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:	Y321
P-Site Sequence:	EKLHQLPYQPTPDEL
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	Y321	EKLHQLPYQPTPDEL	100 / 9 AA	284
Phosphosite 1:	MAST1	Q9Y2H9	Y123	ERLHQLPYQPTVDEL	100 / 8 AA	171
Phosphosite 2:	GluR-delta2	O43424	Y987	KTMSSIPYQPTPTLG	85 / 7 AA	113
Phosphosite 3:	ZNF193	O15535	Y60	RHFRQLCYQETPGPR	66 / 9 AA	46
Phosphosite 4:	EPS8L3	Q8TE67	Y384	TGDEPLPYQPTFSDD	100 / 6 AA	67
Phosphosite 5:	MAST4	O15021	T324	HQLPYQPTPDELHFL	100 / 6 AA	284
Phosphosite 6:	GluR-delta2	O43424	T990	SSIPYQPTPTLGLNL	100 / 6 AA	113
Phosphosite 7:	ISLR	O14498	S237	SAPSVQLSYQPSQDG	71 / 7 AA	46
Phosphosite 8:	SAPAP3	O95886	Y141	DGFHTLPYQRGPAGA	66 / 9 AA	106
Phosphosite 9:	HERC6	Q8IVU3	S271	RSGQLGYSPTPEKRG	75 / 8 AA	115
Phosphosite 10:	NCOA3	Q9Y6Q9	Y1311	APPQQFPYQPNYGMG	62 / 8 AA	155
Phosphosite 11:	IQGAP3	Q86VI3	Y93	YDVEQLRYQATGLHF	71 / 7 AA	185
Phosphosite 12:	PDGFRB	P09619	Y589	VDPMQLPYDSTWELP	71 / 7 AA	124
Phosphosite 13:	MRPL18	Q9H0U6	Y146	AGINFMVYQPTPWEA	71 / 7 AA	21
Phosphosite 14:	ZNF645	Q8N7E2	Y298	PVNHQMPYPPQDVVT	71 / 7 AA	49
Phosphosite 15:	MAST3	O60307	T121	HQLPFQPTPDELHFL	83 / 6 AA	143
Phosphosite 16:	Telethonin	O15273	Y85	LQEYQLPYQRVLPLP	62 / 8 AA	17
Phosphosite 17:	TULP3	O75386	Y337	LNHKQIPYQPQNNHD	83 / 6 AA	50
Phosphosite 18:	FOXC2	Q99958	S483	SCQLPYRSTPPLYRH	71 / 7 AA	54
Phosphosite 19:	PCBP1	Q15365	Y183	GRVMTIPYQPMPASS	71 / 7 AA	37
Phosphosite 20:	PSEN2	P49810	Y319	QGALQLPYDPEMEED	83 / 6 AA	50