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:	S2619
P-Site Sequence:	RGKESLRSSPHKKAL
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	S2619	RGKESLRSSPHKKAL	100 / 9 AA	284
Phosphosite 1:	MAST4	O15021	S2620	GKESLRSSPHKKAL_	100 / 8 AA	284
Phosphosite 2:	Rad18	Q9NS91	S236	KKESLRSSVHKRKPL	87 / 8 AA	56
Phosphosite 3:	GTF2A1L	Q9UNN4	T281	LHDESLSTSPHGALH	75 / 8 AA	52
Phosphosite 4:	CKAP4	Q07065	S179	FESILRSSQHKQDLT	85 / 7 AA	66
Phosphosite 5:	GTF2A1L	Q9UNN4	S280	NLHDESLSTSPHGAL	75 / 8 AA	52
Phosphosite 6:	CKAP4	Q07065	S178	TFESILRSSQHKQDL	85 / 7 AA	66
Phosphosite 7:	MORC2	Q9Y6X9	T982	ASEESLRTSERKLRE	66 / 9 AA	118
Phosphosite 8:	PPA2	Q9H2U2	S316	SLVESVSSSPNKESN	66 / 9 AA	38
Phosphosite 9:	SYNJ1	O43426	S1391	QSQENMRSSPNPFIT	62 / 8 AA	173
Phosphosite 10:	NRG2	O14511	S586	SVDSLRDSPHSERYV	85 / 7 AA	92
Phosphosite 11:	C1orf88	Q8TCI5	S42	KFVPLRGSPHRGPGC	62 / 8 AA	22
Phosphosite 12:	EPS15L1	Q9UBC2	S238	PPKDSLRSTPSHGSV	71 / 7 AA	94
Phosphosite 13:	CACNA1H	O95180	S1126	KPPASLRSSPCAPWG	75 / 8 AA	259
Phosphosite 14:	EXTL3	O43909	S355	EKIESLRSSLQEARS	75 / 8 AA	105
Phosphosite 15:	LARS	Q9P2J5	S786	ANWDSLRSGPASTFN	71 / 7 AA	134
Phosphosite 16:	XRRA1	Q6P2D8	S289	DWNGGRGSPHKEPQF	83 / 6 AA	90
Phosphosite 17:	HOXD13	P35453	S153	LQQNALKSSPHASLG	62 / 8 AA	36
Phosphosite 18:	TULP4	Q9NRJ4	S1374	DFNSLISSPHLGREK	85 / 7 AA	169
Phosphosite 19:	ARL5A	Q9Y689	S72	WDIGGQESLRSSWNT	100 / 6 AA	21
Phosphosite 20:	ARL5B	Q96KC2	S72	WDIGGQESLRSSWNT	100 / 6 AA	20