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:	S954
P-Site Sequence:	LSWSSEYSEMQQLST
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	S954	LSWSSEYSEMQQLST	100 / 9 AA	284
Phosphosite 1:	VASP	P50552	S342	TPSSSDYSDLQRVKQ	55 / 9 AA	40
Phosphosite 2:	ZNF777	Q9ULD5	S433	TEGSSEFSELKQMLV	66 / 9 AA	85
Phosphosite 3:	DLG5	Q8TDM6	S1244	HRTCSDYSEMRATHG	62 / 8 AA	214
Phosphosite 4:	OSBPL3	Q9H4L5	S330	SETSSEFSKMQEDLC	66 / 9 AA	101
Phosphosite 5:	DLG5	Q8TDM6	Y1243	SHRTCSDYSEMRATH	62 / 8 AA	214
Phosphosite 6:	VASP	P50552	Y341	CTPSSSDYSDLQRVK	62 / 8 AA	40
Phosphosite 7:	VPS13D	Q5THJ4	Y1336	LATKTAEYSEMVSLF	71 / 7 AA	492
Phosphosite 8:	RNF40	O75150	S259	HRISLEYSELQDKVT	66 / 9 AA	114
Phosphosite 9:	RTN4	Q9NQC3	Y718	PAPDFSDYSEMAKVE	83 / 6 AA	130
Phosphosite 10:	VPS13D	Q5THJ4	S1337	ATKTAEYSEMVSLFE	71 / 7 AA	492
Phosphosite 11:	Putative uncharacterized protein ENSP00000334305	Q3C1V9	Y347	ESWLQSEYDEMHPRE	71 / 7 AA	85
Phosphosite 12:	AES	Q08117	S55	DKLASEKSEMQRHYV	66 / 9 AA	22
Phosphosite 13:	POLR2C	P19387	S209	EWPKSEYSELDEDES	62 / 8 AA	31
Phosphosite 14:	ANK2	Q01484	S1475	PDLLSEVSEMKQDLI	75 / 8 AA	430
Phosphosite 15:	CD33	P20138	Y358	SKDTSTEYSEVRTQ_	62 / 8 AA	40
Phosphosite 16:	CD33	P20138	S359	KDTSTEYSEVRTQ__	62 / 8 AA	40
Phosphosite 17:	C20orf152	Q96M20	S326	KTHLSEYSPMERFKE	62 / 8 AA	67
Phosphosite 18:	TBC1D16	Q8TBP0	Y462	RLQKRKEYSEIQQKR	83 / 6 AA	86
Phosphosite 19:	PRRT2	Q7Z6L0	S9	AASSSEISEMKGVEE	75 / 8 AA	35
Phosphosite 20:	RIMBP2	O15034	S766	EDEEELYSEMQLEDG	100 / 5 AA	116