8:	MAST4	O15021	S908	IRQFSSCSHRFSKVF	100 / 7 AA	284
Phosphosite 9:	KPRP	Q5T749	S316	CPRRPISSCSQRRGP	66 / 9 AA	64
Phosphosite 10:	CCR7	P32248	S357	EQLRQWSSCRHIRRS	75 / 8 AA	43
Phosphosite 11:	CCR7	P32248	S356	QEQLRQWSSCRHIRR	75 / 8 AA	43
Phosphosite 12:	KRTAP13-3	Q3SY46	S14	SRNFSSCSHGGYLHY	100 / 6 AA	19
Phosphosite 13:	KRT85	P78386	S20	GVTRNFSSCSAVAPK	85 / 7 AA	56
Phosphosite 14:	SERTAD4	Q9NUC0	S93	DFHPPLSSCSHKTIS	55 / 9 AA	39
Phosphosite 15:	KIAA1931	Q96PV7	S327	LKMPPPFSGCSHPCS	62 / 8 AA	97
Phosphosite 16:	MAST2	Q6P0Q8	S846	IRQFSSCSPRFNKVY	85 / 7 AA	196
Phosphosite 17:	MAST1	Q9Y2H9	S708	IRQFSSCSPRFSKVY	85 / 7 AA	171
Phosphosite 18:	CCDC3	Q9BQI4	S161	FSSLFQFSNCSQGQQ	71 / 7 AA	31
Phosphosite 19:	SERTAD4	Q9NUC0	S95	HPPLSSCSHKTISIF	71 / 7 AA	39
Phosphosite 20:	ERM	P41161	S101	SPSSELSSCSHEQAL	71 / 7 AA	58