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:	S112
P-Site Sequence:	PPAPRGSSASQEEQD
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	S112	PPAPRGSSASQEEQD	100 / 9 AA	284
Phosphosite 1:	FLG	P20930	S2242	TSRPRGSSVSQDSDS	77 / 9 AA	435
Phosphosite 2:	MAST4	O15021	S111	VPPAPRGSSASQEEQ	100 / 8 AA	284
Phosphosite 3:	CCDC102A	Q96A19	S229	AGGPRGSSGRQERSR	77 / 9 AA	63
Phosphosite 4:	FLG	P20930	S2241	RTSRPRGSSVSQDSD	87 / 8 AA	435
Phosphosite 5:	SNAPC4	Q5SXM2	S605	LSPPKGSSASQGGSK	87 / 8 AA	159
Phosphosite 6:	SNAPC4	Q5SXM2	S604	SLSPPKGSSASQGGS	87 / 8 AA	159
Phosphosite 7:	SCML4	Q8N228	S212	QPFPRGCSASEKVQE	75 / 8 AA	45
Phosphosite 8:	ARHGAP23	Q9P227	S314	AMAPRARSASQDRLE	66 / 9 AA	162
Phosphosite 9:	MAST4	O15021	S114	APRGSSASQEEQDEE	100 / 7 AA	284
Phosphosite 10:	ZNF318	Q5VUA4	S1621	STSPLNSSASQEELH	77 / 9 AA	251
Phosphosite 11:	ATP10A	O60312	S477	EVVPRGGSVSQRGSI	75 / 8 AA	168
Phosphosite 12:	USP6NL	Q92738	T547	EDGKRGSTASQYDNV	85 / 7 AA	94
Phosphosite 13:	C14orf139	Q9H761	S55	DLGFPRGSWASFLKR	85 / 7 AA	21
Phosphosite 14:	KIAA0182	Q14687	S78	AEEPRGSSLSSESSP	77 / 9 AA	136
Phosphosite 15:	C19orf47	Q8N9M1	S396	LVGPRGSSSSEGLGA	75 / 8 AA	45
Phosphosite 16:	C19orf47	Q8N9M1	S395	TLVGPRGSSSSEGLG	75 / 8 AA	45
Phosphosite 17:	USP6NL	Q92738	S546	AEDGKRGSTASQYDN	85 / 7 AA	94
Phosphosite 18:	CTNND2	Q9UQB3	S298	TYAAPRGSSPKQSPS	75 / 8 AA	133
Phosphosite 19:	CCDC102A	Q96A19	S228	GAGGPRGSSGRQERS	75 / 8 AA	63
Phosphosite 20:	CTNND2	Q9UQB3	S299	YAAPRGSSPKQSPSR	75 / 8 AA	133