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:	S543
P-Site Sequence:	AHLGNYDSGTAETPE
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	S543	AHLGNYDSGTAETPE	100 / 9 AA	284
Phosphosite 1:	MAST4	O15021	Y541	EMAHLGNYDSGTAET	100 / 7 AA	284
Phosphosite 2:	MAST4	O15021	T545	LGNYDSGTAETPETD	100 / 7 AA	284
Phosphosite 3:	Kv-beta2	Q13303	S257	IVSGKYDSGIPPYSR	62 / 8 AA	41
Phosphosite 4:	TP53BP1	Q12888	S818	EYEGDLKSGTAETEP	66 / 9 AA	214
Phosphosite 5:	ABCF3	Q9NUQ8	Y100	LSKITENYDCGTKLP	83 / 6 AA	80
Phosphosite 6:	FURIN	P09958	Y167	HPDLAGNYDPGASFD	71 / 7 AA	87
Phosphosite 7:	FosB	P53539	Y9	FQAFPGDYDSGSRCS	71 / 7 AA	36
Phosphosite 8:	FosB	P53539	S11	AFPGDYDSGSRCSSS	71 / 7 AA	36
Phosphosite 9:	RBM41	Q96IZ5	S227	SATSVGDSGTAESPS	100 / 6 AA	47
Phosphosite 10:	RBM41	Q96IZ5	T229	TSVGDSGTAESPSLL	100 / 6 AA	47
Phosphosite 11:	Kv-beta2	Q13303	Y255	CGIVSGKYDSGIPPY	71 / 7 AA	41
Phosphosite 12:	FRMD5	Q7Z6J6	Y148	LQAEIGDYDSGKHPE	71 / 7 AA	65
Phosphosite 13:	FRMD5	Q7Z6J6	S150	AEIGDYDSGKHPEGY	71 / 7 AA	65
Phosphosite 14:	KATNA1	O75449	Y22	EYALLGNYDSAMVYY	71 / 7 AA	56
Phosphosite 15:	KATNAL1	Q9BW62	Y22	EYALLGNYDSSMVYY	71 / 7 AA	55
Phosphosite 16:	TUBGCP6	Q96RT7	S847	GQGCDSGSAEQHSPA	71 / 7 AA	200
Phosphosite 17:	TUBGCP6	Q96RT7	S845	EGGQGCDSGSAEQHS	71 / 7 AA	200
Phosphosite 18:	C14orf174	Q9P1V8	S10	EVPEDYDSGPDEDGE	62 / 8 AA	77
Phosphosite 19:	KATNAL1	Q9BW62	S24	ALLGNYDSSMVYYQG	62 / 8 AA	55
Phosphosite 20:	COL21A1	Q96P44	S93	VLEIPLGSYDSGEHL	83 / 6 AA	99