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:	S1739
P-Site Sequence:	QQEPPPASESRAFVS
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	S1739	QQEPPPASESRAFVS	100 / 9 AA	284
Phosphosite 1:	RIN2	Q8WYP3	S415	CTRAPPPSSESRPPC	87 / 8 AA	100
Phosphosite 2:	RIN2	Q8WYP3	S416	TRAPPPSSESRPPCH	87 / 8 AA	100
Phosphosite 3:	MAST4	O15021	S1741	EPPPASESRAFVSST	100 / 7 AA	284
Phosphosite 4:	KCNJ9	Q92806	S389	GCLPPPESESKV___	66 / 9 AA	44
Phosphosite 5:	PNMAL2	Q9ULN7	S133	EAPTPPASETQAQDS	75 / 8 AA	69
Phosphosite 6:	C15orf37	Q8NBB2	S6	__MPRPASESWSPIQ	66 / 9 AA	14
Phosphosite 7:	TOPORS	Q9NS56	S25	APPPAPASEGRRRSR	75 / 8 AA	119
Phosphosite 8:	SYTL3	Q4VX76	S162	PPTPPPVSESQCSRS	75 / 8 AA	69
Phosphosite 9:	DUSP8	Q13202	S337	PRLPPPTSESAATGN	77 / 9 AA	66
Phosphosite 10:	ubiquilin 2	Q9UHD9	T326	PWAPPPATQSSATTS	66 / 9 AA	66
Phosphosite 11:	KHS1	Q9Y4K4	S421	TIKHCPDSESRAPQI	85 / 7 AA	95
Phosphosite 12:	CTAGE5	O15320	S776	FFPPPPHSEGRSEFP	66 / 9 AA	91
Phosphosite 13:	FAM101A	Q6ZTI6	S80	QLPNPPASEMRPRML	85 / 7 AA	24
Phosphosite 14:	KHS1	Q9Y4K4	S423	KHCPDSESRAPQILR	85 / 7 AA	95
Phosphosite 15:	DUSP8	Q13202	T336	LPRLPPPTSESAATG	85 / 7 AA	66
Phosphosite 16:	TAF6L	Q9Y6J9	S519	SASGPAASESRPLPR	85 / 7 AA	68
Phosphosite 17:	MAGI2	Q86UL8	S1345	PEAGRPASEARAPGL	85 / 7 AA	159
Phosphosite 18:	FLCN	Q8NFG4	S575	TVRSPTASESRN___	85 / 7 AA	64
Phosphosite 19:	TMC2	Q8TDI7	S842	ETTPPSASQSQAMDK	66 / 9 AA	103
Phosphosite 20:	DTL	Q9NZJ0	S520	PPITPPASETKIMSP	71 / 7 AA	79