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:	S1387
P-Site Sequence:	SPLARTPSPTPQPTS
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	S1387	SPLARTPSPTPQPTS	100 / 9 AA	284
Phosphosite 1:	MAST4	O15021	T1385	PLSPLARTPSPTPQP	100 / 7 AA	284
Phosphosite 2:	ARHGAP11A	Q6P4F7	S304	FKPNRTPSITPQEER	87 / 8 AA	114
Phosphosite 3:	MUC2	Q02817	T4310	TTSAWTPTPTPLSTP	66 / 9 AA	540
Phosphosite 4:	MAST4	O15021	T1389	LARTPSPTPQPTSPQ	100 / 7 AA	284
Phosphosite 5:	RFX1	P22670	S94	PTGAPTPSPAPQQYI	77 / 9 AA	105
Phosphosite 6:	SFRS18	Q8TF01	S313	GKVTRSPSPVPQEEH	66 / 9 AA	93
Phosphosite 7:	ZNF513	Q8N8E2	S253	PRPARPPSPTEQEGA	77 / 9 AA	58
Phosphosite 8:	GRAMD1B	Q3KR37	S30	ILRKRSRSPTPQNQD	75 / 8 AA	85
Phosphosite 9:	WBSCR20C	Q63ZY6	S260	SAPERTPSPAPKRKK	66 / 9 AA	34
Phosphosite 10:	APBB2	Q92870	T343	SSVTPSPTPENEKQP	85 / 7 AA	83
Phosphosite 11:	DAB2IP	Q5VWQ8	S702	IDFTRLPSPTPENKD	66 / 9 AA	132
Phosphosite 12:	ULK1	O75385	S403	ESHGRTPSPSPPCSS	75 / 8 AA	113
Phosphosite 13:	exonuclease 1	Q9UQ84	S623	GDFSRTPSPSPSTAL	75 / 8 AA	94
Phosphosite 14:	APBB2	Q92870	S341	SLSSVTPSPTPENEK	85 / 7 AA	83
Phosphosite 15:	SCRIB	Q14160	S1547	PSPAPTPSPTPVEDL	87 / 8 AA	175
Phosphosite 16:	RBMX2	Q9Y388	T140	EKGCGARTPSPSLSE	85 / 7 AA	37
Phosphosite 17:	RBMX2	Q9Y388	S142	GCGARTPSPSLSESS	85 / 7 AA	37
Phosphosite 18:	RalGDS	Q12967	S284	LTPARAPSPVPAPAP	75 / 8 AA	101
Phosphosite 19:	CSF2	P04141	S24	SAPARSPSPSTQPWE	66 / 9 AA	16
Phosphosite 20:	PM20D2	Q8IYS1	S100	PPEARAPSATPRPLH	66 / 9 AA	48