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:	S1841
P-Site Sequence:	PSGDVRASVPPVLPS
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	S1841	PSGDVRASVPPVLPS	100 / 9 AA	284
Phosphosite 1:	CASKIN1	Q8WXD9	S755	GHSIKRASVPPVPGK	100 / 7 AA	150
Phosphosite 2:	CPXM2	Q8N436	S135	AREDVRESCPPLGLE	66 / 9 AA	86
Phosphosite 3:	TCP11	Q8WWU5	S7	_MPDVKESVPPKYPG	75 / 8 AA	56
Phosphosite 4:	PLTP	P55058	S483	RPADVRASTAPTPST	66 / 9 AA	55
Phosphosite 5:	ANKRD17	O75179	T2136	PPPEVRMTVPPLATS	55 / 9 AA	274
Phosphosite 6:	C9orf63	Q9NWJ4	S96	QAMDLRASSPPGLVY	75 / 8 AA	13
Phosphosite 7:	OTOP1	Q7RTM1	S52	RRGGVRASVPQKLAE	75 / 8 AA	67
Phosphosite 8:	AJAP1	Q9UKB5	S364	SHECVRASVPVYTDE	100 / 6 AA	45
Phosphosite 9:	TOP2A	P11388	S1387	EADDVKGSVPLSSSP	71 / 7 AA	174
Phosphosite 10:	GATAD2A	Q86YP4	S275	LLLAPRASVPSVQIQ	85 / 7 AA	68
Phosphosite 11:	FIG4	Q92562	S327	SYVQVRGSVPLYWSQ	71 / 7 AA	104
Phosphosite 12:	RGS12	O14924	S518	PPASLRSSVPPSKRG	71 / 7 AA	156
Phosphosite 13:	NUSAP1	Q9BXS6	T231	INKGGVRTPVPPRGR	62 / 8 AA	49
Phosphosite 14:	RGS12	O14924	S517	VPPASLRSSVPPSKR	71 / 7 AA	156
Phosphosite 15:	HNRNPUL2	Q1KMD3	T442	PVEERVRTAVPPKTI	71 / 7 AA	85
Phosphosite 16:	VBP1	P61758	S116	DNLYCKASVPPTDKM	62 / 8 AA	23
Phosphosite 17:	MAP1B	P46821	S1378	ENERASVSPMDEPVP	71 / 7 AA	271
Phosphosite 18:	WDR90	Q96KV7	S268	SSKPVRFSVSPVVQT	75 / 8 AA	187
Phosphosite 19:	C3orf54	Q96EL1	S142	PSRAPVASVPPVHHP	100 / 6 AA	31
Phosphosite 20:	DMPK	Q09013	S360	DWDGLRDSVPPFTPD	62 / 8 AA	70