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:	S557
P-Site Sequence:	ETDESVSSSNASLKL
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	S557	ETDESVSSSNASLKL	100 / 9 AA	284
Phosphosite 1:	MAST4	O15021	S556	PETDESVSSSNASLK	100 / 8 AA	284
Phosphosite 2:	MAST4	O15021	S558	TDESVSSSNASLKLR	100 / 8 AA	284
Phosphosite 3:	LARP2	Q659C4	S670	GTSSVSTSNASPSEG	87 / 8 AA	105
Phosphosite 4:	FRMD4B	Q9Y2L6	T900	LYSSVSSTNASGNWR	87 / 8 AA	112
Phosphosite 5:	RNF103	O00237	S98	EASESVSSTNFSGEM	77 / 9 AA	79
Phosphosite 6:	FRMD4B	Q9Y2L6	S899	SLYSSVSSTNASGNW	87 / 8 AA	112
Phosphosite 7:	LARP2	Q659C4	T669	PGTSSVSTSNASPSE	87 / 8 AA	105
Phosphosite 8:	C17orf85	Q53F19	S446	SMRADSVSSSNIKNR	85 / 7 AA	71
Phosphosite 9:	RNF103	O00237	S97	EEASESVSSTNFSGE	85 / 7 AA	79
Phosphosite 10:	ADCY8	P40145	S608	IVKESVSSSDRRNSG	85 / 7 AA	140
Phosphosite 11:	ADCY8	P40145	S607	DIVKESVSSSDRRNS	85 / 7 AA	140
Phosphosite 12:	PLEKHM2	Q8IWE5	S282	EPAETVSSSDTTPVH	55 / 9 AA	113
Phosphosite 13:	GPRIN1	Q7Z2K8	S757	PKAEPVSSTEASSLG	66 / 9 AA	102
Phosphosite 14:	KIAA1486	Q9P242	S160	TSSETVSSTAASKSG	66 / 9 AA	71
Phosphosite 15:	TTC14	Q96N46	S490	SADESVSSSSSSSSS	77 / 9 AA	88