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:	S45
P-Site Sequence:	SAESSSGSETLSEEG
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	S45	SAESSSGSETLSEEG	100 / 9 AA	284
Phosphosite 1:	MAST4	O15021	T47	ESSSGSETLSEEGEP	100 / 7 AA	284
Phosphosite 2:	ANKIB1	Q9P2G1	S443	QGSNTSGSDTLSFPL	66 / 9 AA	122
Phosphosite 3:	ANKIB1	Q9P2G1	T445	SNTSGSDTLSFPLLR	85 / 7 AA	122
Phosphosite 4:	NUBPL	Q8TB37	S42	RQLSGAGSETLKQRR	75 / 8 AA	34
Phosphosite 5:	LPPR4	Q7Z2D5	T717	GSEIGSETLSISSSR	100 / 6 AA	88
Phosphosite 6:	SI1	Q9P2N6	S527	LPASPSGSEDLSSVS	77 / 9 AA	96
Phosphosite 7:	LPPR4	Q7Z2D5	S715	VEGSEIGSETLSISS	100 / 6 AA	88
Phosphosite 8:	UBR5	O95071	T119	WFLSGSETLGRLAGN	100 / 6 AA	309
Phosphosite 9:	FAM129A	Q9BZQ8	T613	PGVLGSETLSNEVFQ	100 / 6 AA	103
Phosphosite 10:	FAM129A	Q9BZQ8	S611	ILPGVLGSETLSNEV	100 / 6 AA	103
Phosphosite 11:	UBR5	O95071	S117	SPWFLSGSETLGRLA	100 / 6 AA	309
Phosphosite 12:	MAST4	O15021	S43	ASSAESSSGSETLSE	100 / 7 AA	284
Phosphosite 13:	TNRC18	O15417	S2579	SSSSSSGSETEGEEE	100 / 7 AA	315
Phosphosite 14:	QRICH2	Q9H0J4	S71	WRASQAGSETLMGFS	75 / 8 AA	181
Phosphosite 15:	TNRC18	O15417	S2577	SSSSSSSSGSETEGE	100 / 7 AA	315
Phosphosite 16:	CXorf57	Q6NSI4	S574	ATESASASETLRNAN	75 / 8 AA	98
Phosphosite 17:	SYTL2	Q9HCH5	S284	SSSSSTDSETLRYNH	75 / 8 AA	105
Phosphosite 18:	Protein GPR89A	B7ZAQ6	S241	VTTSASGSENLTLIQ	66 / 9 AA
Phosphosite 19:	GPR89C	A6NKF9	S106	VTTSASGSENLTLIQ	66 / 9 AA	37
Phosphosite 20:	NFE2L1	Q14494	S530	AVGYSSDSETLDLEE	85 / 7 AA	85