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:	S2454
P-Site Sequence:	TGQSSFRSTALPEKS
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	S2454	TGQSSFRSTALPEKS	100 / 9 AA	284
Phosphosite 1:	MAST4	O15021	T2455	GQSSFRSTALPEKSL	100 / 8 AA	284
Phosphosite 2:	HIVEP1	P15822	T1454	HPTSFQNTALPSVNA	75 / 8 AA	297
Phosphosite 3:	NPR2	P20594	T671	GLASFRSTAEPDDSH	87 / 8 AA	117
Phosphosite 4:	NPR2	P20594	S670	YGLASFRSTAEPDDS	77 / 9 AA	117
Phosphosite 5:	ADCY2	Q08462	T595	LEKEYRATALPAFKY	71 / 7 AA	124
Phosphosite 6:	KIAA1107	Q9UPP5	S1228	KSLDSFRSQVLPQEG	75 / 8 AA	156
Phosphosite 7:	MKLN1	Q9UL63	S28	HKWSSFSSTYLPENI	77 / 9 AA	85
Phosphosite 8:	ACOT9	Q9Y305	S278	PKTISFRSRVLPSNA	75 / 8 AA	50
Phosphosite 9:	SSFA2	P28290	S1044	RMPSPFRSSALMGMC	75 / 8 AA	138
Phosphosite 10:	ZNF532	Q9HCE3	S161	DMRSSFRSNVLTGSA	75 / 8 AA	142
Phosphosite 11:	NFAT3	Q14934	S401	HSPIFRTSALPPLDW	71 / 7 AA	95
Phosphosite 12:	GDF5OS	Q5U4N7	T98	KPRPRRSTALPRSQA	100 / 6 AA	28
Phosphosite 13:	GDF5OS	Q5U4N7	S97	SKPRPRRSTALPRSQ	100 / 6 AA	28
Phosphosite 14:	TSPEAR	Q8WU66	S149	QTRVSFRSPALVDGR	85 / 7 AA	75
Phosphosite 15:	SH3GL1	Q99961	S291	AASSSFRSSDKPIRT	66 / 9 AA	41
Phosphosite 16:	PPP1R10	Q96QC0	T211	SHAKFRSTGLELETP	83 / 6 AA	99
Phosphosite 17:	CCDC27	Q2M243	S26	REKPGLSSFRSTFRQ	100 / 6 AA	75
Phosphosite 18:	MAST4	O15021	S2451	PSATGQSSFRSTALP	100 / 6 AA	284
Phosphosite 19:	KIDINS220	Q9ULH0	T1272	DWHLFRSTVLEMRNA	83 / 6 AA	197
Phosphosite 20:	PRKDC	P78527	S2599	DSDWRFRSTVLTPMF	62 / 8 AA	469