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:	T228
P-Site Sequence:	RRGSLCRTSNRKSLI
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	T228	RRGSLCRTSNRKSLI	100 / 9 AA	284
Phosphosite 1:	MAST2	Q6P0Q8	T170	RRGSFCRTSNRKSLI	88 / 9 AA	196
Phosphosite 2:	MAST4	O15021	S229	RGSLCRTSNRKSLIG	100 / 8 AA	284
Phosphosite 3:	MAST2	Q6P0Q8	S171	RGSFCRTSNRKSLIV	87 / 8 AA	196
Phosphosite 4:	MAST1	Q9Y2H9	S32	RTKSCRTSNRKSLIL	100 / 7 AA	171
Phosphosite 5:	MAST1	Q9Y2H9	T31	RRTKSCRTSNRKSLI	100 / 7 AA	171
Phosphosite 6:	RAD21L1	Q9H4I0	S513	LMKLCRNSDRKQAAA	75 / 8 AA	63
Phosphosite 7:	CCNG2	Q16589	S174	TIILCHTSERKEILS	75 / 8 AA	39
Phosphosite 8:	RAD21	O60216	T588	LLELCRNTNRKQAAA	75 / 8 AA	72
Phosphosite 9:	USP34	Q70CQ2	Y2576	LIFSLCRYNNRLAEH	75 / 8 AA	404
Phosphosite 10:	Bcl-10	O95999	T59	TEEISCRTSSRKRAG	85 / 7 AA	26
Phosphosite 11:	TRIM31	Q9BZY9	T58	FKCPLCKTSVRKNAI	66 / 9 AA	48
Phosphosite 12:	ZNF789	Q5FWF6	T77	WILDLPRTGNRKASG	75 / 8 AA	50
Phosphosite 13:	Bcl-10	O95999	S61	EISCRTSSRKRAGKL	85 / 7 AA	26
Phosphosite 14:	Bcl-10	O95999	S60	EEISCRTSSRKRAGK	85 / 7 AA	26
Phosphosite 15:	TRIM31	Q9BZY9	S59	KCPLCKTSVRKNAIR	75 / 8 AA	48
Phosphosite 16:	ROCK1	Q13464	S456	MEQKCRTSNIKLDKI	85 / 7 AA	158
Phosphosite 17:	ROCK1	Q13464	T455	EMEQKCRTSNIKLDK	85 / 7 AA	158
Phosphosite 18:	MED17	Q9NVC6	S348	LSISLCHSSNDKKSQ	66 / 9 AA	73
Phosphosite 19:	GOLGA4	Q13439	T96	SKESLVRTSSRESLN	75 / 8 AA	261
Phosphosite 20:	MAST3	O60307	S27	RRGRGCRSGNRKSLV	71 / 7 AA	143