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:	S916
P-Site Sequence:	HRFSKVFSSIDRITQ
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	S916	HRFSKVFSSIDRITQ	100 / 9 AA	284
Phosphosite 1:	MAST4	O15021	S917	RFSKVFSSIDRITQN	100 / 8 AA	284
Phosphosite 2:	MAST2	Q6P0Q8	S854	PRFNKVYSSMERLSL	55 / 9 AA	196
Phosphosite 3:	MAST2	Q6P0Q8	S855	RFNKVYSSMERLSLL	62 / 8 AA	196
Phosphosite 4:	TAP2	Q03519	Y446	AAEKVFSYMDRQPNL	75 / 8 AA	76
Phosphosite 5:	MAST1	Q9Y2H9	S716	PRFSKVYSSMEQLSQ	55 / 9 AA	171
Phosphosite 6:	SCYL1	Q96KG9	S359	PVVVKMFSSTDRAMR	75 / 8 AA	90
Phosphosite 7:	NUDCD1	Q96RS6	S328	LEGKLYSSIDHESST	62 / 8 AA	67
Phosphosite 8:	ANGPTL6	Q8NI99	T398	HNDKPFSTVDRDRDS	62 / 8 AA	52
Phosphosite 9:	ANGPTL6	Q8NI99	S397	WHNDKPFSTVDRDRD	62 / 8 AA	52
Phosphosite 10:	VCAN	P13611	S1212	SDITTAFSSVDRLHT	55 / 9 AA	373
Phosphosite 11:	NUDCD1	Q96RS6	Y326	QFLEGKLYSSIDHES	62 / 8 AA	67
Phosphosite 12:	MAST1	Q9Y2H9	Y715	SPRFSKVYSSMEQLS	62 / 8 AA	171
Phosphosite 13:	SSRP1	Q08945	S404	QGTQYTFSSIEREEY	71 / 7 AA	81
Phosphosite 14:	SSRP1	Q08945	S405	GTQYTFSSIEREEYG	71 / 7 AA	81
Phosphosite 15:	ZNF211	Q13398	S239	GKCSKAFSHIDTLVQ	75 / 8 AA	65
Phosphosite 16:	VWF	P04275	S1370	YTLFQIFSKIDRPEA	62 / 8 AA	309
Phosphosite 17:	INF2	Q27J81	S600	EAVEPDFSSIERLFS	83 / 6 AA	136
Phosphosite 18:	MGAT4C	Q9UBM8	S362	YEASKAYSSVDEYFW	62 / 8 AA	56
Phosphosite 19:	VCAN	P13611	S1213	DITTAFSSVDRLHTT	62 / 8 AA	373
Phosphosite 20:	OTOF	Q9HC10	S55	FRWPVASSIDRNEML	85 / 7 AA	227