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:	S364
P-Site Sequence:	RSLSPGRSPACCDHE
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	S364	RSLSPGRSPACCDHE	100 / 9 AA	284
Phosphosite 1:	MAST1	Q9Y2H9	S167	RSLSPGRSPSSYDNE	66 / 9 AA	171
Phosphosite 2:	ARMC5	Q96C12	S510	TQRTPGRSPAAAIEE	85 / 7 AA	98
Phosphosite 3:	MAST2	Q6P0Q8	S305	RSLSPGRSPVSFDSE	75 / 8 AA	196
Phosphosite 4:	FGD1	P98174	S796	LHGVPGSSPACSQHT	75 / 8 AA	107
Phosphosite 5:	PKN3	Q6P5Z2	S299	LTAVPGRSPAAALAS	100 / 6 AA	99
Phosphosite 6:	FGD1	P98174	S795	ALHGVPGSSPACSQH	85 / 7 AA	107
Phosphosite 7:	DUSP8	Q13202	S467	PAGSPARSPAHSLGL	66 / 9 AA	66
Phosphosite 8:	FOXP1	Q9H334	S625	SDSSPGRSPMQAVHP	100 / 6 AA	75
Phosphosite 9:	CCDC88C	Q9P219	S1985	PAKSPGRSPDLAPHP	100 / 6 AA	228
Phosphosite 10:	PDE4A	P27815	S121	PTPSPGRSPLDSQAS	100 / 6 AA	98
Phosphosite 11:	ELYS	Q8WYP5	S1222	PSPSPGRSPQRLKET	100 / 6 AA	252
Phosphosite 12:	PDE4B	Q07343	S106	NGPSPGRSPLDPQAS	100 / 6 AA	83
Phosphosite 13:	CTU1	Q7Z7A3	S140	STAGSGRSRSCCTFC	62 / 8 AA	36
Phosphosite 14:	SYNE1	Q8NF91	S5995	ESPEPGRSPESQMAE	71 / 7 AA	1011
Phosphosite 15:	ERC1	Q8IUD2	S21	SSQSPGRSPRLPRSP	100 / 6 AA	128
Phosphosite 16:	MAN2A2	P49641	S829	ASPTSPRSPPCCVSL	83 / 6 AA	129
Phosphosite 17:	HEPACAM	Q14CZ8	S368	YPRSPARSPATGRTH	85 / 7 AA	46
Phosphosite 18:	C19orf44	Q9H6X5	S340	LVSSPGRSEAETVDE	85 / 7 AA	71
Phosphosite 19:	GPR62	Q9BZJ7	S356	PELAGGRSPAYQGPP	83 / 6 AA	38
Phosphosite 20:	DBH	P09172	S603	CPTSQGRSPAGPTVV	85 / 7 AA	69