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:	S43
P-Site Sequence:	ASSAESSSGSETLSE
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	S43	ASSAESSSGSETLSE	100 / 9 AA	284
Phosphosite 1:	MAST4	O15021	S42	GASSAESSSGSETLS	100 / 8 AA	284
Phosphosite 2:	POU3F2	P20265	S339	LEEADSSSGSPTSID	77 / 9 AA	47
Phosphosite 3:	GPRASP1	Q5JY77	S297	EVYVESSSGSEHEDH	87 / 8 AA	157
Phosphosite 4:	C17orf85	Q53F19	S614	EVSRESSSGSEAES_	87 / 8 AA	71
Phosphosite 5:	Cdc2L2	Q9UQ88	S289	SSSAESGSGSEEEEE	87 / 8 AA	91
Phosphosite 6:	OBSCN	Q5VST9	S4998	SESEAESSSGGELDD	87 / 8 AA	868
Phosphosite 7:	CDK11B	P21127	S301	SSSAESGSGSEEEEE	87 / 8 AA	93
Phosphosite 8:	ARHGAP17	Q68EM7	S553	SSRAESSSGGGTVPS	77 / 9 AA	95
Phosphosite 9:	MAST4	O15021	S45	SAESSSGSETLSEEG	100 / 7 AA	284
Phosphosite 10:	CHRM4	P08173	S298	DTSNESSSGSATQNT	87 / 8 AA	53
Phosphosite 11:	C17orf85	Q53F19	S613	IEVSRESSSGSEAES	100 / 7 AA	71
Phosphosite 12:	TNRC18	O15417	S2579	SSSSSSGSETEGEEE	100 / 7 AA	315
Phosphosite 13:	CAPRIN2	Q6IMN6	S703	VTTDQASSGSETEFM	75 / 8 AA	126
Phosphosite 14:	TNRC18	O15417	S2577	SSSSSSSSGSETEGE	100 / 7 AA	315
Phosphosite 15:	UNC119	Q13432	S37	QPPAESESGSESEPD	77 / 9 AA	27
Phosphosite 16:	MAST4	O15021	S41	PGASSAESSSGSETL	100 / 7 AA	284
Phosphosite 17:	RAD54L2	Q9Y4B4	S188	EVICLDSSSGSEDEK	85 / 7 AA	163
Phosphosite 18:	RAD54L2	Q9Y4B4	S189	VICLDSSSGSEDEKS	85 / 7 AA	163
Phosphosite 19:	C20orf19	Q2M2Z5	S296	TDLKCDSSSGSEGEI	85 / 7 AA	75
Phosphosite 20:	AFF4	Q9UHB7	S438	HSGSESSSGSDSESE	75 / 8 AA	127