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:	T438
P-Site Sequence:	KSHQGLITSRYFLEL
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	T438	KSHQGLITSRYFLEL	100 / 9 AA	284
Phosphosite 1:	MAST4	O15021	S439	SHQGLITSRYFLELQ	100 / 8 AA	284
Phosphosite 2:	MAST3	O60307	T235	KSGENLVTSRYFLEM	66 / 9 AA	143
Phosphosite 3:	MAST2	Q6P0Q8	T379	KSRSGLITSQYFYEL	87 / 8 AA	196
Phosphosite 4:	MAST2	Q6P0Q8	S380	SRSGLITSQYFYELQ	87 / 8 AA	196
Phosphosite 5:	MAST1	Q9Y2H9	T241	KSRDGLITTVYFYEL	66 / 9 AA	171
Phosphosite 6:	MAST4	O15021	Y441	QGLITSRYFLELQHK	100 / 6 AA	284
Phosphosite 7:	MAST1	Q9Y2H9	T242	SRDGLITTVYFYELQ	75 / 8 AA	171
Phosphosite 8:	NMNAT2	Q9BZQ4	S62	YGKQGLVSSRHRLIM	62 / 8 AA	34
Phosphosite 9:	MAST3	O60307	Y238	ENLVTSRYFLEMQEK	83 / 6 AA	143
Phosphosite 10:	GALNT6	Q8NCL4	T251	EERKGLITARLLGAS	55 / 9 AA	71
Phosphosite 11:	GALNT3	Q14435	T259	RERKGLITARLLGAT	55 / 9 AA	73
Phosphosite 12:	GPR1	P46091	S241	KKRSILISSRHFWTI	71 / 7 AA	41
Phosphosite 13:	TLL1	O43897	S787	SPSGLITSPNWPDKY	62 / 8 AA	115
Phosphosite 14:	TLL1	O43897	T786	HSPSGLITSPNWPDK	62 / 8 AA	115
Phosphosite 15:	CYP2R1	Q6VVX0	S127	KMGGLLNSRYGRGWV	71 / 7 AA	57
Phosphosite 16:	MAST2	Q6P0Q8	Y382	SGLITSQYFYELQDN	83 / 6 AA	196
Phosphosite 17:	CDKL5	O76039	T513	AQIAEPSTSRYFPSS	100 / 5 AA	116
Phosphosite 18:	ARPM1	Q9BYD9	S77	VERGLITSWEDMEIM	83 / 6 AA	41
Phosphosite 19:	CDKL5	O76039	S514	QIAEPSTSRYFPSSC	100 / 5 AA	116
Phosphosite 20:	Nav3	Q8IVL0	Y2042	PKPITQRYFNLLMEH	83 / 6 AA	256